CCNA Part 3

Questão 1 de 79

1

A network administrator attempts to ping Host2 from Host1 and receives the results that are shown. What is the problem?

Selecione uma das seguintes:

The link between Host1 and Switch1 is down.
TCP/IP is not functioning on Host1
The link between Router1 and Router2 is down.
The default gateway on Host1 is incorrect.
Interface Fa0/0 on Router1 is shutdown.
The link between Switch1 and Router1 is down.

Explicação

Questão 2 de 79

1

Hosts in network 192.168.2.0 are unable to reach hosts in network 192.168.3.0. Based on the output from RouterA, what are two possible reasons for the failure? (Choose two.)

Selecione uma ou mais das seguintes:

The cable that is connected to S0/0 on RouterA is faulty.
Interface S0/0 on RouterB is administratively down.
Interface S0/0 on RouterA is configured with an incorrect subnet mask.
The IP address that is configured on S0/0 of RouterB is not in the correct subnet.
Interface S0/0 on RouterA is not receiving a clock signal from the CSU/DSU.
The encapsulation that is configured on S0/0 of RouterB does not match the encapsulation that is configured on S0/0 of RouterA.

Explicação

Questão 3 de 79

1

An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?

Selecione uma das seguintes:

data link layer
application layer
access layer
session layer
network layer

Explicação

Questão 4 de 79

1

The 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.)

Selecione uma ou mais das seguintes:

Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.
Ensure that cables A and B are straight-through cables.
Ensure cable A is plugged into a trunk port.
Ensure the switch has power.
Reboot all of the devices.
Reseat all cables.

Explicação

Questão 5 de 79

1

The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems? (Choose two.)

Selecione uma ou mais das seguintes:

Configure the gateway on Host A as 10.1.1.1.
Configure the gateway on Host B as 10.1.2.254.
Configure the IP address of Host A as 10.1.2.2.
Configure the IP address of Host B as 10.1.2.2.
Configure the masks on both hosts to be 255.255.255.224.
Configure the masks on both hosts to be 255.255.255.240.

Explicação

Questão 6 de 79

1

A problem with network connectivity has been observed. It is suspected that the cable connected to switch port Fa0/9 on Switch1 is disconnected. What would be an effect of this cable being disconnected?

Selecione uma das seguintes:

Host B would not be able to access the server in VLAN9 until the cable is reconnected.
Communication between VLAN3 and the other VLANs would be disabled.
The transfer of files from Host B to the server in VLAN9 would be significantly slower.
For less than a minute, Host B would not be able to access the server in VLAN9. Then normal network function would resume.

Explicação

Questão 7 de 79

1

HostA cannot ping HostB. Assuming routing is properly configured, what is the cause of this problem?

Selecione uma das seguintes:

HostA is not on the same subnet as its default gateway.
The address of SwitchA is a subnet address.
The Fa0/0 interface on RouterA is on a subnet that can't be used.
The serial interfaces of the routers are not on the same subnet.
The Fa0/0 interface on RouterB is using a broadcast address.

Explicação

Questão 8 de 79

1

Which router IOS commands can be used to troubleshoot LAN connectivity problems? (Choose three.)

Selecione uma ou mais das seguintes:

ping
tracert
ipconfig
show ip route
winipcfg
show interfaces

Explicação

Questão 9 de 79

1

A 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?

Selecione uma das seguintes:

The OSPF area is not configured properly.
The priority on R1 should be set higher.
The cost on R1 should be set higher.
The hello and dead timers are not configured properly.
A backup designated router needs to be added to the network.
The OSPF process ID numbers must match.

Explicação

Questão 10 de 79

1

In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?

Selecione uma das seguintes:

during high traffic periods
after broken links are re-established
when upper-layer protocols require high reliability
in an improperly implemented redundant topology
when a dual ring topology is in use

Explicação

Questão 11 de 79

1

The output of the show frame-relay pvc command shows "PVC STATUS = INACTIVE". What does this mean?

Selecione uma das seguintes:

The PVC is configured correctly and is operating normally, but no data packets have been detected for more than five minutes.
The PVC is configured correctly, is operating normally, and is no longer actively seeking the address of the remote router.
The PVC is configured correctly, is operating normally, and is waiting for interesting traffic to trigger a call to the remote router.
The PVC is configured correctly on the local switch, but there is a problem on the remote end of the PVC.
The PVC is not configured on the local switch.

