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Estudio 2
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Questions in this quiz (68)
1Which statements are TRUE regarding Internet Protocol version 6 (IPv6) addresses?
(Choose three.)- AAn IPv6 address is divided into eight 16-bit groups.
- BA double colon (::) can only be used once in a single IPv6 address.
- CIPv6 addresses are 196 bits in length.
- DLeading zeros cannot be omitted in an IPv6 address.
- EGroups with a value of 0 can be represented with a single 0 in IPv6 address.
2Which three statements are correct about RIP version 2? (Choose three)
- AIt uses broadcast for its routing updates.
- BIt supports authentication.
- CIt is a classless routing protocol.
- DIt has a lower default administrative distance then RIP version 1.
- EIt has the same maximum hop count as RIP version 1.
- FIt does not send the subnet mask any updates.
3Which parameter or parameters are used to calculate OSPF cost in Cisco routers?
- ABandwidth
- BBandwidth and Delay
- CBandwidth, Delay, and MTU
- DBandwidth, MTU, Reliability, Delay, and Load
4Why do large OSPF networks use a hierarchical design? (Choose three.)
- Ato decrease latency by increasing bandwidth
- Bto reduce routing overhead
- Cto speed up convergence
- Dto confine network instability to single areas of the network
- Eto reduce the complexity of router configuration
- Fto lower costs by replacing routers with distribution layer switches
5Which two commands will display the current IP address and basic Layer 1 and 2 status of
an interface? (Choose two.)- Arouter#show version
- Brouter#show ip interface
- Crouter#show protocols
- Drouter#show controllers
- Erouter#show running-config
6Which of the following IP addresses are valid Class B host addresses if a default Class B
mask is in use? (Choose two.)- A10.6.8.35
- B133.6.5.4
- C192.168.5.9
- D127.0.0.1
- E190.6.5.4
7Which IP addresses are valid for hosts belonging to the 10.1.160.0/20 subnet? (Choose
three.)- A10.1.168.0
- B10.1.176.1
- C10.1.174.255
- D10.1.160.255
- E10.1.160.0
- F10.1.175.255
8When running OSPF, what would cause router A not to form an adjacency with router B?
- AThe loopback addresses are on different subnets.
- BThe values of the dead timers on the routers are different.
- CRoute summarization is enabled on both routers.
- DThe process identifier on router A is different than the process identifier on router B.
9Which two of these statements are true of IPv6 address representation? (Choose two.)
- AThere are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast.
- BA single interface may be assigned multiple IPv6 addresses of any type.
- CEvery IPv6 interface contains at least one loopback address
- DThe first 64 bits represent the dynamically created interface ID.
- ELeading zeros in an IPv6 16 bit hexadecimal field are mandatory.
10What is the OSPF default frequency, in seconds, at which a Cisco router sends hello
packets on a multi-access network?- A10
- B40
- C30
- D20
11Which commands are required to properly configure a router to run OSPF and to add
network 192.168.16.0/24 to OSPF area 0? (Choose two.)- ARouter(config)# router ospf 0
- BRouter(config)# router ospf 1
- CRouter(config)# router ospf area 0
- DRouter(config-router)# network 192.168.16.0 0.0.0.255 0
- ERouter(config-router)# network 192.168.16.0 0.0.0.255 area 0
- FRouter(config-router)# network 192.168.16.0 255.255.255.0 area 0
12Which command enables IPv6 forwarding on a Cisco router?
- Aipv6 host
- Bipv6 unicast-routing
- Cipv6 local
- Dipv6 neighbor
13R1 is configured with the default configuration of OSPF. From the following list of IP
addresses configured on R1, which address will the OSPF process select as the router ID?
- A192.168.0.1
- B172.16.1.1
- C172.16.2.1
- D172.16.2.225
14OSPF is configured using default classful addressing. With all routers and interfaces
operational, how many networks will be in the routing table of R1 that are indicated to be
learned by OSPF?
- A2
- B3
- C4
- D5
- E6
- F7
15To allow or prevent load balancing to network 172.16.3.0/24, which of the following
commands could be used in R2? (Choose two.)
