Test
4551
Este test tiene tipos de pregunta que se abren en el reproductor de siempre.
Preguntas del test (200)
1You are the network administrator for your company and have configured Cisco Discovery Protocol (CDP) in
your network. You recently noticed that when devices send large numbers of CDP neighbor announcements,
some devices are crashing. You decide to disable CDP on the router.
Which command should you use to achieve the objective?
Which command should you use to achieve the objective?- Ano cdp run
- Bset cdp disable
- Cno cdp enable
- Dno cdp advertise-v2
2Which is NOT a valid range for private IP addresses?
- A10.0.0.0 - 10.255.255.255
- B172.16.0.0 - 172.31.255.255
- C192.168.0.0 - 192.168.255.255
- D192.255.255.255-193.0.0.0
3Which of the following protocols allow the root switch location to be optimized per VLAN? (Choose all that
apply.)- APVST+
- BRSTP
- CPVRST
- DSTP
4When testing the configuration, you find that Host A in the diagram cannot ping Host B.
Which of the following pairs of connections are required to be in the same subnet for Host A to be able to ping
Host B? (Choose all that apply.)
- AThe IP address of Host A and the IP address of the Fa0/0 interface of Router A
- BThe IP address of the Fa0/0 interface of Router A and the IP address of the Fa0/0 interface of Router B
- CThe IP address of Host A and the IP address of the Fa0/0 interface of Router B
- DThe IP address of Host A and the IP address of Switch A
- EThe IP address of the S 0/0 interface of Router A and the IP address of the S 0/0 interface of Router B
- FThe IP address of Host A and the IP address of Host B
- GThe IP address of Host B and the IP address of the Fa0/0 interface of Router B
5Which two fields are present in the output of the show ip interface brief command? (Choose two.)
- AYES?
- BHelper address
- COK?
- DMethod
- EProxy ARP
6Which two modes are Cisco Internetwork Operating System (IOS) operating modes? (Choose two.)
- AUser Privileged mode
- BUser EXEC mode
- CLocal configuration mode
- DGlobal configuration mode
- ENVRAM monitor mode
7Which of the following accurately describes the purpose of a trunk?
- AA trunk is used to carry traffic for a single VLAN and is typically used between switches.
- BA trunk is used to carry traffic for a single VLAN and is typically used between a switch and an end-user
device. - CA trunk is used to carry multiple VLANs and is typically used between switches.
- DA trunk is used to carry multiple VLANs and is typically used between a switch and a server.
8Which Ethernet LAN contention or access method listens for a signal on the channel before transmitting data,
and stops transmitting if a collision is detected?- ACSMA/CA
- BCSMA/CD
- CCSMA/CB
- DCSMA/CS
9What will be the effects of executing the following set of commands? (Choose all that apply.)
router(config)# router eigrp 44
router (config-router)# network 10.0.0.0
router (config-router)# network 192.168.5.0- AEIGRP will be enabled in AS 44
- BEIGRP instance number 44 will be enabled
- CEIGRP will be activated on the router interface 10.0.0.2/8
- DEIGRP will be activated on the router interface 192.168.5.9/24
- EEIGRP will be activated on the router interface 10.0.5.8/16
- FEIGRP will be activated on the router interface 192.168.6.1/24
10Users on the LAN are unable to access the Internet. How would you correct the immediate problem?
Router# show ip interface brief
Interface IP-Address OK? Method Status Protocol
FastEthernet 0/0 unassigned YES unset down down
FastEthernet 0/1 172.16.1.254 YES NVRAM up up
Serial0/0 200.16.4.25 YES NVRAM administratively down down
Serial0/1 unassigned YES unset down down
- AConfigure a bandwidth on the serial interface.
- BPerform a no shutdown command on the serial interface.
- CConfigure a private IP address on the Fastethernet0/0 LAN interface.
- DChange the IP address on the serial interface.
11When a packet is forwarded through a network from one host to another host, which of the following fields in
the Ethernet frame will change at every hop?- ASource IP address
- BDestination MAC address
- CSource port number
- DDestination IP address
12Which Cisco IOS Cisco Discovery Protocol (CDP) command displays the IP address of the directly connected
Cisco devices?- Ashow cdp
- Bshow cdp devices
- Cshow cdp traffic
- Dshow cdp neighbors detail
13Your assistant is interested in gathering statistics about connection-oriented operations.
Which of the following should be done to enhance the accuracy of the information gathered?- Aconfigure an IP SLA responder on the destination device
- Bconfigure an IP SLA responder on the source device
- Cschedule the operation on the destination device
- Dadd the verify-data command to the configuration of the operation
14You are the network administrator for your company. You have installed a new router in your network. You
want to establish a remote connection from your computer to the new router so it can be configured. You are
not concerned about security during the remote connection.
Which Cisco IOS command should you use to accomplish the task?- Assh
- Btelnet
- Cterminal
- Dvirtual
15You are configuring a WAN connection between two offices. You cannot ping between the routers in a test.
The Serial0 interface on RouterA is connected to the Serial1 interface on RouterB.
The commands you have executed are shown below. What is the problem with the configuration?
- AThe passwords are incorrectly configured
- BThe usernames are incorrectly configured
- CThe wrong interface has been configured
- DThe encapsulation is incorrect on RouterA
- EThe encapsulation is incorrect on RouterB
- FThe authentication types do not match
16Which Cisco 2950 switch command or set of commands would be used to create a Virtual LAN (VLAN) named
MARKETING with a VLAN number of 25?- Aswitch(config)# vtp domain MARKETING 25
- Bswitch(config)# vlan 25
switch(config-vlan)# name MARKETING - Cswitch(config-if)# vlan 25 name MARKETING
- Dswitch(config)# vtp 25
switch(config-vtp)# name MARKETING
17What command would be used to verify trusted DHCP ports?
- Ashow mls qos
- Bshow ip dhcp snooping
- Cshow ip trust
- Dshow ip arp trust
18R1 and R2 are connected as shown in the diagram and are configured as shown in output in the partial output
of the show run command.
- AR1(config)#int S1
R1(config-if)#no ip address 192.168.5.5
R1(config-if)# ip address 192.168.5.9 255.255.255.252 - BR1(config)#no ip host R1
R1(config)# ip host R2 192.168.5.6 255.255.255.252 - CR1(config)#no hostname R2
R1(config)# hostname R1 - DR2(config)#int S1
R1(config-if)#no ip address 192.168.5.5
R1(config-if)# ip address 192.168.5.9 255.255.255.0
- AR1(config)#int S1
19You network team is exploring the use of switch stacking.
Which of the following statements is NOT true of switch stacking?- AThe master switch is the only switch with full access to the interconnect bandwidth
- BSwitches are connected with special cable
- CThe stack has a single IP address
- DUp to nine switches can be added to the stack
20RouterA and RouterB, which connect two locations, are unable to communicate. You run the show runningconfiguration command on both router interfaces, RouterA and RouterB. The following is a partial output:
Based on the information given in the output, what are two likely causes of the problem? (Choose two.)
- AThe IP address defined is incorrect.
- BBoth routers cannot have a clock rate defined.
- CBoth routers cannot have an identical clock rate.
- DThe Layer 2 framing is misconfigured.
- EAt least one of the routers must have the ip mroute-cache command enabled.
21Which of the following should be a characteristic of the core layer in the Cisco three-layer hierarchical model?
- Aredundant components
- Bemphasis on high speed
- CPoE
- DQoS
22Which of the following commands will set the line speed of a serial connection that connects to a Channel
Service Unit /Digital Service Unit (CSU/DSU) at 56 Kbps?- Aservice-module 56000 clock rate speed
- Bservice-module 56k clock rate speed
- Cbandwidth 56k
- Dbandwidth 56000
23You are discovering that there are differences between the configuration of EIGRP for IPv6 and EIGRP for
IPv4. Which statement is true with regard to the difference?- AA router ID is required for both versions
- BA router ID must be configured under the routing process for EIGRP for IPv4
- CAS numbers are not required in EIGRP for IPv6
- DAS numbers are not required in EIGRP for IPv4
24Which of the following techniques is NOT used by distance vector protocols to stop routing loops in a network?
- ASplit horizon
- BSpanning Tree Protocol (STP)
- CHolddowns
- DRoute poisoning
25You are creating a configuration to use on a switch. The configuration must enable you to remotely manage the switch.