Explicação

Questão 12 de 79

1

In the Frame Relay network, which IP addresses would be assigned to the interfaces with point-to-point PVCs?

Selecione uma das seguintes:

DLCI 16: 192.168.10.1 /24
DLCI 17: 192.168.10.1 /24
DLCI 99: 192.168.10.2 /24
DLCI 28: 192.168.10.3 /24
DLCI 16: 192.168.10.1 /24
DLCI 17: 192.168.11.1 /24
DLCI 99: 192.168.12.1 /24
DLCI 28: 192.168.13.1 /24
DLCI 16: 192.168.10.1 /24
DLCI 17: 192.168.11.1 /24
DLCI 99: 192.168.10.2 /24
DLCI 28: 192.168.11.2 /24
DLCI 16: 192.168.10.1 /24
DLCI 17: 192.168.10.2 /24
DLCI 99: 192.168.10.3 /24
DLCI 28: 192.168.10.4 /24

Explicação

Questão 13 de 79

1

Which command is used to enable CHAP authentication, with PAP as the fallback method, on a serial interface?

Selecione uma das seguintes:

Router(config-if)# ppp authentication chap fallback ppp
Router(config-if)# ppp authentication chap pap
Router(config-if)# authentication ppp chap fallback ppp
Router(config-if)# authentication ppp chap pap

Explicação

Questão 14 de 79

1

Which protocol is an open standard protocol framework that is commonly used in VPNs, to provide secure end-to-end communications?

Selecione uma das seguintes:

RSA
L2TP
IPsec
PPTP

Explicação

Questão 15 de 79

1

Which protocol is an open standard protocol framework that is commonly used in VPNs, to provide secure end-to-end communications?

Selecione uma das seguintes:

RSA
L2TP
IPsec
PPTP

Explicação

Questão 16 de 79

1

At which layer of the OSI model does PPP perform?

Selecione uma das seguintes:

Layer 2
Layer 3
Layer 4
Layer 5

Explicação

Questão 17 de 79

1

The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command?

Selecione uma das seguintes:

This command should be executed from the global configuration mode.
The IP address 10.121.16.8 is the local router port used to forward data.
102 is the remote DLCI that will receive the information.
This command is required for all Frame Relay configurations.
The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC.

Explicação

Questão 18 de 79

1

Which two options are valid WAN connectivity methods? (Choose two.)

Selecione uma ou mais das seguintes:

PPP
WAP
DSL
L2TPv3
Ethernet

Explicação

Questão 19 de 79

1

Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits and has built-in security mechanisms?

Selecione uma das seguintes:

HDLC
PPP
X.25
Frame Relay

Explicação

Questão 20 de 79

1

Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?

Selecione uma das seguintes:

IETF
ANSI Annex D
Q9333-A Annex A
HDLC

Explicação

Questão 21 de 79

1

RouterA is unable to reach RouterB. Both routers are running IOS version 12.0.
After reviewing the command output and graphic, what is the most likely cause of the problem?

Selecione uma das seguintes:

incorrect bandwidth configuration
incorrect LMI configuration
incorrect map statement
incorrect IP address

Explicação

Questão 22 de 79

1

What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown?

Selecione uma das seguintes:

The Serial0/0 interface is passing traffic.
The DLCI 100 was dynamically allocated by the router.
The Serial0/0 interface acquired the IP address of 172.16.3.1 from a DHCP server.
The DLCI 100 will be dynamically changed as required to adapt to changes in the Frame Relay cloud.
The mapping between DLCI 100 and the end station IP address 172.16.3.1 was learned through Inverse ARP.

Explicação

Questão 23 de 79

1

A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-Cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?

Selecione uma das seguintes:

Main(config)# interface serial 0/0
Main(config-if)# ip address 172.16.1.1 255.255.255.252
Main(config-if)# no shut
Main(config)# interface serial 0/0
Main(config-if)# ip address 172.16.1.1 255.255.255.252
Main(config-if)# encapsulation ppp
Main(config-if)# no shut
Main(config)# interface serial 0/0
Main(config-if)# ip address 172.16.1.1 255.255.255.252
Main(config-if)# encapsulation frame-relay
Main(config-if)# authentication chap
Main(config-if)# no shut
Main(config)# interface serial 0/0
Main(config-if)#ip address 172.16.1.1 255.255.255.252
Main(config-if)#encapsulation ietf
Main(config-if)# no shut

Explicação

Questão 24 de 79

1

A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-Cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?