- AR2(config-if)#clock rate
- BR2(config-if)#bandwidth
- CR2(config-if)#ip ospf cost
- DR2(config-if)#ip ospf priority
- ER2(config-router)#distance ospf
16OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?
(Choose Three.)- AEach OSPF area requires a loopback interface to be configured.
- BAreas may be assigned any number from 0 to 65535.
- CArea 0 is called the backbone area.
- DHierarchical OSPF networks do not require multiple areas.
- EMultiple OSPF areas must connect to area 0.
- FSingle area OSPF networks must be configured in area 1.
17What is the default maximum number of equal-cost paths that can be placed into the
routing table of a Cisco OSPF router?- A2
- B8
- C16
- Dunlimited
18Which default gateway address should be assigned to HostA?
- A192.168.1.1
- B192.168.1.65
- C192.168.1.66
- D192.168.1.129
- E10.1.1.1
- F10.1.1.2
19Assume that all router interfaces are operational and correctly configured. In addition,
assume that OSPF has been correctly configured on router R2. How will the default route
configured on R1 affect the operation of R2?
- AAny packet destined for a network that is not directly connected to router R2 will be
dropped immediately. - BAny packet destined for a network that is not referenced in the routing table of router R2
will be directed to R1. R1 will then send that packet back to R2 and a routing loop will
occur. - CAny packet destined for a network that is not directly connected to router R1 will be
dropped. - DThe networks directly connected to router R2 will not be able to communicate with the
172.16.100.0, 172.16.100.128, and 172.16.100.64 subnetworks. - EAny packet destined for a network that is not directly connected to router R2 will be
dropped immediately because of the lack of a gateway on R1.
- AAny packet destined for a network that is not directly connected to router R2 will be
20Which statement describes the process ID that is used to run OSPF on a router?
- AIt is globally significant and is used to represent the AS number.
- BIt is locally significant and is used to identify an instance of the OSPF database.
- CIt is globally significant and is used to identify OSPF stub areas.
- DIt is locally significant and must be the same throughout an area.
21An administrator must assign static IP addresses to the servers in a network. For network
192.168.20.24/29, the router is assigned the first usable host address while the sales
server is given the last usable host address.
Which of the following should be entered into the IP properties box for the sales server?- AIP address: 192.168.20.14
Subnet Mask: 255.255.255.248
Default Gateway: 192.168.20.9 - BIP address: 192.168.20.254
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.20.1 - CIP address: 192.168.20.30
Subnet Mask: 255.255.255.248
Default Gateway: 192.168.20.25 - DIP address: 192.168.20.30
Subnet Mask: 255.255.255.240
Default Gateway: 192.168.20.17 - EIP address: 192.168.20.30
Subnet Mask: 255.255.255.240
Default Gateway: 192.168.20.25
- AIP address: 192.168.20.14
22Which one of the following IP addresses is the last valid host in the subnet using mask
255.255.255.224?- A192.168.2.63
- B192.168.2.62
- C192.168.2.61
- D192.168.2.60
- E192.168.2.32
23Which address are OSPF hello packets addressed to on point-to-point networks?
- A224.0.0.5
- B172.16.0.1
- C192.168.0.5
- D223.0.0.1
- E254.255.255.255
24ROUTER# show ip route
192.168.12.0/24 is variably subnetted, 9 subnets, 3 masks
C 192.168.12.64 /28 is directly connected, Loopback1
C 192.168.12.32 /28 is directly connected, Ethernet0
C 192.168.12.48 /28 is directly connected, Loopback0
O 192.168.12.236 /30 [110/128] via 192.168.12.233, 00:35:36, Serial0
C 192.168.12.232 /30 is directly connected, Serial0
O 192.168.12.245 /30 [110/782] via 192.168.12.233, 00:35:36, Serial0
O 192.168.12.240 /30 [110/128] via 192.168.12.233, 00:35:36, Serial0
O 192.168.12.253 /30 [110/782] via 192.168.12.233, 00:35:37, Serial0
O 192.168.12.249 /30 [110/782] via 192.168.12.233, 00:35:37, Serial0
O 192.168.12.240/30 [110/128] via 192.168.12.233, 00:35:36, Serial 0
To what does the 128 refer to in the router output above?- AOSPF cost
- BOSPF priority
- COSPF hop count
- DOSPF ID number
- EOSPF administrative distance
25Which statement about IPv6 is true?