Which of the following command sets is correct? (Assume the commands are executed at the correct prompt.)- Ainterface vlan 1
ip address 192.168.20.244 255.255.255.240
no shutdown
exit
ip default-gateway 192.168.20.241
line vty 0 15
password cisco
login
exit - Binterface fastethernet 0/1
ip address 192.168.20.244 255.255.255.240
no shutdown
exit
ip default-gateway 192.168.20.241
line vty 0 15
password cisco
login
exit - Cinterface vlan 1
ip address 192.168.20.244 255.255.255.240
no shutdown
exit
ip route 192.168.20.241
line vty 0 15
login
exit - Dinterface vlan 1
ip address 192.168.20.244 255.255.255.240
no shutdown
exit
ip default-gateway 192.168.20.241
line con 0 15
password cisco
login
exit - Einterface vlan 1
ip address 192.168.20.244 255.255.255.240
no shutdown
exit
ip default-gateway 192.168.20.27
line vty 0 15
password cisco
login
exit - Finterface vlan 1
ip address 192.168.20.244 255.255.255.240
shutdown
exit
ip default-gateway 192.168.20.241
line vty 0 15
password cisco
login
exit
- Ainterface vlan 1
26What command should you use to quickly view the HSRP state of the switch for all HSRP groups of which the
switch is a member?- Aswitch# show standby brief
- Bswitch# show ip interface brief
- Cswitch# show hsrp
- Dswitch# show standby
27When packets are transmitted from one host to another across a routed segment, which two addresses are
changed? (Choose two.)- Asource IP address
- Bsource MAC address
- Cdestination IP address
- Ddestination MAC address
28You are connecting a new computer to Switch55. The new computer should be placed in the Accounting
VLAN. You execute the show vlan command and get the following output:
What action should you take to place the new computer in the Accounting VLAN and allow for inter-VLAN
routing?
- AConnect the new computer to Fa0/1
- BConnect the new computer to Fa0/14
- CConnect the new computer to Fa0/5
- DConfigure a dynamic routing protocol on the router interface
29What two devices can be connected to a router WAN serial interface that can provide clocking? (Choose two.)
- ACSU/DSU
- Bswitch
- Cmodem
- Dhub
30You are a network administrator for your organization. Your organization has two Virtual LANs, named
Marketing and Production. All Cisco 2950 switches in the network have both VLANs configured on them.
Switches A, C, F, and G have user machines connected for both VLANs, whereas switches B, D, and E have
user machines connected for the Production VLAN only. (Click the Exhibit(s) button to view the network
diagram.)
You receive a request to configure Fast Ethernet port 0/2 on Switch B for a user computer in the Marketing
VLAN. VLAN numbers for the Marketing and Production VLANs are 15 and 20, respectively.
Which Cisco 2950 switch command should you use to configure the port?- ASwitchB(config-if)#switchport trunk vlan 15
- BSwitchB(config)#switchport access vlan 15
- CSwitchB(config-if)#switchport access vlan 15
- DSwitchB(config-if)#switchport trunk vlan 15, 20
31Which Cisco Internetwork Operating System (IOS) command is used to view the number of Enhanced Interior
Gateway Routing Protocol (EIGRP) packets that are sent and received?- Ashow eigrp neighbors
- Bshow ip eigrp interfaces
- Cshow ip eigrp packets
- Dshow ip eigrp traffic
- Eshow ip route
- Fshow ip eigrp topology
32You are configuring a PPP connection between two routers, R1 and R2. The password for the connection will
be poppycock. When you are finished you execute the show run command on R1 to verify the configuration.
Which of the following examples of partial output of the show run command from R1 represents a correct
configuration of PPP on R1?- Aenable password griswald
hostname R1
username R1 password poppycock
interface serial 0/0
ip address 192.168.5.5 255.255.255.0
encapsulation ppp
ppp authentication chap - Benable password griswald
hostname R1
username R1 password poppycok
interface serial 0/1
ip address 192.168.5.5 255.255.255.0
encapsulation ppp
ppp authentication chap - Cenable password griswald
hostname R1
username R2 password poppycock
interface serial 0/0
ip address 192.168.5.5 255.255.255.0
encapsulation ppp
ppp authentication chap - Denable password griswald
hostname R1
username R1 password griswald
interface serial 0/0
ip address 192.168.5.5 255.255.255.0
encapsulation ppp
ppp authentication chap
- Aenable password griswald
33Which statement is NOT true regarding Internet Control Message Protocol (ICMP)?
- AICMP can identify network problems.
- BICMP is documented in RFC 792.
- CICMP provides reliable transmission of data in an Internet Protocol (IP) environment.
- DAn ICMP echo-request message is generated by the ping command.
34What is the valid host address range for the subnet 172.25.4.0 /23?
- A172.25.4.1 to 172.25.5.254
- B172.25.4.10 to 172.25.5.210
- C172.25.4.35 to 172.25.5.64
- D172.25.4.21 to 172.25.5.56
35Which of the following are port roles in the Rapid Spanning Tree Protocol (RSTP)? (Choose three.)
- AAlternate
- BListening
- CRouting
- DDesignated
- EBackup
- FBlocking
- GDiscarding
36Which of the following cables would be used to connect a router to a switch?
- Av.35
- Bcrossover
- Crollover
- Dstraight-through
37In the diagram below, if the workstation at 10.0.1.3 sends a packet to the workstation at 10.1.1.3, what will be
the source physical address when the packet arrives at 10.1.1.3?
- Aab.ab.ab.ab.ab.ab
- Bee.ee.ee.ee.ee.ee
- Cdd.dd.dd.dd.dd.dd
- Dcc.cc.cc.cc.cc.cc
- Eaa.aa.aa.aa.aa.aa
- Fbb.bb.bb.bb.bb.bb
38What command was used to generate the output shown below?
- Awinipcfg
- Bipconfig
- Cifconfig
- Dipconfig/all
39Which two security features can be configured to prevent unauthorized access into the network through a
networking device? (Choose two.)- AAnti-Replay
- BTraffic filtering
- CAuthentication
- DIPSec network security
40Which Cisco IOS command is used on a Cisco Catalyst 6500 series switch to view the spanning-tree protocol
(STP) information for a virtual LAN (VLAN)?- Ashow spanning tree
- Bshow spanning-tree vlan
- Cshow spantree
- Dshow spantree vlan
41Which Enhanced Interior Gateway Routing Protocol (EIGRP) packet type is used for neighbor discovery?
- AHello
- BUpdate
- CQueries
- DReplies
42Which layer in the Open Systems Interconnection (OSI) model enables coding and conversion functions for
application layer data?- APresentation layer
- BSession layer
- CApplication layer
- DPhysical layer
43Which of these applications uses the IMAP protocol to transfer information between a server and a host?
- AE-mail
- BFTP
- CWeb browser
- DTelnet
44Below is the output of the show ip route command from one of your routers:
What does the value 110 represent in the output?
- AOSPF administrative distance
- BEIGRP administrative distance
- COSPF cost
- DEIGRP cost
45With the following equipment list, which of the following network scenarios could be supported?
Two IP subnets of 255.255.255.0
Seven 48-port switches
Two router interfaces- A300 workstations in a single broadcast domain, each workstation in its own collision domain
- B300 workstations, with 150 workstations in two broadcast domains and each workstation in its own collision domain
- C300 workstations, with 150 workstations in two broadcast domains and all workstations in the same collision domain
- D600 workstations, with 300 workstations in two broadcast domains and each workstation in its own collision domain
46Which of the following is NOT a true statement regarding Virtual Private Networks (VPNs)?
- AA VPN is a method of securing private data over public networks
- BIPsec is a method for providing security over VPN
- CFrame Relay is a Layer 3 VPN technology
- DIPsec provides packet-level encryption
- EA Cisco VPN solution provides increased security, reduced cost, and scalability
47Which of the following IPV6 commands is used to define a static host name-to-address mapping in the host
name cache?- Aipv6 host
- Bipv6 unicast routing
- Cipv6 neighbor
- Dipv6 local
48Which two statements are TRUE of synchronous serial ports? (Choose two.)
- AThese ports can be used to provide leased-line or dial-up communications.
- BThese ports do not support the High-Level Data Link Control (HDLC) encapsulation method.
- CAn AUI connector is used with serial ports.