Selecione uma das seguintes:

Main(config)# interface serial 0/0
Main(config-if)# ip address 172.16.1.1 255.255.255.252
Main(config-if)# no shut
Main(config)# interface serial 0/0
Main(config-if)# ip address 172.16.1.1 255.255.255.252
Main(config-if)# encapsulation ppp
Main(config-if)# no shut
Main(config)# interface serial 0/0
Main(config-if)# ip address 172.16.1.1 255.255.255.252
Main(config-if)# encapsulation frame-relay
Main(config-if)# authentication chap
Main(config-if)# no shut
Main(config)# interface serial 0/0
Main(config-if)#ip address 172.16.1.1 255.255.255.252
Main(config-if)#encapsulation ietf
Main(config-if)# no shut

Explicação

Questão 25 de 79

1

What are three reasons that an organization with multiple branch offices and roaming users might implement a Cisco VPN solution instead of point-to-point WAN links? (Choose three.)

Selecione uma ou mais das seguintes:

reduced cost
better throughput
broadband incompatibility
increased security
scalability
reduced latency

Explicação

Questão 26 de 79

1

Which two statistics appear in show frame-relay map output? (Choose two.)

Selecione uma ou mais das seguintes:

the number of BECN packets that are received by the router
the value of the local DLCI
the number of FECN packets that are received by the router
the status of the PVC that is configured on the router
the IP address of the local router

Explicação

Questão 27 de 79

1

Users have been complaining that their Frame Relay connection to the corporate site is very slow. The network administrator suspects that the link is overloaded.
Based on the partial output of the Router# show frame relay pvc command shown in the graphic, which output value indicates to the local router that traffic sent to the corporate site is experiencing congestion?

Selecione uma das seguintes:

DLCI = 100
last time PVC status changed 00:25:40
in BECN packets 192
in FECN packets 147
in DE packets 0

Explicação

Questão 28 de 79

1

Which command allows you to verify the encapsulation type (CISCO or IETF) for a Frame Relay link?

Selecione uma das seguintes:

show frame-relay lmi
show frame-relay map
show frame-relay pvc
show interfaces serial

Explicação

Questão 29 de 79

1

It has become necessary to configure an existing serial interface to accept a second Frame Relay virtual circuit. Which of the following procedures are required to accomplish this task? (Choose three.)

Selecione uma ou mais das seguintes:

Remove the IP address from the physical interface.
Encapsulate the physical interface with multipoint PPP.
Create the virtual interfaces with the interface command.
Configure each subinterface with its own IP address.
Disable split horizon to prevent routing loops between the subinterface networks.
Configure static Frame Relay map entries for each subinterface network.

Explicação

Questão 30 de 79

1

What occurs on a Frame Relay network when the CIR is exceeded?

Selecione uma das seguintes:

All TCP traffic is marked discard eligible.
All UDP traffic is marked discard eligible and a BECN is sent.
All TCP traffic is marked discard eligible and a BECN is sent.
All traffic exceeding the CIR is marked discard eligible.

Explicação

Questão 31 de 79

1

Which two statements about using the CHAP authentication mechanism in a PPP link are true?
(Choose two.)

Selecione uma ou mais das seguintes:

CHAP uses a two-way handshake.
CHAP uses a three-way handshake.
CHAP authentication periodically occurs after link establishment.
CHAP authentication passwords are sent in plaintext.
CHAP authentication is performed only upon link establishment.
CHAP has no protection from playback attacks.

Explicação

Questão 32 de 79

1

Which statement describes DLCI 17?

Selecione uma das seguintes:

DLCI 17 describes the ISDN circuit between R2 and R3.
DLCI 17 describes a PVC on R2. It cannot be used on R3 or R1.
DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.
DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider.

Explicação

Questão 33 de 79

1

What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?

Selecione uma das seguintes:

defines the destination IP address that is used in all broadcast packets on DCLI 202
defines the source IP address that is used in all broadcast packets on DCLI 202
defines the DLCI on which packets from the 192.168.1.2 IP address are received
defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address

Explicação

Questão 34 de 79

1

Which PPP subprotocol negotiates authentication options?