- AAddresses are not hierarchical and are assigned at random.
- BOnly one IPv6 address can exist on a given interface.
- CThere are 2.7 billion addresses available.
- DBroadcasts have been eliminated and replaced with multicasts.
26What is the purpose of assigning an IP address to a switch?
- Aprovides local hosts with a default gateway address
- Ballows remote management of the switch
- Callows the switch to respond to ARP requests between two hosts
- Densures that hosts on the same LAN can communicate with each other
27Which command is used to display the collection of OSPF link states?
- Ashow ip ospf link-state
- Bshow ip ospf lsa database
- Cshow ip ospf neighbors
- Dshow ip ospf database
28Given an IP address of 192.168.1.42 255.255.255.248, what is the subnet address?
- A192.168.1.8/29
- B192.168.1.32/27
- C192.168.1.40/29
- D192.168.1.16/28
- E192.168.1.48/29
29On a live network, which commands will verify the operational status of router interfaces?
(Choose two.)- ARouter# show interfaces
- BRouter# show ip protocols
- CRouter# debug interface
- DRouter# show ip interface brief
- ERouter# show start
30What is the network address for the host with IP address 192.168.23.61/28?
- A192.168.23.0
- B192.168.23.32
- C192.168.23.48
- D192.168.23.56
- E192.168.23.60
31A network administrator is troubleshooting the OSPF configuration of routers R1 and R2.
The routers cannot establish an adjacency relationship on their common Ethernet link.
The graphic shows the output of the show ip ospf interface e0 command for routers R1 and
R2. Based on the information in the graphic, what is the cause of this problem?
- AThe OSPF area is not configured properly.
- BThe priority on R1 should be set higher.
- CThe cost on R1 should be set higher.
- DThe hello and dead timers are not configured properly.
- EA backup designated router needs to be added to the network.
- FThe OSPF process ID numbers must match.
32The network is converged.After link-state advertisements are received from Router_A, what
information will Router_E contain in its routing table for the subnets 208.149.23.64 and
208.149.23.96?
- A208.149.23.64[110/13] via 190.173.23.10, 00:00:07, FastEthemet0/0
208.149.23.96[110/13] via 190.173.23.10, 00:00:16, FastEthemet0/0 - B208.149.23.64[110/1] via 190.172.23.10, 00:00:07, Serial1/0
208.149.23.96[110/3] via 190.173.23.10, 00:00:16, FastEthemet0/0 - C208.149.23.64[110/13] via 190.173.23.10, 00:00:07, Serial1/0
208.149.23.96[110/13] via 190.173.23.10, 00:00:16, Serial1/0
208.149.23.96[110/13] via 190.173.23.10, 00:00:16, FastEthemet0/0 - D208.149.23.64[110/3] via 190.172.23.10, 00:00:07, Serial1/0
208.149.23.96[110/3] via 190.173.23.10, 00:00:16, Serial1/0
- A208.149.23.64[110/13] via 190.173.23.10, 00:00:07, FastEthemet0/0
33A network associate has configured OSPF with the command:
City(config-router)# network 192.168.12.64 0.0.0.63 area 0
After completing the configuration, the associate discovers that not all the interfaces are
participating in OSPF. Which three of the interfaces shown in the exhibit will participate in
OSPF according to this configuration statement? (Choose three.)
