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Question 1

Which of the following about ADSPEC is FALSE?

Options :

A : ADSPEC sets an SDP-s MTU to the smallest MTU value found along the LSP path.

B : RSVP must be enabled on all MPLS routers of a path to use ADSPEC.

C : ADSPEC can automatically adjust the service MTU.

D : ADSPEC can be enabled on individual LSPs.

Answer: C

Question 2

Which utility on the Nokia 7750 SR can be used to investigate an MPLS path?

Options :

A : Isp-trace

B : Idp-trace

C : Sdp-ping

D : Svc-ping

E : Ping

Answer: A

Question 3

Which of the following comparisons between E-pipes and VPLSes is FALSE?

Options :

A : They both function as a Layer 2 switch from the service provider-s perspective.

B : They both support SAP encapsulations of null, dot1Q and Q-in-Q.

C : They both use SAPs as the demarcation point between the customer and the provider.

D : MAC addresses are learned by VPLSes, but not by E-pipes.

Answer: A

Question 4

Which of the following statements regarding Internet Exchange Points is FALSE?

Options :

A : They provide both peering and transit services.

B : They provide services only to Tier 1 service providers.

C : They can be either public or private.

D : They provide services at the local, regional and continental levels.

Answer: B

Question 5

How is the aggregator attribute handled with 32-bit AS numbers?

Options :

A : With the same method and attribute as 16-bit AS numbers.

B : With the same method as 16-bit AS numbers, but using the AS4_Aggregator attribute.

C : Aggregation is not yet supported with 32-bit AS numbers.

D : By using a dummy value of 23456 in the 16-bit AS aggregator field. This value lets the router know it needs to read the 32-bit AS number that is contained in the nextTLV.

Answer: B