Selecione uma das seguintes:

NCP
ISDN
SLIP
LCP
DLCI

Explicação

Questão 35 de 79

1

What are two characteristics of Frame Relay point-to-point subinterfaces? (Choose two.)

Selecione uma ou mais das seguintes:

They create split-horizon issues.
They require a unique subnet within a routing domain.
They emulate leased lines.
They are ideal for full-mesh topologies.
They require the use of NBMA options when using OSPF.

Explicação

Questão 36 de 79

1

What command is used to verify the DLCI destination address in a Frame Relay static configuration?

Selecione uma das seguintes:

show frame-relay pvc
show frame-relay lmi
show frame-relay map
show frame relay end-to-end

Explicação

Questão 37 de 79

1

What is the purpose of Inverse ARP?

Selecione uma das seguintes:

to map a known IP address to a MAC address
to map a known DLCI to a MAC address
to map a known MAC address to an IP address
to map a known DLCI to an IP address
to map a known IP address to a SPID
to map a known SPID to a MAC address

Explicação

Questão 38 de 79

1

What is a valid HSRP virtual MAC address?

Selecione uma das seguintes:

0000.5E00.01A3
0007.B400.AE01
0000.0C07.AC15
0007.5E00.B301

Explicação

Questão 39 de 79

1

In GLBP, which router will respond to client ARP requests?

Selecione uma das seguintes:

The active virtual gateway will reply with one of four possible virtual MAC addresses.
All GLBP member routers will reply in round-robin fashion.
The active virtual gateway will reply with its own hardware MAC address.
The GLBP member routers will reply with one of four possible burned in hardware addresses.

Explicação

Questão 40 de 79

1

Which statement describes VRRP object tracking?

Selecione uma das seguintes:

It monitors traffic flow and link utilization.
It ensures the best VRRP router is the virtual router master for the group.
It causes traffic to dynamically move to higher bandwidth links.
It thwarts man-in-the-middle attacks.

Explicação

Questão 41 de 79

1

What are three benefits of GLBP? (Choose three.)

Selecione uma ou mais das seguintes:

GLBP supports up to eight virtual forwarders per GLBP group.
GLBP supports clear text and MD5 password authentication between GLBP group members.
GLBP is an open source standardized protocol that can be used with multiple vendors.
GLBP supports up to 1024 virtual routers.
GLBP can load share traffic across a maximum of four routers.
GLBP elects two AVGs and two standby AVGs for redundancy.

Explicação

Questão 42 de 79

1

Which three statements about HSRP operation are true? (Choose three.)

Selecione uma ou mais das seguintes:

The virtual IP address and virtual MA+K44C address are active on the HSRP Master router.
The HSRP default timers are a 3 second hello interval and a 10 second dead interval.
HSRP supports only clear-text authentication.
The HSRP virtual IP address must be on a different subnet than the routers' interfaces on the same LAN.
The HSRP virtual IP address must be the same as one of the router's interface addresses on the LAN.
HSRP supports up to 255 groups per interface, enabling an administrative form of load balancing.

Explicação

Questão 43 de 79

1

Which three statements about Syslog utilization are true? (Choose three.)

Selecione uma ou mais das seguintes:

Utilizing Syslog improves network performance.
The Syslog server automatically notifies the network administrator of network problems.
A Syslog server provides the storage space necessary to store log files without using router disk space.
There are more Syslog messages available within Cisco IOS than there are comparable SNMP trap messages.
Enabling Syslog on a router automatically enables NTP for accurate time stamping.
A Syslog server helps in aggregation of logs and alerts.

Explicação

Questão 44 de 79

1

A network administrator enters the following command on a router: logging trap 3. What are three message types that will be sent to the Syslog server? (Choose three.)

Selecione uma ou mais das seguintes:

informational
emergency
warning
critical
debug
error

Explicação

Questão 45 de 79

1

What is the default Syslog facility level?

Selecione uma das seguintes:

local4
local5
local6
local7

Explicação

Questão 46 de 79

1

What command instructs the device to timestamp Syslog debug messages in milliseconds?

