[Free] Download New Updated (August 2016) Cisco 400-101 Real Exam 901-910

Ensurepass

QUESTION 901

When do summary black holes occur in EIGRP?

 

A.

when the summary is removed due to the last component disappearing

B.

when a summary is created for security purposes to draw undesired traffic to a termination point

C.

when a summary is advertised that contains components that the advertising router cannot reach

D.

when components of the summary are present at multiple summary points

 

Correct Answer: C

 

 

QUESTION 902

Which two security risks can occur with PMTUD? (Choose two)

 

A.

An attacker can block valid Datagram Too small messages, to cause a DDos.

B.

An attacker can block valid Datagram Too small messages, to cause a Dos.

C.

An attacker can slow data flow by sending false messages that indicate that the PMTU is significantly smaller than the true PMTU.

D.

An attacker can cause data lost by sending false messages that indicate that the PMTU is significantly smaller than the true PMTU.

E.

An attacker can cause data lost by sending false messages that indicate that the PMTU is significantly larger than the true PMTU.

F.

An attacker can slow data flow by sending false messages that indicate that the PMTU is significantly larger than the true PMTU.

 

Correct Answer: BD

 

 

QUESTION 903

Refer to the exhibit. Which two options are two problems that can occur with this configuration? (Choose two)

 

clip_image002

 

A.

The MPLS path from R1 to R5 becomes unreachable.

B.

R1 and R5 are unable to establish an LDP relationship.

C.

The label for the R1 loopback address is filtered from other MPLS routers.

D.

The label for the R5 loopback address is filtered from other MPLS routers.

E.

MPLS traffic from R1 to R5 takes a suboptimal path.

 

Correct Answer: AD

 

 

QUESTION 904

In which order of magnitude (time) is delay/latency measured when you use wide metrics in EIGRP?

 

A.

tens of microseconds

B.

picoseconds

C.

mamoseconds

D.

microseconds

Correct Answer: B

 

 

QUESTION 905

Which three options describe characteristics of a link state routing protocol? (Choose three)

 

A.

It uses cost in the metric calculation to determine the best path.

B.

It uses hop count in the metric calculation to determine the best path.

C.

It provides faster convergence as opposed to distance vector routing protocols.

D.

It is better in detecting suboptimal routing.

E.

It is topology driven and has an overall overview of the network.

F.

It only has a neighbor routing table.

 

Correct Answer: ACE

 

 

QUESTION 906

What is the default IS-IS interface metric on a Cisco router?

 

A.

128

B.

64

C.

10

D.

255

 

Correct Answer: C

 

 

QUESTION 907

Which statement about the EIGRP SRTT is true?

 

A.

It is the average time that it takes for a reliable packet to be acknowledged.

B.

It is six time the RTO.

C.

It is the time that it takes for an update to be received by a peer.

D.

It is the time it takes to receive a reply to a query.

 

Correct Answer: A

 

 

QUESTION 908

Which three features are supported by PIMv6? (Choose three)

 

A.

embedded RP

B.

MSDP

C.

Auto-RP

D.

sparse mode

E.

SSM

F.

dense mode

 

Correct Answer: ADE

 

 

 

 

QUESTION 909

Which two statements about static route configuration are true? (Choose two)

 

A.

They add to the number of routes in the routing table.

B.

The distance command modifies the administrative distance

C.

The redistribute static command will redistribute classful networks into OSPF.

D.

They add significant overhead to the router CPU.

E.

The ip route static bfd command is used for BFD peer discovery.

F.

The permanent key word allows the route to remain in the route table if the interface goes down.

 

Correct Answer: CF

 

 

QUESTION 910

Which Cisco PfR monitoring mode is recommended for Internet edge deployments?

 

A.

active mode

B.

active throughput mode

C.

fast mode

D.

passive mode

 

Correct Answer: D

 

Free VCE & PDF File for Cisco 400-101 Real Exam

Instant Access to Free VCE Files: CCNA | CCNP | CCIE …
Instant Access to Free PDF Files: CCNA | CCNP | CCIE …