- DThese ports can be used to configure high-speed lines (E1 or T1).
- EAn RJ-45 connector is used with serial ports.
49Refer to the following sample output:
Which Cisco Internetwork Operating System (IOS) command produces this output?
- Ashow interfaces
- Bshow interfaces summary
- Cshow interfaces serial fast-ethernet
- Dshow interfaces fast-ethernet 0/0
50Which of the following is NOT a VLAN Trunking Protocol (VTP) mode of operation?
- Aclient
- Bserver
- Cvirtual
- Dtransparent
51A host is powered up, but the connected switch port does not turn amber or green.
Which of the following methods would you use to troubleshoot the situation? (Choose three. Each answer is a
complete solution.)- AEnsure the switch is powered up.
- BReinstall Windows on the workstation.
- CReseat the cable.
- DEnsure that the cable is straight-through.
- EEnsure that the cable is crossover.
52Which of the following commands will enable a global IPv6 address based on the Modified EUI-64 format
interface ID?- Aipv6 address 5000::2222:1/64
- Bipv6 address autoconfig
- Cipv6 address 2001:db8:2222:7272::72/64 link-local
- Dipv6 enable
53Which of the following commands is used to verify the link-local, global unicast, and multicast addresses of an
IPv6 router?- Ashow ipv6 neighbors (only link-local addresses)
- Bshow ipv6 route
- Cshow ipv6 protocols
- Dshow ipv6 interface
54Which type of Category 5 unshielded twisted-pair (UTP) cable is used to work as a trunk between two
switches?- ARJ-45 straight-through
- BRJ-41 crossover
- CRJ-11 straight-through
- DRJ-45 crossover
55A router is running a classful routing protocol. Which command will enable this router to select a default route
when routing to an unknown subnet of a network for which it knows the major network?- Aip classless
- Bno ip classless
- Cauto-summary
- Dno auto-summary
56Which Cisco IOS command is used to configure encapsulation for a PPP serial link on a Cisco router?
- Aencapsulation ppp
- Bencapsulation ip ppp
- Cip encapsulation ppp
- Dencapsulation ppp-synch
57A user in your network is having trouble accessing resources and the Internet. You decide to examine the
partial output of the ipconfig/all command on his machine. The output is shown below:
Which of the following statements describes the user's problem?
- AThe default gateway address is incorrect
- BThe IP address of the device is incorrect
- CThere is no DNS server configured
- DIP routing is not enabled
58Which of the following commands would instruct OSPF to advertise ONLY the 192.168.10.0/24 network in
Area 0?- ARouter(config)# router ospf 1
Router(config-router)# network 192.168.10.0 0.0.0.255 area 0 - BRouter(config)# router ospf 1
Router(config-router)# network 192.168.11.0 0.0.0.255 area 0 - CRouter(config)# router ospf 1
Router(config-router)# network 192.168.10.0 255.255.255.0 area 0 - DRouter(config)# router ospf 1
Router(config-router)# network 192.168.10.0 0.0.255.255 area 0
- ARouter(config)# router ospf 1
59You are the network administrator for your company. You have a Class B address range and are planning for a network that allows 150 hosts per subnet and at least 164 subnets.
Which subnet mask should you use to accomplish the task?- A255.255.192.0
- B255.255.255.192
- C255.255.255.0
- D255.255.255.252
60When the copy running-config startup-config command is issued on a router, where is the configuration saved?
- ARandom access memory (RAM)
- BFlash
- CNon-volatile random access memory (NVRAM)
- DRead-only memory (ROM)
61In the network exhibit, the routers are running OSPF and are set to the default configurations. (Click the Exhibit(s) button.)
What would be the effect of configuring a loopback interface on RouterA with an address of 192.168.1.50/24?
- ARouter B would become the DR
- BRouter A would become the DR
- CRouter C would become the DR
- DRouter A would become the BDR
62Which of the following NAT terms refers to a registered address that represents an inside host to an outside
network?- Ainside global
- Boutside global
- Cinside local
- Doutside local
63Which commands would you use to determine the IP address and hostname of a directly connected switch
from which you received VLAN information? (Choose two. Each correct answer is part of the solution.)- Ashow vtp status
- Bshow cdp neighbors detail
- Cshow cdp neighbor status
- Dshow vtp counters
- Eshow cdp neighbor
64Which command produced the following output?
- Ashow ip ospf database
- Bshow ip ospf statistics
- Cshow ip ospf
- Dshow ip ospf traffic
65Which Cisco command keeps unauthorized users from viewing passwords in the router configuration file?
- Aenable secret
- Benable password
- Cenable encryption
- Dservice encryption
- Eservice password-encryption
66Which of the following statements are TRUE regarding carrier sense multiple access collision detection
(CSMA/CD)? (Choose three.)- ANetworks are segmented into multiple collision domains using switches for CSMA/CD networks.
- BNetworks are segmented into multiple broadcast domains using switches for CSMA/CD networks.
- CCSMA/CD networks normally operate on half-duplex mode.
- DCSMA/CD networks normally operate on full-duplex mode.
- EGigabit Ethernet uses CSMA/CD as the media access control method.
- FGigabit Ethernet uses carrier sense multiple access with collision avoidance (CSMA/CA) as the media
access control method.
67You are the Cisco administrator for NationalAct Incorporated. One of your assistants is preparing to introduce a new switch to the network. Before doing so, you execute the show vtp status command on OldSwitch and NewSwitch, respectively, and receive the following output:
If NewSwitch is introduced to the network, which of the following will be true?
- ANewSwitch will delete its current VTP data.
- BThere will be 10 VLANs in the network.
- COldSwitch will retain its current VTP data.
- DThere will be 24 VLANs in the network.
68Which of the following is a frame tagging method for identifying Virtual LAN (VLAN) memberships over trunk
links?- ASTP
- BRIP
- CCDP
- D802.1q
69A packet is received with a destination IP address of 10.2.16.10.
What would the next hop IP address be for this packet?
- A192.168.1.10
- B192.168.4.2
- C192.168.10.254
- DNone; the packet will be dropped.
70Which cable can suffer attenuation if it is bent beyond the minimum bend radius?
- AUTP
- BSTP
- CCo-axial
- DFiber optic
71Which type of network connection requires a straight-through cable?
- Ahost to host
- Bswitch to router
- Cswitch to switch
- Dhost to router's Ethernet port
72What command would you run to determine which switch is the root bridge for a particular VLAN?
- Ashow spantree vlan
- Bshow spanning tree
- Cshow vlan spantree
- Dshow spanning-tree vlan
- Eshow spanning-tree interface
73Which of the following statements describes split horizon?
- AThe router learns from its neighbor that a route has gone down, and the router sends an update back to the neighbor with an infinite metric to that route.
- BFor a period of time, the router will ignore any route advertisements with a lower metric to a downed route.
- CA router will not send route information back out the same interface over which it was learned.
- DThe moment a router determines a route has gone down, it will immediately send a route update with an infinite metric to that route.
- EThe packets are flooded when a topology change occurs, causing network routers to update their topological databases and recalculate routes.
74Which of the following loop avoidance mechanisms drives the requirement to create subinterfaces for each
point-to-point connection in a partially meshed frame relay network?- Asplit horizon
- Bpoison reverse
- Cmaximum hop count
- Dfeasible successor
75How is load balancing achieved when implementing HSRP?
- ABy configuring multiple gateways on the routers
- BBy using multiple HSRP groups
- CBy configuring the same priority on all HSRP group members
- DBy configuring multiple virtual router addresses
76Which Cisco IOS command would produce the preceding menu-based prompt for additional information?
- Atracert 10.10.10.1
- Btraceroute 12.1.10.2
- Cping 10.10.10.1
- Dping
77On a Cisco 2950 switch, which status LED and color combination indicates a Power On Self-Test (POST)
failure?- Asystem LED: no color
- Bsystem LED: solid red
- Csystem LED: solid amber
- Dstat LED: no color
- Estat LED: green
78Which settings represent the proper BITs per second, data bits, and parity settings for a HyperTerminal
session to the router?- A19200,8,none
- B9600,8,none
- C9600,8, even
- D19200,8,even
79Which command would be used to establish static translation between an inside local address 192.168.144.25 and an inside global address 202.56.63.102?