Selecione uma das seguintes:

service timestamps log datetime localtime
service timestamps debug datetime msec
service timestamps debug datetime localtime
service timestamps log datetime msec

Explicação

Questão 47 de 79

1

What is the cause of the Syslog output messages?

Selecione uma das seguintes:

The EIGRP neighbor on Fa0/1 went down due to a failed link.
The EIGRP neighbor connected to Fa0/1 is participating in a different EIGRP process, causing the adjacency to go down.
A shut command was executed on interface Fa0/1, causing the EIGRP adjacency to go down.
Interface Fa0/1 has become error disabled, causing the EIGRP adjacency to go down.

Explicação

Questão 48 de 79

1

What are three components that comprise the SNMP framework? (Choose three.)

Selecione uma ou mais das seguintes:

MIB
agent
set
AES
supervisor
manager

Explicação

Questão 49 de 79

1

What SNMP message alerts the manager to a condition on the network?

Selecione uma das seguintes:

response
get
trap
capture

Explicação

Questão 50 de 79

1

What authentication type is used by SNMPv2?

Selecione uma das seguintes:

HMAC-MD5
HMAC-SHA
CBC-DES
community strings

Explicação

Questão 51 de 79

1

Which three statements about the features of SNMPv2 and SNMPv3 are true? (Choose three.)

Selecione uma ou mais das seguintes:

SNMPv3 enhanced SNMPv2 security features.
SNMPv3 added the Inform protocol message to SNMP.
SNMPv2 added the Inform protocol message to SNMP.
SNMPv3 added the GetBulk protocol messages to SNMP.
SNMPv2 added the GetBulk protocol message to SNMP.
SNMPv2 added the GetNext protocol message to SNMP.

Explicação

Questão 52 de 79

1

What are three reasons to collect Netflow data on a company network? (Choose three.)

Selecione uma ou mais das seguintes:

To identify applications causing congestion.
To authorize user network access.
To report and alert link up / down instances.
To diagnose slow network performance, bandwidth hogs, and bandwidth utilization.
To detect suboptimal routing in the network.
To confirm the appropriate amount of bandwidth that has been allocated to each Class of Service.

Explicação

Questão 53 de 79

1

What Netflow component can be applied to an interface to track IPv4 traffic?

Selecione uma das seguintes:

flow monitor
flow record
flow sampler
flow exporter

Explicação

Questão 54 de 79

1

What Cisco IOS feature can be enabled to pinpoint an application that is causing slow network performance?

Selecione uma das seguintes:

SNMP
Netflow
WCCP
IP SLA

Explicação

Questão 55 de 79

1

What command visualizes the general NetFlow data on the command line?

Selecione uma das seguintes:

show ip flow export
show ip flow top-talkers
show ip cache flow
show mls sampling
show mls netflow ip

Explicação

Questão 56 de 79

1

What are three values that must be the same within a sequence of packets for Netflow to consider them a network flow? (Choose three.)

Selecione uma ou mais das seguintes:

source IP address
source MAC address
egress interface
ingress interface
destination IP address
IP next-hop

Explicação

Questão 57 de 79

1

What are three factors a network administrator must consider before implementing Netflow in the network? (Choose three.)

Selecione uma ou mais das seguintes:

CPU utilization
where Netflow data will be sent
number of devices exporting Netflow data
port availability
SNMP version
WAN encapsulation

Explicação

Questão 58 de 79

1

A network administrator is configuring an EtherChannel between SW1 and SW2. The SW1 configuration is shown. What is the correct configuration for SW2?

Selecione uma das seguintes:

interface FastEthernet 0/1
channel-group 1 mode active
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/2
channel-group 1 mode active
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/1
channel-group 2 mode auto
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/2
channel-group 2 mode auto
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/1
channel-group 1 mode desirable
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/2
channel-group 1 mode desirable
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/1
channel-group 1 mode passive
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/2
channel-group 1 mode passive
switchport trunk encapsulation dot1q
switchport mode trunk

Explicação

Questão 59 de 79

1

Which two statements about the OSPF Router ID are true? (Choose two.)

Selecione uma ou mais das seguintes:

It identifies the source of a Type 1 LSA.
It should be the same on all routers in an OSPF routing instance.
By default, the lowest IP address on the router becomes the OSPF Router ID.
The router automatically chooses the IP address of a loopback as the OSPF Router ID.
It is created using the MAC Address of the loopback interface.

