Download New Updated (June) Cisco 640-875 Practice Test 81-90

Ensurepass

 

QUESTION 81

Refer to the exhibit. Which two statements are true regarding the following configuration?

 

clip_image002

 

A.

Users are authenticated using RADIUS.

B.

TACACS+ is configured for remote AAA.

C.

A TACACS+ AAA server group is configured.

D.

A TACACS+ server can be reached through the GigabitEthernet0/1/0/1 interface.

E.

Logging is configured to the local database.

 

Correct Answer: BD

 

 

QUESTION 82

What is a the best way to secure the route processor on a Cisco device?

 

A.

Route processor traffic control

B.

Control plane quality of service

C.

Control plane policing

D.

Access lists

Correct Answer: C

 

 

QUESTION 83

Which best describes the relationship between user groups and task groups?

 

A.

User groups include task ID’s that are nested task groups.

B.

Groups can be nested within other groups.

C.

Tasks groups are not related to user groups.

D.

Task groups are assigned to user groups to established privileged levels.

 

Correct Answer: D

 

 

QUESTION 84

What is the Cisco IOS command that is used to prevent the route of the incoming traffic from an unknown network?

 

A.

Interface FastEthernet 0/0ip verify unicast source reachable-via any allow-default

B.

Interface FastEthernet 0/0ip verify multicast source reachable-via any allow-default

C.

Interface FastEthernet 0/0ip verify unicast destination reachable-via any allow-default

D.

Interface FastEthernet 0/0ip verify multicast destination reachable-via any allow-default

 

Correct Answer: A

 

 

QUESTION 85

Which three statements about the Cisco IOS XR task-based user authorization method are true? (Choose three.)

 

A.

A user’s association with a particular user group links that user to a particular set of task IDs. A user that is associated with a task ID can execute any operation associated with that task ID.

B.

Users can be assigned only to one user group.

C.

Every user group is associated with one or more task groups.

D.

Every task group is defined by a set of task IDs.

E.

Each user is assigned a privilege level.

F.

Each IOS XR CLI command is assigned a privilege level.

G.

A task ID maps the IOS XR command to a privilege level.

 

Correct Answer: ACD

 

 

QUESTION 86

Which three statements about Cisco Discovery Protocol operations on a Cisco ME3400 switch are true? (Choose three.)

 

A.

Cisco Discovery Protocol is enabled by default on NNI ports.

B.

Cisco Discovery Protocol is enabled by default on all NNI, ENI, and UNI ports.

C.

Cisco Discovery Protocol is disabled by default on ENI ports.

D.

Cisco Discovery Protocol is not supported on NNI or ENI ports.

E.

Cisco Discovery Protocol is not supported on UNI ports.

 

Correct Answer: ACE

QUESTION 87

Refer to the exhibit. Which statement about this show command output is true?

 

clip_image004

 

A.

The S78 switch is performing remote-SPAN.

B.

All traffic that ports Fa0/1, Fa0/2, Fa0/3, and Fa0/4 send and receive is monitored.

C.

All traffic that port Gi0/1 sends and receives is monitored.

D.

The sniffer (network analyzer) should be connected to the Gi0/1 port.

E.

The SPAN destination interface replicates the source interface encapsulation method.

 

Correct Answer: D

 

 

QUESTION 88

Currently, a Cisco IOS XR router is configured to send IP SLA probes to a network management station that is acting as the IP SLA target device. How can IP SLA measurement accuracy be improved and also provide additional statistics?

 

A.

Use ICMP echo probes instead of UDP echo probes.

B.

Configure another Cisco router as the target and enable that other Cisco router for IP SLA Responder operations.

C.

Increase the rate (frequency) at which a specified IP SLA operation is sent into the network.

D.

Use UDP echo probes instead of ICMP echo probes and enable UDP echo service on the target network management station.

E.

Enable IP SLA Responder service on the target network management station.

 

Correct Answer: B

 

 

QUESTION 89

Refer to the exhibit. Which three statements about this show output are true? (Choose three.)

 

 

A.

Logging to the circular logging buffer has been disabled.

B.

All severity levels messages can be logged to the terminal lines other than the console.

C.

The logging facility has been set to “critical”.

D.

Messages with Severity Levels 0, 1, and 2 are sent to the syslog server.

E.

169 messages have been sent to the syslog server.

F.

The logging buffer size is set to 8192 bytes.

 

Correct Answer: ABD

 

 

QUESTION 90

Which two statements about Cisco IOS XR NTP configuration are true? (Choose two.)

 

A.

A network device can obtain NTP time information in three ways: polling the NTP server, listening to NTP broadcasts, and listening to NTP multicasts.

B.

NTP authentication supports MD5, SHA1, or SHA2.

C.

Client mode is a peer-to-peer mode.

D.

The two types of poll-based NTP associations are client mode and symmetric active mode.

E.

The Cisco IOS-XR implementation of NTP supports stratum 1 service.

F.

In client mode, clients can dynamically learn the NTP sever IP address by listening to the NTP server broadcasts or multicasts.

 

Correct Answer: AD

 

 

 

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