Free Download New Updated Cisco CCIE R&S 400-101 Real Exam Questions and Answers 121-130

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QUESTION 121

Which set of commands conditionally advertises 172.16.0.0/24 as long as 10.10.10.10/32 is in the routing table?

 

A.

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B.

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C.

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D.

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Correct Answer: B

 

 

QUESTION 122

Refer to the exhibit. Why is R2 unable to ping the loopback interface of R4?

 

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A.

The local preference is too high.

B.

The weight is too low.

C.

The next hop is not reachable from R2.

D.

The route originated from within the same AS.

 

Correct Answer: C

 

 

QUESTION 123

Refer to the exhibit. Which two statements about the output are true? (Choose two.)

 

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A.

802.1D spanning tree is being used.

B.

Setting the priority of this switch to 0 for VLAN 1 would cause it to become the new root.

C.

The hello, max-age, and forward delay timers are not set to their default values.

D.

Spanning-tree PortFast is enabled on GigabitEthernet1/1.

 

Correct Answer: AB

 

 

QUESTION 124

Which statement about the BGP originator ID is true?

 

A.

The route reflector always sets the originator ID to its own router ID.

B.

The route reflector sets the originator ID to the router ID of the route reflector client that injects the route into the AS.

C.

The route reflector client that injects the route into the AS sets the originator ID to its own router ID.

D.

The originator ID is set to match the cluster ID.

 

Correct Answer: B

 

 

QUESTION 125

Refer to the exhibit. Which two statements are true? (Choose two.)

 

clip_image010

 

A.

This router is not 4-byte autonomous system aware.

B.

This router is 4-byte autonomous system aware.

C.

The prefix 10.100.1.1/32 was learned through an autonomous system number with a length of 4 bytes, and this router is 4-byte autonomous system aware.

D.

The prefix 10.100.1.1/32 was learned through an autonomous system number with a length of 4 bytes, and this router is not 4-byte autonomous system aware.

E.

The prefix 10.100.1.1/32 was originated from a 4-byte autonomous system.

 

Correct Answer: AD

 

 

QUESTION 126

Refer to the exhibit. Which command is configured on this router?

 

clip_image012

 

A.

bgp update-delay 60

B.

neighbor 10.100.1.1 maximum-prefix 200

C.

neighbor 10.100.1.1 maximum-path 2

D.

neighbor 10.100.1.1 ebgp-multihop 2

 

Correct Answer: B

 

 

QUESTION 127

What is the purpose of Route Target Constraint?

 

A.

to avoid using route reflectors in MPLS VPN networks

B.

to avoid using multiple route distinguishers per VPN in MPLS VPN networks

C.

to be able to implement VPLS with BGP signaling

D.

to avoid sending unnecessary BGP VPNv4 or VPNv6 updates to the PE router

E.

to avoid BGP having to perform route refreshes

 

Correct Answer: D

 

 

QUESTION 128

Refer to the exhibit. Why is network 172.16.1.0/24 not installed in the routing table?

 

clip_image013

 

A.

There is no ARP entry for 192.168.1.1.

B.

The router cannot ping 192.168.1.1.

C.

The neighbor 192.168.1.1 just timed out and BGP will flush this prefix the next time that the BGP scanner runs.

D.

There is no route for 192.168.1.1 in the routing table.

 

Correct Answer: D

 

 

QUESTION 129

Which two statements about port ACLs are true? (Choose two.)

 

A.

Port ACLs are supported on physical interfaces and are configured on a Layer 2 interface on a switch.

B.

Port ACLs support both outbound and inbound traffic filtering.

C.

When it is applied to trunk ports, the port ACL filters only native VLAN traffic.

D.

When it is applied to a port with voice VLAN, the port ACL filters both voice and data VLAN traffic.

 

Correct Answer: AD

 

 

QUESTION 130

Which two statements about private VLANs are true? (Choose two.)

 

A.

Only one isolated VLAN can be mapped to a primary VLAN.

B.

Only one community VLAN can be mapped to a primary VLAN.

C.

Multiple isolated VLANs can be mapped to a primary VLAN.

D.

Multiple community VLANs can be mapped to a primary VLAN.

 

Correct Answer: AD

 

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