Explicação

Questão 60 de 79

1

What parameter can be different on ports within an EtherChannel?

Selecione uma das seguintes:

speed
DTP negotiation settings
trunk encapsulation
duplex

Explicação

Questão 61 de 79

1

What are two benefits of using a single OSPF area network design? (Choose two.)

Selecione uma ou mais das seguintes:

It is less CPU intensive for routers in the single area.
It reduces the types of LSAs that are generated.
It removes the need for virtual links.
It increases LSA response times.
It reduces the number of required OSPF neighbor adjacencies.

Explicação

Questão 62 de 79

1

What set of commands was configured on interface Fa0/3 to produce the given output?

Selecione uma das seguintes:

interface FastEthernet 0/3
channel-group 1 mode desirable
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/3
channel-group 2 mode passive
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/3
channel-group 2 mode active
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet 0/3
channel-group 2 mode on
switchport trunk encapsulation dot1q
switchport mode trunk

Explicação

Questão 63 de 79

1

What are two enhancements that OSPFv3 supports over OSPFv2? (Choose two.)

Selecione uma ou mais das seguintes:

It requires the use of ARP.
It can support multiple IPv6 subnets on a single link.
It supports up to 2 instances of OSPFv3 over a common link.
It routes over links rather than over networks.

Explicação

Questão 64 de 79

1

If the devices produced the given output, what is the cause of the EtherChannel problem?

Selecione uma das seguintes:

SW1's Fa0/1 interface is administratively shut down.
There is an encapsulation mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.
There is an MTU mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.
There is a speed mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.

Explicação

Questão 65 de 79

1

When a router undergoes the exchange protocol within OSPF, in what order does it pass through each state?

Selecione uma das seguintes:

exstart state > loading state > exchange state > full state
exstart state > exchange state > loading state > full state
exstart state > full state > loading state > exchange state
loading state > exchange state > full state > exstart state

Explicação

Questão 66 de 79

1

A network administrator creates a layer 3 EtherChannel, bundling four interfaces into channel group 1. On what interface is the IP address configured?

Selecione uma das seguintes:

the port-channel 1 interface
the highest number member interface
all member interfaces
the lowest number member interface

Explicação

Questão 67 de 79

1

What command sequence will configure a router to run OSPF and add network 10.1.1.0 /24 to area 0?

Selecione uma das seguintes:

router ospf area 0
network 10.1.1.0 255.255.255.0 area 0
router ospf
network 10.1.1.0 0.0.0.255
router ospf 1
network 10.1.1.0 0.0.0.255 area 0
router ospf area 0
network 10.1.1.0 0.0.0.255 area 0
router ospf
network 10.1.1.0 255.255.255.0 area 0
router ospf 1
network 10.1.1.0 0.0.0.255

Explicação

Questão 68 de 79

1

If the router Cisco returns the given output and has not had its router ID set manually, what value will OSPF use as its router ID?

Selecione uma das seguintes:

192.168.1.1
172.16.1.1
1.1.1.1
2.2.2.2

Explicação

Questão 69 de 79

1

What OSPF command, when configured, will include all interfaces into area 0?

Selecione uma das seguintes:

network 0.0.0.0 255.255.255.255 area 0
network 0.0.0.0 0.0.0.0 area 0
network 255.255.255.255 0.0.0.0 area 0
network all-interfaces area 0

Explicação

Questão 70 de 79

1

Which statement describes the process ID that is used to run OSPF on a router?

Selecione uma das seguintes:

It is globally significant and is used to represent the AS number.
It is locally significant and is used to identify an instance of the OSPF database.
It is globally significant and is used to identify OSPF stub areas.
It is locally significant and must be the same throughout an area.

Explicação

Questão 71 de 79

1

Which three are the components of SNMP? (Choose three)

Selecione uma ou mais das seguintes:

MIB
SNMP Manager
SysLog Server
SNMP Agent
Set

Explicação

Questão 72 de 79

1

What are the Popular destinations for syslog messages to be saved?