- AFastEthernet0 /0
- BFastEthernet0 /1
- CSerial0/0
- DSerial0/1.102
- ESerial0/1.103
- FSerial0/1.104
34What command sequence will configure a router to run OSPF and add network 10.1.1.0
/24 to area 0?- Arouter ospf area 0
network 10.1.1.0 255.255.255.0 area 0 - Brouter ospf
network 10.1.1.0 0.0.0.255 - Crouter ospf 1
network 10.1.1.0 0.0.0.255 area 0 - Drouter ospf area 0
network 10.1.1.0 0.0.0.255 area 0 - Erouter ospf
network 10.1.1.0 255.255.255.0 area 0 - Frouter ospf 1
network 10.1.1.0 0.0.0.255
- Arouter ospf area 0
35Which router command will configure an interface with the IP address 10.10.80.1/19?
- Arouter(config-if)# ip address 10.10.80.1/19
- Brouter(config-if)# ip address 10.10.80.1 255.255.0.0
- Crouter(config-if)# ip address 10.10.80.1 255.255.255.0
- Drouter(config-if)# ip address 10.10.80.1 255.255.224.0
- Erouter(config-if)# ip address 10.10.80.1 255.255.240.0
- Frouter(config-if)# ip address 10.10.80.1 255.255.255.240
36An administrator is working with the 192.168.4.0 network, which has been subnetted with a
/26 mask. Which two addresses can be assigned to hosts within the same subnet?
(Choose two.)- A192.168.4.61
- B192.168.4.63
- C192.168.4.67
- D192.168.4.125
- E192.168.4.128
- F192.168.4.132
37Which IP address is a private address?
- A12.0.0.1
- B168.172.19.39
- C172.20.14.36
- D172.33.194.30
- E192.169.42.34
38Which two statements are correct? (Choose two.)
- AThis is a default route.
- BAdding the subnet mask is optional for the ip route command.
- CThis will allow any host on the 172.16.1.0 network to reach all known destinations
beyond RouterA. - DThis command is incorrect, it needs to specify the interface, such as s0/0/0 rather than
an IP address. - EThe same command needs to be entered on RouterA so that hosts on the 172.16.1.0
network can reach network 10.0.0.0.
39What information can be used by a router running a link-state protocol to build and maintain
its topological database? (Choose two.)- Ahello packets
- BSAP messages sent by other routers
- CLSAs from other routers
- Dbeacons received on point-to-point links
- Erouting tables received from other link-state routers
- FTTL packets from designated routers
40Which statement is true?
- AAn IPv6 address is 64 bits long and is represented as hexadecimal characters.
- BAn IPv6 address is 32 bits long and is represented as decimal digits.
- CAn IPv6 address is 128 bits long and is represented as decimal digits.
- DAn IPv6 address is 128 bits long and is represented as hexadecimal characters.
41When configuring NAT, the Internet interface is considered to be what?
- Alocal
- Binside
- Cglobal
- Doutside
42Drag the definition on the left to the correct term on the right. Not all definitions on the left
will be used.- A
- B
- A
43The network administrator is using a Windows PC application that is called putty.exe for
remote communication to a switch for network troubleshooting. Which two protocols could
be used during this communication? (Choose two.)- ASNMP
- BHTTP
- CTelnet
- DRMON
- ESSH
44Various protocols are listed on the left. On the right are applications for the use of those
protocols. Drag the protocol on the left to an associated function for that protocol on the
right. (Not all options are used.)- A
- B
- A
45A network administrator cannot connect to a remote router by using SSH. Part of the show
interfaces command is shown.
router#show interfaces
Serial0/1/0 is up, line protocol is down
At which OSI layer should the administrator begin troubleshooting?- Aphysical
- Bdata link
- Cnetwork
- Dtransport
46Move the protocol or service on the left to a situation on the right where it would be used.
(Not all options are used.)- A
- B
- A
47What does the "Inside Global" address represent in the configuration of NAT?
- Athe summarized address for all of the internal subnetted addresses
- Bthe MAC address of the router used by inside hosts to connect to the Internet
- Ca globally unique, private IP address assigned to a host on the inside network
- Da registered address that represents an inside host to an outside network
48The ip helper-address command does what?
- Aassigns an IP address to a host
- Bresolves an IP address from a DNS server
- Crelays a DHCP request across networks
- Dresolves an IP address overlapping issue
49Which of the following statements are TRUE regarding Cisco access lists? (Choose two.)