- Arouter(config)#ip nat inside source static 192.168.144.25 202.56.63.102
- Brouter(config)#ip source nat inside static local-ip 192.168.144.25 global-ip 202.56.63.102
- Crouter(config)#ip nat static inside source 192.168.144.25 202.56.63.102
- Drouter(config)#ip nat inside static source 192.168.144.25 202.56.63.102
80Which WAN switching technology is used by Asynchronous Transfer Mode (ATM)?
- Acell-switching
- Bvirtual switching
- Ccircuit-switching
- Dpacket switching
81You are configuring a serial link between a Cisco router and a router produced by another vendor.
What would be the advantages of using Point to Point Protocol (PPP) over High Level Data Link Control
(HDLC) in this scenario?- AHDLC has a proprietary "type" field that may be incompatible with equipment from other vendors.
- BHDLC is not available on non-Cisco routers.
- CPPP is faster.
- DPPP performs error checking.
82You would like for Router25 in your OSPF network to become the DR. You execute the show ip ospf interface command, receiving the output shown below.
You assign an IP address of 192.168.5.6 to the Ethernet1 interface of Router25 and enable the interface.
However, Router25 does NOT become the designated router.
What additional command must you execute to cause Router25 to become the DR?
- ARouter25(config-router)# network 192.168.5.0 0.0.0.255 area 0
- BRouter25(config-router)# network 192.168.5.0 0.0.0.255 area 1
- CRouter25(config-router)# network 192.168.5.0 255.255.255.0 area 0
- DRouter25(config)# network 192.168.5.0 0.0.0.255 area 0
83On Cisco switches, what is the correct order of port transition through the Spanning Tree Protocol (STP)
states?- Alearning, listening, blocking, forwarding
- Blistening, blocking, forwarding, learning
- Cblocking, learning, forwarding, listening
- Dblocking, listening, learning, forwarding
84Examine the diagram below and assume that routing is configured properly.
Why is Host A unable to ping Host B?
- AThe IP address of Switch A is incorrect
- BThe gateway address of Host B is incorrect
- CThe IP address of Host A is incorrect
- DThe Fa0/2 and Fa0/1 interfaces on R1 and R2 are not in the same subnet
85R1 and R2 are connected as shown in the diagram and are configured as shown in output in the partial output of the show run command.
The command ping R2 fails when executed from R1. What command(s) would allow R1 to ping R2 by name?
- AR1(config)#int S1
R1(config-if)#no ip address 192.168.5.5
R1(config-if)# ip address 192.168.5.9 255.255.255.252 - BR1(config)#no ip host R1
R1(config)# ip host R2 192.168.5.6 255.255.255.252 - CR1(config)#no hostname R2
R1(config)# hostname R1 - DR2(config)#int S1
R1(config-if)#no ip address 192.168.5.5
R1(config-if)# ip address 192.168.5.9 255.255.255.0
- AR1(config)#int S1
86You are attempting to add an IP address to an interface on a router with which you are unfamiliar. You type the
following command and receive the following error:
Router78(config)#interfce Serial0
^
%invalid input detected at '^' marker.
Which of the following could be a reason for receiving this message?- Athe command syntax is incorrect
- Bthe interface type does not exist on this router
- Cthe command is entered at the wrong prompt
- Dthe interface is configured already
87Which three statements are TRUE regarding Network Address Translation (NAT)? (Choose three.)
- AIt connects different Internet Service Providers (ISPs).
- BIt can act as an address translator between the Internet and a local network.
- CIt conserves IP addresses.
- DIt creates additional IP addresses for the local network.
- EIt helps the local network connect to the Internet using unregistered IP addresses.
88What is the default sequence in which a router searches for the Internetwork Operating System (IOS) image
upon power on?- ATFTP, Flash, ROM
- BROM, Flash, TFTP
- CFlash, TFTP, ROM
- DFlash, TFTP, NVRAM
- ENVRAM, Flash, TFTP
89Which switch port will be in a blocking state? (Click the Exhibit(s) button to view the switch port diagram.)
- ASwitchA Fa0/1
- BSwitchA Fa0/2
- CSwitchB Fa0/1
- DSwitchB Fa0/2
90Which type of IP address is a registered IP address assigned by the Internet Service Provider (ISP), and
represents one or more inside local IP addresses externally?- AInside local address
- BOutside local address
- CInside global address
- DOutside global address
91Which of the following is NOT true of the Cisco APIC-EM?
- AIt can verify the operation of access lists
- BIt provides network topology visualization
- CIt can perform identity tracking
- DIt is appropriate for the datacenter environment
92You are the switch administrator for InterConn. The network is physically wired as shown in the diagram. You are planning the configuration of STP. The majority of network traffic runs between the hosts and servers within each VLAN.
You would like to designate the root bridges for VLANS 10 and 20. Which switches should you designate as
the root bridges?
- ASwitch A for VLAN 10 and Switch E for VLAN 20
- BSwitch A for VLAN 10 and Switch B for VLAN 20
- CSwitch A for VLAN 10 and Switch C for VLAN 20
- DSwitch D for VLAN 10 and Switch B for VLAN 20
- ESwitch E for VLAN 10 and Switch A for VLAN 20
- FSwitch B for VLAN 10 and Switch E for VLAN 20
93Which of the following statements are true with regard to the network shown in the exhibit? (Click the Exhibit(s)
button.)
- Athere is one broadcast domain and one collision domain
- Bthere is one broadcast domain and four collision domains
- Cthere are two broadcast domains and two collision domains
- Dthere are two broadcast domains and four collision domains
- Ethe hosts in VLAN1 could use IP addresses 192.168.5.4/24 and 192.168.5.5/24 and the hosts in VLAN2
could use IP addresses 192.168.6.1/24 and 192.168.6.2/24 - Fthe hosts in VLAN2 could use IP addresses 192.168.5.5/24 and 192.168.6.5/24
94Which command was used to create the following configuration?
- ARouter(config-router)# network 192.168.1.0 0.0.0.15
- BRouter(config-router)# network 192.168.1.0 255.255.255.0
- CRouter(config-router)# network 192.168.1.80
Router(config-router)# network 192.168.1.128 - DRouter(config-router)# network 192.168.1.0
95Which of the following represents the correct method of assigning an IP address and default gateway to a
switch?- ASwitch(config)# interface vlan1
Switch(config-if)# ip address 10.0.0.1 255.0.0.0
Switch(config-if)# default-gateway 10.0.0.254 - BSwitch(config)# ip default-gateway 10.0.0.254
Switch(config)# interface vlan1
Switch(config-if)# ip address 10.0.0.1 255.0.0.0 - CSwitch(config)# ip address 10.0.0.1 255.0.0.0
Switch(config)# default-gateway 10.0.0.254 - DSwitch(config)# ip address 10.0.0.1 255.0.0.0
Switch(config)# interface vlan1
Switch(config)# ip default-gateway 10.0.0.254
- ASwitch(config)# interface vlan1
96Which statement best describes a converged network?
- Aa network with real-time applications
- Ba network with a mix of voice, video, and data traffic
- Ca network with a mix of voice and video traffic
- Da network with mix of data and video traffic
97What is the purpose of frame tagging in Virtual LAN (VLAN) configurations?
- Ainter-VLAN routing
- Bencryption of network packets
- Cframe identification over trunk links
- Dframe identification over access links
98The output of the show ip route command is given:
Router# show ip route
Gateway of last resort is 10.119.254.240 to network 10.140.0.0
O 172.16.0.0 [110/5] via 10.19.24.6, 0:01:00, Ethernet2
B 172.17.12.0 [200/128] via 10.19.24.24, 0:02:22, Ethernet2
O 172.71.13.0 [110/5] via 10.19.24.6, 0:00:59, Ethernet2
O 10.13.0.0 [110/5] via 10.19.24.6, 0:00:59, Ethernet2
What does the value 110 in the output represent?- AThe administrative distance of the information source
- BThe metric to the route
- CThe type of route
- DThe port number of the remote router
99Which set of Cisco Internetwork Operating System (IOS) commands is used on Cisco routers to set a
password for Telnet lines?- Arouter(config-router)# line vty 0 4
router(config-line)# login
router(config-line)# password password - Brouter(config)# line telnet 0 4
router(config-line)# login
router(config-line)# password password - Crouter(config)# line aux 0
router(config-line)# login
router(config-line)# password password - Drouter(config)# line vty 0 4
router(config-line)# login
router(config-line)# password password
- Arouter(config-router)# line vty 0 4
100In which of the following networks does the address 192.168.54.23/27 reside?
