2013 Latest 350-029 Pass4sure Free Tests 241-250

Ensurepass

 

QUESTION 241

What is a limitation of implementing uRPF?

 

A.  Domain name must be defined.
B.  MPLS LDP must be enabled.

C.  BGP routing protocol must be running.
D.  Symmetrical routing is required.


E.  Named access-lists must be configured.

 

Answer: D

 

 

QUESTION 242

In the diagram, R1 is the head-end of a TE tunnel that terminates on R5. The red line indicates the protected link, and the gold line indicates the backup tunnel. Which router is the Point of Local Repair?

 

clip_image001

 

A.  R2

B.  R5

C.  R3

D.  R1

E.  None of the above.
F.  R4

 

Answer: A

 

 

QUESTION 243

Which of the following events can NOT be tuned via router configuration to provide for faster convergence following a link failure?

 

A.  Failure detection

B.  IGP LSP/LSA origination

C.  Per-hop flooding time of new link state

D.  Number of hops that need to be notified of new link state

E.  Failure reporting

 

Answer: D

 

 

QUESTION 244

What best explains the BGP route-reflector function?

 

A.  None of the above.

B.  BGP route-reflector does not have to be in the forwarding path of data coming from its clients.
C.  BGP route-reflector will stop reflecting the routes if they’re not directly-connected clients.

D.  BGP route-reflector should be in forwarding path of data coming from its clients.

 

Answer: B

 

 

QUESTION 245


In Any Transport over MPLS (AtoM) Control word is an optional 4-byte field used in the pseudowire packet. The control word carries generic and Layer 2 payload-specific information to emulate L2 packets correctly. In pseudowire packet, where is this Control Word inserted ?

 

A.  Inserted between the MPLS label stack and the Layer 3 payload
B.  Inserted between the MPLS label stack and the Layer 3 Header
C.  Inserted between the MPLS label stack and the Layer 2 payload
D.  Inserted between the MPLS label stack and the Layer 2 header

 

Answer: C

 

 

QUESTION 246

What is the proper MP-BGP configuration between the shown PE routers to implement MPLS VPNs on

PE-R2 ?

clip_image002

 

A.  None of the above

B.  router bgp 1

neighbor 50.0.0.4 remote-as 1

neighbor 50.0.0.4 update-source Loopback0 no auto-summary

!

address-family ipv4 neighbor 50.0.0.4 activate

neighbor 50.0.0.4 send-community extended exit-address-family

C.  router bgp 1

neighbor 50.0.0.4 remote-as 1

neighbor 50.0.0.4 update-source Loopback0 no auto-summary

!

address-family vpnv4 neighbor 50.0.0.4 activate

neighbor 50.0.0.4 send-community extended exit-address-family

D.  router bgp 1

neighbor 50.0.0.4 remote-as 1

neighbor 50.0.0.4 update-source Loopback0 no auto-summary

!

address-family vpnv4 unicast multicast neighbor 50.0.0.4 activate neighbor 50.0.0.4 send-community extended exit-address-family

 

Answer: C

 


QUESTION 247

What is the importance of using Virtual Output Queues on ingress Line Cards in a high- end router?

 

A.  Increases forwarding performance

B.  Simplifies configuration

C.  Prevents head-of-line blocking

D.  Uses less memory

 

Answer: C

 

 

QUESTION 248

Which of the following statements about MD5 Routing Updates authentication is valid? (Select two)

 

A.  The MD5 algorithm inputs the routing updates of arbitrary length and outputs a 128- bit hash
B.  The MD5 algorithm inputs the routing updates of every 64bit length and outputs an 8-bit hash
C.  Multiple keys are supported

D.  Routing updates packets are delivered in encrypted messages

E.  Shared secret keys are delivered in encrypted messages

 

Answer: AC

 

 

QUESTION 249

In which of the following BGP-related events is an End-of-RIB (EOR) message sent?

 

A.  Just before sending a CEASE message to tear down the session.
B.  During capability negotiation.

C.  During initial convergence.

D.  Following a link flap in the BGP speaker’s AS.
E.  Following a Route Processor Switchover.

 

Answer: CE

 

 

QUESTION 250

What is the requirement of Remote Triggered Black Hole (RTBH ) filtering?

 

A.  ISIS updates exchange between trigger router and black hole router

B.  EBGP updates exchange between trigger router and black hole router

C.  None of above

D.  OSPF updates exchange between trigger router and black hole router

E.  IBGP updates exchange between trigger router and black hole router

 

Answer: E

 

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