4A0-C04 Online Practice Questions and Answers

Which of the following is TRUE if the local state of BGP is OpenConfirm?

A. The local system has received a Keepalive message and is ready to exchange updates.

B. The local system is exchanging Update messages with its neighbor.

C. The local system has sent a Keepalive message to its neighbor and is waiting to receive one back.

D. The local system has sent an Open message to its neighbor and is waiting to receive one back.

Click on the exhibit.

An LDP tunnel is established on R1-R2-R4-R6 because the link between routers R3 and R6 is down. With the LDP-IGP Sync feature enabled, what happens immediately after the link is restored?

A. A new LDP session is established on R1-R3-R6 as soon as the FIB is updated.

B. The LDP session remains unchanged until the existing path R1-R2-R4-R6 goes down.

C. A new LDP session is established on R1-R3-R6 as soon as router R1 receives a new label for router R6.

D. The LDP session remains unchanged until router R3 stops advertising the maximum metric for the link to router R6.

What type of LSA is used to flood information about prefixes from one OSPF area to other attached areas?

A. Type 1

B. Type 3

C. Type 4

D. Type 7

Which of the following commands would correctly configure the confederation AS number as 65200 with a member AS of 65202?

A. config>router- confederation 65200 members 65202

B. config>router>bgp= confederation 65200 members 65202

C. config>router= confederation 65202 members 65200

D. config>router>bgp= confederation 65202 members 65200

Click the exhibit.

Considering that both routers C and D are advertising the eBGP learned prefix 10.5.0.0/16 into ISP X, which of the following best describes the route advertisement within ISP X?

A. Router C sends the update to routers E and F only.

B. Router C sends the update to routers D, E and F.

C. Router C sends the update to routers A, B, E and F.

D. Router C sends the update to routers A, B, D, E and F.

Facility fast reroute with node protection is enabled for an LSP, which of the following is FALSE?

A. Each PLR signals a bypass tunnel that avoids the next-hop downstream router.

B. When a failure occurs, the PLR pushs an additional label onto the label stack.

C. No bypass tunnel is established if the PLR cannot provide node protection.

D. The head-end router sets the local protection desired flag in the session attribute object.

An operator configures an Nokia 7750 SR with a loopback interface and IPv6 address. The operator then configures a routing policy to redistribute the loopback prefix into OSPFv3. What type of LSA is used to advertise the route to other OSPFv3 routers in the same area?

A. Router LSA

B. AS External LSA

C. Intra-Area Prefix LSA

D. Inter-Area Prefix LSA

E. Network LSA

F. None of the statements are correct.

Click the exhibit.

Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4. Which of the following is a valid configuration on router RR1?

A. Option A

B. Option B

C. Option C

D. Option D