- A192.168.54.0
- B192.168.54.8
- C192.168.54.4
- D192.168.54.16
101What is the primary benefit of the Virtual Local Area Network (VLAN) Trunking Protocol (VTP)?
- Abroadcast control
- Bframe tagging
- Cinter-VLAN routing
- Dconsistent VLAN configuration across switches in a domain
102Which of the following is NOT a feature offered by Enhanced Interior Gateway Routing Protocol (EIGRP)?
- Avariable length subnet masks (VLSM)
- Bpartial updates
- Cneighbor discovery mechanism
- Dmultiple vendor compatibility
103You are the network administrator for your company and have configured Cisco Discovery Protocol (CDP) in
your network. You recently noticed that when devices send large numbers of CDP neighbor announcements,
some devices are crashing. You decide to disable CDP on the router.
Which command should you use to achieve the objective?- Ano cdp run
- Bset cdp disable
- Cno cdp enable
- Dno cdp advertise-v2
104Which of the following topologies is used in Wide Area Networks (WANs)?
- AFDDI
- BCDDI
- CSONET
- DToken Ring
105Two catalyst switches on a LAN are connected to each other with redundant links and have Spanning Tree
Protocol (STP) disabled.
What problem could occur from this configuration?- AIt may cause broadcast storms.
- BAll ports on both switches may change to a forwarding state.
- CIt may cause a collision storm.
- DThese switches will not forward VTP information.
106Users on the LAN are unable to access the Internet. How would you correct the immediate problem?
- AConfigure a bandwidth on the serial interface
- BPerform a no shutdown command on the serial interface.
- CConfigure a private IP address on the Fastethernet0/0 LAN interface.
- DChange the IP address on the serial interface.
107Which two statements are TRUE of Internet Protocol (IP) addressing? (Choose two.)
- APublic addresses are registered with the Internet Assigned Numbers Authority (IANA).
- BThese addresses are publicly registered with the Internet Service Provider (ISP).
- CThrough a public IP address, you can access another computer on the Internet, such as a Web server.
- DThe ranges of public IP addressing are 10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31.255.255, and
192.168.0.0 to 192.168.255.255. - EPrivate addresses are allocated by the Internet Assigned Numbers Authority (IANA).
108Which type of network uses Carrier Sense Multiple Access with Collision Detection (CSMA/CD) as an access
method?- AToken Ring
- BLocalTalk
- C100VG-AnyLan
- DEthernet
109You are advising a client on the options available to connect a small office to an ISP.
Which of the following is an advantage of using an ADSL line?- Ait uses the existing cable TV connection
- Bit uses the existing phone line
- Cyou receive a committed information rate (CIR) from the provider
- Dthe upload rate is as good as the download rate
110Which of the following methods will ensure that only one specific host can connect to port F0/1 on a switch?
- AConfigure port security on F0/1 to forward traffic to a destination other than that of the MAC address of the host.
- BConfigure the MAC address of the host as a static entry associated with port F0/1.
- CConfigure port security on F0/1 to accept traffic only from the MAC address of the host.
- DConfigure an inbound access control list on port F0/1 limiting traffic to the IP address of the host.
- EConfigure port security on F0/1 to accept traffic other than that of the MAC address of the host.
111Consider the following diagram:
- ARIPv1
- BRIPv2
- CEIGRP
- DOSPF
112The four switches in the diagram below have default configurations. Considering the bandwidths indicated on
each link and the MAC addresses indicated for each switch, which ports will be forwarding after RSTP has
converged? (Choose all that apply.)
- ASW 1 port that connects to SW 4
- BSW 1 port that connects to SW 2
- CSW 1 port that connects to SW 3
- DSW 2 port that connects to SW 3
- ESW 2 port that connects to SW 4
- FSW 3 port that connects to SW 4
- GSW 3 port that connects to SW 1
- HSW 3 port that connects to SW 2
113You and your team are evaluating the use of OSPFv3 in your IPv6 network.
Which of the following statements is true of OSPFv3?- AThere will be a higher demand on the processor to run the link-state routing algorithm
- BRouter IDs must match for adjacency formation
- CArea IDs do not need to match for adjacency formation
- DArea types do not need to match for adjacency formation
114You have established a console session with R1 and you are attempting to download an IOS image from the
TFTP server in the diagram below.
However, you are unable to make the connection to 150.140.6.5. What is the problem?
- AThe IP address of the management station is incorrect
- BThe IP address of the TFTP server is incorrect
- CThe interfaces between R1and R2 are not in the same subnet
- DThe IP address of Switch B is incorrect
115R1 and R2 are connected as shown in the diagram and are configured as shown in output in the partial output of the show run command.
The command ping R2 fails when executed from R1. What command(s) would allow R1 to ping R2 by name?
- AR1(config)#int S1
R1(config-if)#no ip address 192.168.5.5
R1(config-if)# ip address 192.168.5.9 255.255.255.252 - BR1(config)#no ip host R1
R1(config)# ip host R2 192.168.5.6 255.255.255.252 - CR1(config)#no hostname R2
R1(config)# hostname R1 - DR2(config)#int S1
R1(config-if)#no ip address 192.168.5.5
R1(config-if)# ip address 192.168.5.9 255.255.255.0
- AR1(config)#int S1
116You run the following command:
switch# show ip interface brief
What information is displayed?- AA summary of the IP addresses and subnet mask on the interface
- BA summary of the IP addresses on the interface and the interface's status
- CThe IP packet statistics for the interfaces
- DThe IP addresses for the interface and the routing protocol advertising the network
117Which command can be issued at the following prompt?
- Ashow interface
- Bnetwork
- Cinterface
- Dip default-gateway
118Which Cisco Internetwork Operating System (IOS) command would be used to set the privileged mode
password to "cisco"?- Arouter(config)# enable password cisco
- Brouter# enable secret cisco
- Crouter(config)# line password cisco
- Drouter(config-router)# enable password cisco
119Which of the following is NOT managed by the cloud provider in an IaaS deployment?
- Avirtualization
- Bservers
- Cstorage
- Doperating system
120What command produced the following as a part of its output?
1 14.0.0.2 4 msec 4 msec 4 msec
2 63.0.0.3 20 msec 16 msec 16 msec
3 33.0.0.4 16 msec * 16 msec- APing
- BTraceroute
- CTracert
- DExtended ping
121From which of the following attacks can Message Authentication Code (MAC) shield your network?
- ADoS
- BDDoS
- Cspoofing
- DSYN floods
122In the diagram below, when a packet sent from the PC at 10.0.1.3 to the PC at 10.1.1.3 leaves the Fa0/1
interface of R1, what will be the source and destination IP and MAC addresses?
- Asource IP 10.1.1.2 destination IP 10.1.1.3
Source MAC ad.ad.ad.ad.ad.ad destination MAC ab.ab.ab.ab.ab.ab - Bsource IP 10.1.1.1 destination IP 10.1.1.3
Source MAC ad.dd.dd.dd.dd.dd.dd destination MAC ab.ab.ab.ab.ab.ab - Csource IP 10.0.1.3 destination IP 10.1.1.3
Source MAC ad.ad.ad.ad.ad.ad destination MAC ae.ae.ae.ae.ae.ae - Dsource IP 10.0.6.3 destination IP 10.1.1.3
Source MAC ad.ad.ad.ad.ad.ad destination MAC ae.ae.ae.ae.ae.ae
- Asource IP 10.1.1.2 destination IP 10.1.1.3
123Which are among the valid steps in the process of recovering a password on a Cisco router? (Choose all that
apply.)- ARestart the router.
- BConfigure the enable secret password.
- CEnter the router diagnostic mode.
- DEnter user mode.
- EAnswer the security question to recover the password.
124You are the network administrator for your company. You have implemented VLAN Trunking Protocol (VTP) in your network. However, you have found that VTP is not synchronizing VLAN information.
Which of the following items should be verified to resolve the problem? (Choose three.)- AEnsure that switches in the VTP domain are configured with VTP version 1 and version 2.
- BEnsure that VLANs are active on at least one switch on the VTP domain.
- CEnsure that all of the ports that interconnect switches are configured as trunks and are trunking properly.
- DEnsure that the VTP domain name is the same on all switches in the domain.
