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Question 1

A router receives an OSPF database description packet from a neighbor that references an LSA, which is already in the router's LSDB. The sequence number in the DBD packet is lower than the sequence number of the LSA in the LSDB.

What action does the router take?

Options :

A : The router sends a link-state update to its neighbor.

B : The router sends a link-state acknowledgement to its neighbor.

C : The router updates the information in its LSDB with the information received from its neighbor.

D : The router sends a link-state request to its neighbor.

E : The router takes no action.

Answer: A

Question 2

Which MPLS label mode saves label mappings received from all peer LSRs?

Options :

A : Conservative label retention

B : Liberal label retention

C : Downstream on demand

D : Downstream unsolicited

Answer: B

Question 3

Which LSA type is used for OSPF-TE?

Options :

A : Type 8 LSA --- Link Local LSA

B : Type 9 LSA --- Link local Opaque LSA

C : Type 10 LSA --- Area local Opaque LSA

D : Type 11 LSA ---AS Opaque LSA

Answer: C

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

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