- AIn an inbound access list, packets are filtered as they enter an interface
- BIn an inbound access list, packets are filtered before they exit an interface
- CExtended access lists are used to filter protocol-specific packets
- DYou must specify a deny statement at the end of each access list to filter unwanted
traffic. - EWhen a line is added to an existing access list, it is inserted at the beginning of the
access list.
50What is the best practice when assigning IP addresses in a small office of six hosts?
- AUse a DHCP server that is located at the headquarters
- BUse a DHCP server that is located at the branch office.
- CAssign the addresses by using the local CDP protocol
- DAssign the addresses statically on each node
51What happens when computers on a private network attempt to connect to the Internet
through a Cisco router running PAT?- AThe router uses the same IP address but a different TCP source port number for each
connection. - BAn IP address is assigned based on the priority of the computer requesting the
connection. - CThe router selects an address from a pool of one-to-one address mappings held in the
lookup table - DThe router assigns a unique IP address from a pool of legally registered addresses for
the duration of the connection
- AThe router uses the same IP address but a different TCP source port number for each
52A company wants to use NAT in the network shown. Which commands will apply the NAT
configuration to the proper interfaces? (Choose two.)
- AR1(config)# interface serial0/1
R1(config-if)# ip nat inside - BR1(config)# interface serial0/1
R1(config-if)# ip nat outside - CR1(config)# interface fastethernet0/0
R1(config-if)# ip nat inside - DR1(config)# interface fastethernet0/0
R1(config-if)# ip nat outside - ER1(config)# interface serial0/1
R1(config-if)# ip nat outside source pool 200.2.2.18 255.255.255.252 - FR1(config)# interface fastethernet0/0
R1(config-if)# ip nat inside source 10.10.0.0 255.255.255.0
- AR1(config)# interface serial0/1
53In the configuration of NAT, what does the keyword overload signify?
- AWhen bandwidth is insufficient, some hosts will not be allowed to access network
translation. - BThe pool of IP addresses has been exhausted
- CMultiple internal hosts will use one IP address to access external network resources.
- DIf the number of available IP addresses is exceeded, excess traffic will use the specified
address pool.
- AWhen bandwidth is insufficient, some hosts will not be allowed to access network
54How many addresses will be available for dynamic NAT translation when a router is
configured with the following commands?
Router(config)#ip nat pool TAME 209.165.201.23 209.165.201.30 netmask
255.255.255.224
Router(config)#ip nat inside source list 9 pool TAME- A7
- B8
- C9
- D10
- E24
- F32
55An administrator has connected devices to a switch and, for security reasons, wants the
dynamically learned MAC addresses from the address table added to the running
configuration.
What must be done to accomplish this?- AEnable port security and use the keyword sticky.
- BSet the switchport mode to trunk and save the running configuration
- CUse the switchport protected command to have the MAC addresses added to the
configuration. - DUse the no switchport port-security command to allow MAC addresses to be added to
the configuration.
56Host A can communicate with Host B but not with Hosts C or D. How can the network
administrator solve this problem?
- AConfigure Hosts C and D with IP addresses in the 192.168.2.0 network.
- BInstall a router and configure a route to route between VLANs 2 and 3.
- CInstall a second switch and put Hosts C and D on that switch while Hosts A and B
remain on the original switch - DEnable the VLAN trunking protocol on the switch.
57A company has placed a networked PC in a lobby so guests can have access to the
corporate directory.
A security concern is that someone will disconnect the directory PC and re-connect their
laptop computer and have access to the corporate network. For the port servicing the
lobby, which three configuration steps should be performed on the switch to prevent this?
(Choose three.)- AEnable port security.
- BCreate the port as a trunk port
- CCreate the port as an access port.
- DCreate the port as a protected port
- ESet the port security aging time to 0.
- FStatically assign the MAC address to the address table.
- GConfigure the switch to discover new MAC addresses after a set time of inactivity.
58What is the subnet broadcast address of the LAN connected to Router1?
- A192.168.8.15
- B192.168.8.31
- C192.168.8.63
- D192.168.8.127
59Select three options which are security issues with the current configuration of SwitchA.