- EEnsure that identical passwords are configured on all VTP switches.
125Which of the following is NOT a possible component of Enhanced Interior Gateway Routing Protocol's (EIGRP)
composite metric?- ACost
- BLoad
- CDelay
- DBandwidth
126Which show interfaces command output indicates that the link may not be functional due to a Data Link layer
issue, while the Physical layer is operational?- AEthernet 0/0 is up, line protocol is up
- BEthernet 0/0 is up, line protocol is down
- CEthernet 0/0 is down, line protocol is up
- DEthernet 0/0 is down, line protocol is down
127Which of the following topologies is used in Wide Area Networks (WANs)?
- AFDDI
- BCDDI
- CSONET
- DToken Ring
128Which of the following is the correct command to define a default route using a gateway address of
172.16.0.254?- Aip default-route 172.16.0.254 255.255.0.0
- Bip route 0.0.0.0 0.0.0.0 172.16.0.254
- Cdefault-gateway 172.16.0.254
- Dip route default 172.16.0.254
129Which Cisco Internetwork Operating System (IOS) command is used to save the running configuration to nonvolatile random access memory (NVRAM)?
- Acopy startup-config running-config
- Bmove startup-config running-config
- Ccopy running-config startup-config
- Dcp startup-config running-config
130Which option lists the given applications in the correct sequence of increasing bandwidth consumption?
- Aan interactive Telnet session on a server running an SAP application
a voice conversation between PC-based VoIP services
a voice conversation between two IP phones while accessing an online video site - Ba voice conversation between two IP phones while accessing an online video site
an interactive Telnet session on a server running an SAP application
a voice conversation between PC-based VoIP services - Ca voice conversation between PC-based VoIP services
a voice conversation between two IP phones while accessing an online video site
an interactive Telnet session on a server running an SAP application - Dan interactive Telnet session on a server running an SAP application
a voice conversation between two IP phones while accessing an online video site
a voice conversation between PC-based VoIP services
- Aan interactive Telnet session on a server running an SAP application
131Consider the following output of the show ip interface brief command:
You have a single area OSPF network. What command should you execute on R1 so that OSPF is operational
on the E0, S1, and S2 interfaces ONLY?
- AR1(config-router)#network 192.168.12.64 0.0.0.127 area 0
- BR1(config-router)#network 192.168.12.64 0.0.0.63 area 0
- CR1(config-router)#network 192.168.12.64 0.0.0.66 area 0
- DR1(config-router)#network 192.168.12.64 255.255.255.192 area 0
- ER1(config-router)#network 192.168.12.64 0.0.0.63 area1
132Which command would be used to establish static translation between an inside local address 192.168.144.25 and an inside global address 202.56.63.102?
- Arouter(config)#ip nat inside source static 192.168.144.25 202.56.63.102
- Brouter(config)#ip source nat inside static local-ip 192.168.144.25 global-ip 202.56.63.102
- Crouter(config)#ip nat static inside source 192.168.144.25 202.56.63.102
- Drouter(config)#ip nat inside static source 192.168.144.25 202.56.63.102
133How many IP addresses can be assigned to hosts in subnet 192.168.12.64/26?
- A32
- B62
- C128
- D256
134Examine the network diagram.
- ASwitchA - Fa0/1 and Fa0/2
- BSwitchA - Fa0/1
- CSwitchA - Fa0/2
- DSwitchB - Fa0/1
- ESwitchB - Fa0/2
135The diagram below shows the state of the switch interfaces after STP has converged.
- AThe Fa0/2 interface on SW 2 is a designated port
- BSW 3 is the root bridge
- CSW 2 is the root bridge
- DThe Fa0/0 interface on SW 2 is a designated port
- EThe Fa0/0 interface on SW 2 is a root port
136When a router has been configured with a loopback address, which of the following determines the OSPF
router ID?- AThe highest MAC address assigned to a physical interface on the router
- BThe lowest priority of a physical interface on the router
- CThe lowest IP address assigned to a physical interface on the router
- DThe highest IP address assigned to a loopback interface on the router
137Which layer in the Open Systems Interconnection (OSI) model defines an Internet Protocol (IP) address that
helps in selecting the route to the destination?- AData Link
- BNetwork
- CApplication
- DTransport
138Refer to the partial output of the show interfaces command:
- AThere is no problem with the physical connectivity.
- BThere is a configuration problem in the local or remote router.
- CThere is a problem at the telephone company's end.
- DThe shutdown interface command is present in the router configuration.
139The following exhibit displays the MAC address table of a switch in your network, along with the location of each device connected to the switch:
- Asource MAC: 12-34-56-78-9A-BD, destination MAC: 12-34-56-78-9A-BF
- Bsource MAC: 12-34-56-78-9A-BF, destination MAC: 12-34-56-78-9A-BD
- Csource MAC: 12-34-56-78-9A-BF, destination MAC: 12-34-56-78-9A-BC
- Dsource MAC: 12-34-56-78-9A-BC, destination MAC: 12-34-56-78-9A-BF
140Which trunk encapsulation defines one VLAN on each trunk as a native VLAN?
- AISL
- BIEEE 802.1q
- CIEEE 802.11a
- Dauto
141Which command will display the Virtual LAN (VLAN) frame tagging method for a switch link?
- Ashow vlan
- Bshow vlan encapsulation
- Cshow vtp status
- Dshow interfaces trunk
142View the following network diagram:
Which switch will become the root bridge?
- ASwitchA
- BSwitchB
- CSwitchC
- DThe root bridge cannot be determined from the given information.
143Which protocol is used in redundant network topologies to avoid receiving multiple copies of the same frame?
- A802.1q
- BSpanning Tree Protocol
- CCisco Discovery Protocol
- DRouting Information Protocol
144Which of the following statements are true of Class C IP addresses?
- AThe decimal values of the first octet can range from 192 to 223
- BThe decimal values of the first octet can range from 1 to 126
- CThe first octet represents the entire network portion of the address
- DThe first three octets represent the entire network portion of the address
- EThe value of the first binary place in the first octet must be 0
- FThe value of the first two binary places in the first octet must be 11
145Which Cisco Internetwork Operating System (IOS) command would be used to define a static route for network
192.168.11.0 through default gateway 192.168.43.1?- Arouter(config)# ip route 192.168.11.0 255.255.255.0 192.168.43.1
- Brouter# ip route 192.168.11.0 255.255.255.0 192.168.43.1
- Crouter(config)# ip classless 192.168.43.1
- Drouter(config)# ip default gateway 192.168.11.0 255.255.255.0 192.168.43.1
- Erouter# ip default gateway 192.168.43.1
146Which command will save a dynamically learned MAC address in the running-configuration of a Cisco switch?
- Aswitchport port-security mac-address
- Bswitchport port-security
- Cswitchport port-security sticky mac-address
- Dswitchport port-security mac-address sticky
- Eswitchport mac-address sticky
147Which of the following items are NOT required to match for two routers to form an OSPF adjacency?
- AArea IDs
- BHello/Dead timers
- CPasswords (if OSPF authentication has been configured)
- DProcess IDs
148Which two are the limitations of the service password-encryption command? (Choose two.)
- AIt uses the MD5 algorithm for password hashing.
- BIt uses the Vigenere cipher algorithm.
- CAn observer cannot read the password when looking at the administrator's screen.
- DThe algorithm used by this command cannot protect the configuration files against detailed analysis by attackers.
149You have been assigned a network ID of 172.16.0.0/26. If you utilize the first network resulting from this ID,
what would be the last legitimate host address in this subnet?- A172.16.0.64
- B172.16.0.63
- C172.16.0.62
- D172.16.0.65
150Which Cisco IOS command enables a router to copy IOS images to a router?
- Acopy tftp flash
- Bcopy flash tftp
- Ccopy running-config tftp
- Dcopy running-config startup-config
- Ecopy tftp running-config
151Which device in the given network diagram has as its primary responsibility the regulation of network traffic
flow based on different trust levels for different computer networks?
- Athe router
- Bthe switch
- Cthe hub(s)
- Dthe firewall
152The exhibit displays the MAC address table of a switch in your network, along with the location of each device connected to the switch.
Which of the following frames will cause the switch to add a new MAC address to its table and forward the
frame to all ports when the frame is received?
