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

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 3

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 4

Which of the following statements regarding the election of the designated router (DR) by OSPF routers are true? (Choose two)

Options :

A : The router with the lowest priority is the DR.

B : The router with the highest priority is the DR.

C : If priorities are the same, the DR is chosen based on the lowest RID.

D : If priorities are the same, the DR is chosen based on the highest RID.

Answer: B,D

Question 5

Which of the following prefix lists include prefixes 192.168.128.0/17 and 192.168.64.0/18?

Options :

A : Prefix list 192.168.0.0/16 through 18.

B : Prefix 192.168.0.0/17 longer.

C : Prefix list 192.168.0.0/17 through 18.

D : Prefix 192.160.0.0/13 longer.

Answer: A