4A0-102 Online Practice Questions and Answers

Which of the following is NOT a goal of BGP routing policies?

A. To protect external networks from instability.

B. To communicate the architecture of an AS to external ASs.

C. To protect the local AS and other external ASs from bad NLRI.

D. To optimize ingress and egress traffic patterns to best serve the users of the AS.

Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP policy?

A. "client2" routes will be tagged with communities "West" and "North".

B. "client2" routes will be tagged with communities "West", "North" and "South".

C. "client2" routes will be tagged with community "West".

D. "client2" routes will be tagged with community "South".

What kind of BGP attribute is the Local Preference?

A. Optional transitive attribute.

B. Optional non-transitive attribute.

C. Well-known mandatory attribute.

D. Well-known discretionary attribute.

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

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.

Click the exhibit.

AS 65540 routers are iBGP fully-meshed. Assume routers R4, R5 and R6 are configured with addpaths ipv4 send 2 receive". Which routes to 192.168.0.1/27 is router R6 expected to have in its BGP routing table?

A. Two routes from router R4.

B. Two routes from router R5.

C. Two routes; one from router R4 and one from router R5.

D. Four routes; two from router R4 and two from router R5.

Click the exhibit.

Assume all router-IDs are properly configured, and link-local IPv6 addresses are used to establish the eBGP sessions. Which of the following is the MINIMAL configuration required on router A so that router B can exchange traffic with router D?

A. Option A

B. Option B

C. Option C

D. Option D

Which of the following regarding the withdrawal of routes from one BGP speaker to another is TRUE?

A. An update message is used. Only a single prefix can be withdrawn at a time.

B. An update message is used. Multiple prefixes can be withdrawn at a time.

C. A withdraw message is used. Only a single prefix can be withdrawn at a time.

D. A withdraw message is used. Multiple prefixes can be withdrawn at a time.

Click the exhibit.

Router R6 is a route reflector with clients R1, R2, R4 and R5. Router R4 receives three routes from router R6 and is configured with ECMP 3. Given the following BGP configuration on routerR4, how many primary and backup paths will be present in router R4's BGP routing table?

A. Three primary paths,

B. Two primary paths and one backup path.

C. One primary path and two backup paths.

D. One primary path and one backup path.

Click the exhibit.

Assuming that none of the routers within AS 65200 is configured with next-hop-self", what will the BGP update for the 192.168.0.1/27 prefix contain when it arrives at router B?

A. AS Path of 65200 65100, Next Hop of router A.

B. AS Path of 65200 65100, Next Hop of router E.

C. AS Path of 65100, Next Hop of router E.

D. AS Path of 65100, Next Hop of router A.

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