Selecione uma ou mais das seguintes:

Flash
The logging buffer .RAM
The console terminal
Other terminals
Syslog server

Explicação

Questão 73 de 79

1

Syslog was configured with a level 3 trap. Which 3 types of logs would be generated (choose three)

Selecione uma ou mais das seguintes:

Emergencies
Alerts
Critical
Errors
Warnings

Explicação

Questão 74 de 79

1

What are the benefit of using Netflow? (Choose three.)

Selecione uma ou mais das seguintes:

Network, Application & User Monitoring
Network Planning
Security Analysis
Accounting/Billing

Explicação

Questão 75 de 79

1

Which protocol can cause overload on a CPU of a managed device?

Selecione uma das seguintes:

Netflow
WCCP
IP SLA
SNMP

Explicação

Questão 76 de 79

1

What are the three things that the Netflow uses to consider the traffic to be in a same flow?

Selecione uma ou mais das seguintes:

IP address
Interface name
Port numbers
L3 protocol type
MAC address

Explicação

Questão 77 de 79

1

What is the alert message generated by SNMP agents called ?

Selecione uma ou mais das seguintes:

TRAP
INFORM
GET
SET

Explicação

Questão 78 de 79

1

Which three features are added in SNMPv3 over SNMPv2?

Selecione uma ou mais das seguintes:

Message Integrity
Compression
Authentication
Encryption
Error Detection

	Criado por Axiom42 quase 10 anos atrás

Practice exam for 200-120 exam Questions for the following Topics Topic 7: Troubleshooting Topic 8: WAN Technologies Topic 9: Mix Questions Set

CCNA Part 3

Questão 1 de 79

A network administrator attempts to ping Host2 from Host1 and receives the results that are shown. What is the problem?

Selecione uma das seguintes:

Explicação

Questão 2 de 79

Hosts in network 192.168.2.0 are unable to reach hosts in network 192.168.3.0. Based on the output from RouterA, what are two possible reasons for the failure? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 3 de 79

An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?

Selecione uma das seguintes:

Explicação

Questão 4 de 79

The 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.)

Selecione uma ou mais das seguintes:

Explicação

Questão 5 de 79

The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 6 de 79

A problem with network connectivity has been observed. It is suspected that the cable connected to switch port Fa0/9 on Switch1 is disconnected. What would be an effect of this cable being disconnected?

Selecione uma das seguintes:

Explicação

Questão 7 de 79

HostA cannot ping HostB. Assuming routing is properly configured, what is the cause of this problem?

Selecione uma das seguintes:

Explicação

Questão 8 de 79

Which router IOS commands can be used to troubleshoot LAN connectivity problems? (Choose three.)

Selecione uma ou mais das seguintes:

Explicação

Questão 9 de 79

Selecione uma das seguintes:

Explicação

Questão 10 de 79

In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?

Selecione uma das seguintes:

Explicação

Questão 11 de 79

The output of the show frame-relay pvc command shows "PVC STATUS = INACTIVE". What does this mean?

Selecione uma das seguintes:

Explicação

Questão 12 de 79

In the Frame Relay network, which IP addresses would be assigned to the interfaces with point-to-point PVCs?

Selecione uma das seguintes:

Explicação

Questão 13 de 79

Which command is used to enable CHAP authentication, with PAP as the fallback method, on a serial interface?

Selecione uma das seguintes:

Explicação

Questão 14 de 79

Which protocol is an open standard protocol framework that is commonly used in VPNs, to provide secure end-to-end communications?

Selecione uma das seguintes:

Explicação

Questão 15 de 79

Which protocol is an open standard protocol framework that is commonly used in VPNs, to provide secure end-to-end communications?

Selecione uma das seguintes:

Explicação

Questão 16 de 79

At which layer of the OSI model does PPP perform?

Selecione uma das seguintes:

Explicação

Questão 17 de 79

The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command?

Selecione uma das seguintes:

Explicação

Questão 18 de 79

Which two options are valid WAN connectivity methods? (Choose two.)

Selecione uma ou mais das seguintes:

Explicação

Questão 19 de 79

Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits and has built-in security mechanisms?

Selecione uma das seguintes:

Explicação

Questão 20 de 79

Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?

Selecione uma das seguintes:

RouterA is unable to reach RouterB. Both routers are running IOS version 12.0.
After reviewing the command output and graphic, what is the most likely cause of the problem?

Which two statements about using the CHAP authentication mechanism in a PPP link are true?
(Choose two.)