Latest Cisco CCIE 400-101 Real Exam Download 41-50

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QUESTION 41

Refer to the exhibit. Service provider SP 1 is running the MPLS-VPN service. The MPLS core network has MP-BGP configured with RR-1 as route reflector. What will be the effect on traffic between PE1 and PE2 if router P1 goes down?

 

clip_image002

 

A.

No effect, because all traffic between PE1 and PE2 will be rerouted through P2.

B.

No effect, because P1 was not the only P router in the forwarding path of traffic.

C.

No effect, because RR-1 will find an alternative path for MP-BGP sessions to PE-1 and PE-2.

D.

All traffic will be lost because RR-1 will lose the MP-BGP sessions to PE-1 and PE-2.

 

Answer: D

 

 

QUESTION 42

According to RFC 4577, OSPF for BGP/MPLS IP VPNs, when must the down bit be set?

 

A.

when an OSPF route is distributed from the PE to the CE, for Type 3 LSAs

B.

when an OSPF route is distributed from the PE to the CE, for Type 5 LSAs

C.

when an OSPF route is distributed from the PE to the CE, for Type 3 and Type 5 LSAs

D.

when an OSPF route is distributed from the PE to the CE, for all types of LSAs

 

Answer: C

 

 

QUESTION 43

Refer to the exhibit. What is a possible reason for the IPSEC tunnel not establishing?

clip_image003

A.

The peer is unreachable.

B.

The transform sets do not match.

C.

The proxy IDs are invalid.

D.

The access lists do not match.

 

Answer: D

 

 

QUESTION 44

What is a key advantage of Cisco GET VPN over DMVPN?

 

A.

Cisco GET VPN provides zero-touch deployment of IPSEC VPNs.

B.

Cisco GET VPN supports certificate authentication for tunnel establishment.

C.

Cisco GET VPN has a better anti-replay mechanism.

D.

Cisco GET VPN does not require a secondary overlay routing infrastructure.

 

Answer: D

 

 

QUESTION 45

Refer to the exhibit. What is wrong with the configuration of the tunnel interface of this DMVPN Phase II spoke router?

 

clip_image004

 

A.

The interface MTU is too high.

B.

The tunnel destination is missing.

C.

The NHRP NHS IP address is wrong.

D.

The tunnel mode is wrong.

 

Answer: D

 

 

QUESTION 46

Which two statements are true about VPLS? (Choose two.)

 

A.

It can work over any transport that can forward IP packets.

B.

It provides integrated mechanisms to maintain First Hop Resiliency Protocols such as HSRP, VRRP,

or GLBP.

C.

It includes automatic detection of multihoming.

D.

It relies on flooding to propagate MAC address reachability information.

E.

It can carry a single VLAN per VPLS instance.

 

Answer: DE

 

 

QUESTION 47

Refer to the exhibit. What will be the extended community value of this route?

 

clip_image005

 

A.

RT:200:3000 RT:200:9999

B.

RT:200:9999 RT:200:3000

C.

RT:200:3000

D.

RT:200:9999

 

Answer: D

 

 

QUESTION 48

Refer to the exhibit. Which statement is true?

 

clip_image007

 

A.

There is an MPLS network that is running 6PE, and the ingress PE router has no mpls ip propagate-ttl.

B.

There is an MPLS network that is running 6VPE, and the ingress PE router has no mpls ip propagate-ttl.

C.

There is an MPLS network that is running 6PE or 6VPE, and the ingress PE router has mpls ip propagate-ttl.

D.

There is an MPLS network that is running 6PE, and the ingress PE router has mpls ip propagate-ttl.

E.

There is an MPLS network that is running 6VPE, and the ingress PE router has mpls ip propagate-ttl.

 

Answer: C

 

 

QUESTION 49

Refer to the exhibit. Which statement is true about a VPNv4 prefix that is present in the routing table of vrf one and is advertised from this router?

 

clip_image008

 

A.

The prefix is advertised only with route target 100:1.

B.

The prefix is advertised with route targets 100:1 and 100:2.

C.

The prefix is advertised only with route target 100:3.

D.

The prefix is not advertised.

E.

The prefix is advertised with route targets 100:1, 100:2, and 100:3.

 

Answer: A

 

 

QUESTION 50

Which is the way to enable the control word in an L2 VPN dynamic pseudowire connection on router R1?

 

A.

R1(config)# pseudowire-class cw-enable

R1(config-pw-class)# encapsulation mpls

R1(config-pw-class)# set control-word

B.

R1(config)# pseudowire-class cw-enable

R1(config-pw-class)# encapsulation mpls

R1(config-pw-class)# enable control-word

C.

R1(config)# pseudowire-class cw-enable

R1(config-pw-class)# encapsulation mpls

R1(config-pw-class)# default control-word

D.

R1(config)# pseudowire-class cw-enable

R1(config-pw-class)# encapsulation mpls

R1(config-pw-class)# control-word

 

Answer: D

 

 

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