- Asource MAC: 12-34-56-78-9A-BC, destination MAC: ff-ff-ff-ff-ff-ff
- Bsource MAC: ff-ff-ff-ff-ff, destination MAC: 12-34-56-78-9A-BC
- Csource MAC: 12-34-56-78-9A-BF, destination MAC: 12-34-56-78-9A-BC
- Dsource MAC: 12-34-56-78-9A-BC, destination MAC: 12-34-56-78-9A-BF
153Which command is used to view the entire routing table?
- Ashow route-map
- Bshow ip mroute
- Cshow ip route
- Dshow ip protocols
154The conference room has a switch port available for use by the presenter during classes. Each presenter uses
the same PC attached to the port. You would like to prevent any other PCs from using that port. You have
completely removed the former configuration in order to start anew.
Which of the following steps are required to prevent any other PCs from using that port?- Amake the port a trunk port
- Benable port security
- Cmake the port an access port
- Dassign the MAC address of the PC to the port
- Emake the port a sticky port
- Fset the maximum number of MAC addresses on the port to 1
155You are configuring Open Shortest Path First (OSPF) protocol for IPv6 on Router5. The router has two
interfaces, which have been configured as follows:
S0/0 - 192.168.5.1/24
S0/1 - 10.0.0.6/8
You would like OSPF to route for IPv6 only on the S0/0 network. It should not route for IPv6 on the S0/1
network. The process ID you have chosen to use is 25. You do not want to apply an IPv6 address yet.
Which of the following command sets would enable OSPF for IPv6 as required?- ARouter5(config)#ipv6 ospf 25
Router5(config)# network 192.168.5.0 - BRouter5(config)#ipv6 ospf 25
Router5(config)#router-id 192.168.5.1 - CRouter5(config)#ipv6 unicast-routing
Router5(config)#ipv6 router ospf 25
Router5(config-rtr)#router-id 1.1.1.1
Router5(config)#interface S0/0
Router5(config-if)#ipv6 ospf 25 area 0 - DRouter5(config)#ipv6 unicast-routing
Router5(config)#ipv6 ospf 25
Router5(config-rtr)#router-id 1.1.1.1
- ARouter5(config)#ipv6 ospf 25
156What is the significance of the following BECN packet statistics?
- AThe router is experiencing congestion in sending frames.
- BThe router is experiencing congestion in receiving frames.
- CThe Frame Relay mapping table is missing an entry.
- DThe Frame Relay mapping table is corrupt.
157In the following partial output of the show ip route command, what does the letter D stand for?
D 192.1.2.0/24 via 5.1.1.71 [w:0 m:0]
C 192.8.1.1/32 directly connected to loopback 0- AThis is a default route
- BThis is an EIGRP route
- CThis is static route
- DThis is a directly connected route
158Which command would you use to see which switch interface is associated with a particular MAC address?
- Ashow interface mac
- Bshow mac
- Cshow mac-address-table
- Dshow ip interface
159What command would provide the output displayed in the exhibit? (Click on the Exhibit(s) button.)
- Aswitch# show hsrp
- Bswitch# show standby
- Cswitch# show interface vlan
- Dswitch# show standby brief
160Which of the following fields are in a Transmission Control Protocol (TCP) header? (Choose three.)
- ALength
- BSequence Number
- CData Offset
- DType-of-Service
- EWindow
161Which Cisco IOS command disables Cisco Discovery Protocol Version 2 (CDPv2) advertisements?
- Ano cdp advertise-v2
- Bno cdp v2-advertise
- Cno cdp run
- Dno cdp enable
162Which of the following statements are TRUE regarding EIGRP operation? (Choose two.)
- AA successor is a backup route, and is installed in both the routing and topology tables.
- BA successor is a primary route, and is installed in both the routing and topology tables.
- CA successor is a primary route, and is installed only in the routing table.
- DA feasible successor is a backup route, and is installed in both the routing and topology tables.
- EA feasible successor is a primary route, and is only installed in the routing table.
- FA feasible successor is a backup route, and is only installed in the topology table.
- GIf the successor route fails and no feasible successor route exists, the router will send an update with the route marked with an unreachable metric of 16.
163Which two are NOT valid Cisco IOS commands used for Cisco Discovery Protocol (CDP)? (Choose two.)
- Ashow cdp
- Bshow cdp entry *
- Cshow cdp neighbor entries
- Dshow cdp neighbors detail
- Eshow cdp devices
164What data structure is pictured in the graphic?
- ATCP segment
- BUDP datagram
- CIP header
- DHttp header
165Which of the following excerpts from the output of the show ip eigrp topology command include EIGRP learned routes or pairs of routes that will be included in the routing table? (For excerpts that include multiple routes, do not include the entry unless BOTH routes will be included in the routing table.)
- AP 172.16.16.0/24, 1 successors, FD is 284244
via 172.16.250.2 (284244/17669856), Serial0/0
via 172.16.251.2 (12738176/27819002), Serial0/1 - BP 172.16.250.0/24, 1 successors, FD is 2248564
via Connected, Serial0/0 - CP 172.16.10.0/24 2 successors, FD is 284244
via 172.16.50.1 (284244/17669856), Serial1/0
via 172.16.60.1 (284244/17669856), Serial1/1 - DP 172.16.60.0/24, 1 successors, FD is 2248564
via Connected, Serial1/1
- AP 172.16.16.0/24, 1 successors, FD is 284244
166Which of the following statements is TRUE about trunk ports?
- AA trunk port connects an end-user workstation to a switch.
- BA trunk port uses 802.1q to identify traffic from different VLANs.
- CA trunk port supports a single VLAN.
- DA trunk port uses a straight-through Ethernet cable when connecting two switches.
167In which two situations would it be appropriate to issue the ipconfig command with the /release and /renew
options? (Choose two.)- AWhen the result of running the ipconfig /all command indicates a 169.254.163.6 address
- BWhen recent scope changes have been made on the DHCP server
- CWhen no IP helper address has been configured on the router between the client and the DHCP server
- DWhen the no ip directed-broadcast command has been issued in the router interface local to the client, and no IP helper address has been configured on the router between the client and the DHCP server
168Which of the following characteristics are NOT shared by RIPv1 and RIPv2?
- AThey share an administrative distance value
- BThey use the same metric
- CThey both send the subnet mask in routing updates
- DThey have the same maximum hop count
169Which Enhanced Interior Gateway Routing Protocol (EIGRP) packet is NOT sent reliably over the network?
- AUpdate
- BQuery
- CReply
- DAcknowledgement
170You recently implemented SNMPv3 to increase the security of your network management system. A partial
output of the show run command displays the following output that relates to SNMP:
<output omitted>
snmp-server group TECHS v3 noauth read TECHS write TECHS
Which of the following statements is true of this configuration?- AIt provides encryption, but it does not provide authentication
- BIt provides neither authentication nor encryption
- CIt provides authentication, but it does not provide encryption
- DIt provides both authentication and encryption
171You are the network administrator for your company. You want to upgrade the network, which is currently
running on IPv4, to a fully functional IPv6 network. During the transition, you want to ensure that hosts capable only of IPv6 can communicate with hosts capable only of IPv4 on the network.
Which solution should you implement to accomplish the task in this scenario?- AIPv6 over IPv4 tunnels
- BIPv6 over dedicated Wide Area Network (WAN) links
- CDual-Stack Backbones
- DProtocol translation
172Which Cisco Internetwork Operating System (IOS) command is used to make the running configuration in
Random Access Memory (RAM) to the configuration the router will use at startup?- Acopy running-config startup-config
- Bcopy flash running-config
- Ccopy tftp flash
- Dcopy running-config flash memory
- Ecopy startup-config tftp
- Fcopy tftp running-config
- Gcopy running-config tftp
173Which of the following is NOT a benefit of cloud computing to cloud users?
- AOn-demand self-service resources provisioning
- BCentralized appearance of resources
- CHighly available, horizontally scaled applications
- DCost reduction from standardization and automation
174When the auth keyword is used in the snmp-server host command, which of the following must be configured
with an authentication mechanism?- Athe interface
- Bthe host
- Cthe user
- Dthe group
175You need to manually assign IPv6 addresses to the interfaces on an IPv6-enabled router. While assigning
addresses, you need to ensure that the addresses participate in neighbor discovery and in stateless autoconfiguration process on a physical link.