(Choose three.)
- APrivilege mode is protected with an unencrypted password
- BInappropriate wording in banner message
- CVirtual terminal lines are protected only by a password requirement
- DBoth the username and password are weak
- ETelnet connections can be used to remotely manage the switch
- FCisco user will be granted privilege level 15 by default
60After the power-on-self test (POST), the system LED of a Cisco 2950 switch turns amber.
What is the status of the switch?
- AThe POST was successful
- BThe switch has a problem with the internal power supply and needs an external power
supply to be attached - CPOST failed and there is a problem that prevents the operating system from being
loaded. - DThe switch has experienced an internal problem but data can still be forwarded at a
slower rate. - EThe switch passed POST, but all the switch ports are busy.
61A network administrator is troubleshooting a connectivity problem on the serial interfaces.
The output from the show interfaces command on both routers shows that the serial
interface is up, line protocol is down. Given the partial output for the show running-config in
the exhibit, what is the most likely cause of this problem?
- AThe serial cable is bad.
- BThe MTU is incorrectly configured.
- CThe Layer 2 framing is misconfigured
- DThe IP addresses are not in the same subnet
62A network administrator has configured a Catalyst 2950 switch for remote management by
pasting into the console the configuration commands that are shown in the exhibit.
However, a Telnet session cannot be successfully established from a remote host. What
should be done to fix this problem?
- AChange the first line to interface fastethernet 0/1.
- BChange the first line to interface vlan 0/1.
- CChange the fifth line to ip default-gateway 192.168.17.241.
- DChange the fifth line to ip route 0.0.0.0 0.0.0.0 192.168.17.1.
- EChange the sixth line to line con 0.
63The two connected ports on the switch are not turning orange or green. What would be the
most effective steps to troubleshoot this physical layer problem? (Choose three.)
- AEnsure that the Ethernet encapsulations match on the interconnected router and switch
ports. - BEnsure that cables A and B are straight-through cables
- CEnsure cable A is plugged into a trunk port.
- DEnsure the switch has power
- EReboot all of the devices.
- FReseat all cables.
- AEnsure that the Ethernet encapsulations match on the interconnected router and switch
64If a host experiences intermittent issues that relate to congestion within a network while
remaining connected, what could cause congestion on this LAN?- Ahalf-duplex operation
- Bbroadcast storms
- Cnetwork segmentation
- Dmulticasting
65The network administrator is testing connectivity from the branch router to the newly installed application server. What is the most likely reason for the first ping having a
success rate of only 60 percent?
- AThe network is likely to be congested, with the result that packets are being
intermittently dropped. - BThe branch router had to resolve the application server MAC address.
- CThere is a short delay while NAT translates the server IP address
- DA routing table lookup delayed forwarding on the first two ping packets.
- EThe branch router LAN interface should be upgraded to FastEthernet
- AThe network is likely to be congested, with the result that packets are being
66Why did the device return this message?
- AThe command requires additional options or parameters
- BThere is no show command that starts with ru
- CThe command is being executed from the wrong router mode
- DThere is more than one show command that starts with the letters ru.
67Serial 0/0 does not respond to a ping request from a host on the FastEthernet 0/0 LAN.
How can this problem be corrected?
- AEnable the Serial 0/0 interface.
- BCorrect the IP address for Serial 0/0.
- CCorrect the IP address for FastEthernet 0/0
- DChange the encapsulation type on Serial 0/0
- EEnable autoconfiguration on the Serial 0/0 interface
68What are two recommended ways of protecting network device configuration files from
outside network security threats? (Choose two.)- AAllow unrestricted access to the console or VTY ports
- BUse a firewall to restrict access from the outside to the network devices
- CAlways use Telnet to access the device command line because its data is automatically
encrypted. - DUse SSH or another encrypted and authenticated transport to access device
configurations. - EPrevent the loss of passwords by disabling password encryption.
Information
- Description
- Quiz on Estudio 2, created by Elizabeth Martínez on 04/11/2016.
- Author
- Elizabeth Martínez
- Language
- Español
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