Question 1

Click the exhibit.

Given that ISP 1 and ISP 2 are Tier 2 providers, and that ISP 3 and ISP 4 are Tier 1 providers, what is the most likely relationship between ISP 1 and the other ISPs?

Options :

A : ISP 1 has a peering relationship with ISP 2 and ISP 4.

B : ISP 1 has a peering relationship with ISP 2 and a transit relationship with ISP 3.

C : ISP 1 has a peering relationship with ISP 2 and ISP 3.

D : ISP 1 has a transit relationship with ISP 2 and ISP 4.

E : ISP 1 has a transit relationship with ISP 2 and a peering relationship with ISP 3.

Answer: B

Question 2

Click on the exhibit.

An LSP traverses R1-R2-R4-R6 and one-to-one fast reroute with link protection is enabled. All links have the same cost. Which of the following about DMP and MP is TRUE?

Options :

A : R3 and R5 become DMPs; R6 becomes MP.

B : R3 and R5 become DMPs; R4 becomes MP.

C : R3, R5, and R6 become DMPs; R4 becomes MP.

D : R1, R3, and R5 becomes DMPs; R4 and R6 become MPs.

Answer: A

Question 3

Which of the following about transport and service tunnels is FALSE?

Options :

A : Service tunnels are unidirectional.

B : Transport tunnels are unidirectional.

C : A service will use the same service label for every hop.

D : A local service requires a transport tunnel.

Answer: D

Question 4

Click the exhibit.

When router A receives the BGP update for the 192.168.0.1/27 prefix, it propagates it to routers B and C. What action is taken by router B when it receives the update?

Options :

A : Router B propagates the BGP update to routers D and C.

B : Router B propagates the BGP update to router D.

C : Router B detects duplicates in its BGP database and discards the update.

D : Router B propagates the update to routers A, C and D.

Answer: B

Question 5

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