Which of the following addresses can be assigned to the interfaces?- AFEC0:0:0:1::1/64
- BFE80::260:3EFF:FE11:6770/10
- C2001:0410:0:1:0:0:0:1/64
- D2002:500E:2301:1:20D:BDFF:FE99:F559/64
176Which technique is used to stop routing loops by preventing route update information from being sent back
over the interface on which it arrived?- AHolddown timer
- BTriggered updates
- CRoute poisoning
- DSplit horizon
- EMaximum hop count
177Multiple routes to a destination already exist from various routing protocols.
Which of the following values is used FIRST to select the route that is inserted into the route table?- Acomposite metric
- Badministrative distance
- Cprefix length
- Dhop count
178You are the Cisco administrator for Verigon Incorporated. The given exhibit displays some of the devices in the network. (Click the Exhibit(s) button.) Workstation A can communicate with Workstation C but cannot
communicate with Workstation B.
What is the problem?
- AWorkstation B has an incorrect default gateway
- BWorkstation A has an incorrect subnet mask
- CWorkstation A has an incorrect default gateway
- DWorkstation B has an incorrect subnet mask
179Examine the following partial output of the show interfaces command.
Which of the following statements are true? (Choose all that apply.)
- Athe interface is functional
- Bthe largest frame allowed through this connection is 1500 bytes
- Cthe interface needs the no shutdown command executed to be functional
- Dthe largest frame allowed through this connection is 10000 Kbs
180You are in the process of verifying the operation of your core switches, which are using HSRP. One core switch
was left with the default priority; the other was given a lower priority to make it the standby switch. The
command show standby brief was executed on one of the switches. Output of the command is shown below:
What does this output mean? (Choose all that apply.)- Athis switch is using the default priority
- Bthis switch is the active HSRP switch
- Cthe HSRP devices are up and functioning correctly
- Dthe switch intended to be the active switch has failed and this switch has taken over
- Epreemption is enabled for the group
181Match the Dynamic Trunking Protocol (DTP) configuration on the switch ports so that a trunk link can be
established. (Click and drag the DTP modes on the left and place them with their corresponding port on the
right.)
- ATrunk
- BDesirable
- CAuto
- DNonegotiable
182When executed on a HSRP group member named Router 10, what effect does the following command have?
Router10(config-if)# standby group 1 track serial0 25- AIt will cause the router to increase its HSRP priority by 25 if the Serial0 interface on the standby router goes down
- BIt will cause the router to shut down the Serial0 interface if 25 packets have been dropped
- CIt will cause the router to notify Router 25 is serial 0 goes down
- DIt will cause the router to decrement its HSRP priority by 25 if Serial 0 goes down
183You are a network administrator for your organization. Your organization has two Virtual LANs, named
Marketing and Production. All switches in the network have both VLANs configured on them. Switches A, C, F, and G have user machines connected for both VLANs, whereas switches B, D, and E have user machines
connected to the Production VLAN only. (Click the Exhibit(s) button to view the network diagram.)
To meet a new requirement, Marketing VLAN users must communicate with Production VLAN users and viceversa. What changes would be required for the network in this scenario?- ADisable VTP pruning.
- BConvert all switch ports into trunk ports.
- CCreate an access list with permit statements.
- DInstall a routing device or enable Layer 3 routing on a switch.
184Which of the following commands will enable a global IPv6 address based on the Modified EUI-64 format
interface ID?- Aipv6 address 5000::2222:1/64
- Bipv6 address autoconfig
- Cipv6 address 2001:db8:2222:7272::72/64 link-local
- Dipv6 enable
185Refer to the following partial output of the show interfaces command:
What are the two troubleshooting steps that you should perform to resolve the problem depicted in the output? (Choose two.)- ACheck the cable connections.
- BReset the equipment.
- CCheck the router configuration.
- DCheck the router configuration for the shutdown interface command.
186How is the designated router (DR) determined by OSPF on a multi-access network segment?
- AThe lowest interface priority, then the highest RID
- BThe highest interface priority, then the highest RID
- CThe lowest interface priority, then the highest OSPF process ID
- DThe highest interface priority, then the highest OSPF process ID
187Which statement is TRUE of the CSMA/CD Ethernet media access method?
- AIt requires centralized monitoring and control.
- BIt is ideal for a switched network environment.
- CIt uses a back-off algorithm to calculate a random time value.
- DEach station is allotted a time slot in which they can transmit data.
188A device has an address of 192.168.144.21 and a mask of 255.255.255.240.
What will be the broadcast address for the subnet to which this device is attached?- A192.168.144.23
- B192.168.144.28
- C192.168.144.31
- D192.168.144.32
189Click and drag the OSI layer, on the left, to the commands at which they test functionality. If a command can
test more than one layer, choose the highest layer for which it can test. (It may be necessary to use an OSI
layer multiple times.)
- ALayer 3
- BLayer 2
- CLayer 7
- DLayer2
- Elayer7
- Flayer 4
- Glayer5
190Which is the shortest possible notation of the following Internet Protocol version 6 (IPv6) address?
2001:0DB8:0000:0001:0000:0000:0000:F00D- A2001:DB8::1::F00D
- B2001:DB8:0:1::F00D
- C2001:DB8:0:1:0:0:0:F00D
- D2001:0DB8:0:1::F00D
191You have connected two routers in a lab using a Data Terminal Equipment (DTE)-to-Data Circuit-terminating
Equipment (DCE) cable.
Which command must be issued on the DCE end for the connection to function?- Abandwidth
- Bno clock rate
- Cclock rate
- Dno bandwidth
192Which Cisco IOS command can be used to troubleshoot switch startup problems on a Cisco Catalyst 2950
switch?- Ashow test
- Bshow diagnostic
- Cshow post
- Dshow switchstartup
193Why is it recommended to use Spanning Tree Protocol (STP) in Local Area Networks (LANs) with redundant
paths?- ATo prevent loops
- BTo manage VLANs
- CTo load balance across different paths
- DTo prevent forwarding of unnecessary broadcast traffic on trunk links
194Enhanced Interior Gateway Routing Protocol (EIGRP) uses which algorithm to select the best path to the
destination?- ADiffusing Update Algorithm (DUAL)
- BDijkstra algorithm
- CBellman-Ford algorithm
- DShortest Path First (SPF) algorithm
195Examine the following output from SwitchD.
Based on this output, what command MUST be executed for an 802.1q trunk to be created on port Fa0/1?
- Aswitchport mode trunk
- Bswitchport mode nonegotiate
- Cswitchport trunk encapsulation 802.1q
- Dswitchport trunk native VLAN
196As you are training a new junior technician, the trainee is examining the routing table. He tells you that there
are four different routes to the same network in different routing databases. He asks you which of the routes
will be used to populate the routing table.
What will your answer be, assuming that all routing protocols are set at the default administrative distance?- AThe route with an R next to it
- BThe route with an S next to it
- CThe route with a C next to it
- DThe route with an I next to it
197What command can be used on a Cisco switch to display the virtual MAC address for the HSRP groups of
which the switch is a member?- Aswitch# show standby mac
- Bswitch# show hsrp mac
- Cswitch# show standby
- Dswitch# show standby brief
198Which value is NOT correct?
- Athe default gateway
- Bthe VLAN number
- Cthe password
- Dthe login command
199You have been asked to troubleshoot the NTP configuration of a router named R70. After executing the show run command, you receive the following partial output of the command that shows the configuration relevant to NTP:
clock timezone PST -8
clock summer-time PDT recurring
ntp update-calendar
ntp server 192.168.13.57
ntp server 192.168.11.58
interface Ethernet 0/0
ntp broadcast
Based on this output, which of the following statements is true?- Athe time zone is set to 8 hours less than Pacific Standard time
- Bthe router will listen for NTP broadcasts on interface E0/0
- Cthe router will send NTP broadcasts on interface E0/0
- Dthe router will periodically update its software clock
200What will an EIGRP router do if the successor route fails and there is no feasible successor?
- AEIGRP will mark the route as passive until a new successor route is determined.
- BEIGRP will redistribute routes into RIP or OSPF.
- CEIGRP will query neighboring routers until a new successor route is determined.
- DEIGRP will forward traffic to the neighbor with the lowest administrative distance.
Información
- Descripción
- Ingenieria de red CCNA Test sobre 4551, creado por Johnny Quispe el 08/03/2022.
- Autor
- Johnny Quispe
- Idioma
- Español
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