nokia 4a0-102 practice test

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 is TRUE?

• A. There can only be one community associated with a route.
• B. Community is an optional non-transitive attribute.
• C. Community is an optional transitive attribute.
• D. Community is a well-known discretionary attribute.

Click the exhibit.

Assuming a full iBGP mesh in ISP 1, how does router R1 in ISP 1 handle a BGP update received from
ISP 2?

• A. The update is sent to router R2 in ISP 1.
• B. The update is sent to routers R2 and R3 in ISP 1.
• C. The update is sent to all routers in ISP 1.
• D. The update is sent to routers R2 and R3 in ISP 1, and to router R3 in ISP 2.

Click on the exhibit.

AS 65540 is using MPLS to provide BGP shortcuts for its iBGP routing. Which routers must be
configured with the "configure router bgp igp-shortcuts rsvp-te" command?

• A. Routers R6, R1, R4 and R5.
• B. Routers R1and R4.
• C. Routers R1, R2, R3 and R4.
• D. Routers R2 and R3.

Which of the following is TRUE if the state of one BGP neighbor shows Active?

• A. The neighbor will send a Keepalive message.
• B. The router is trying to initiate a TCP connection to that neighbor.
• C. The router received an Open message with the correct parameters.
• D. The router is actively exchanging updates with that neighbor.

Which of the following about default BGP behavior is FALSE?

• A. Next Hop is modified in iBGP updates.
• B. Origin Code is NOT modified in eBGP updates.
• C. AS Path is modified in eBGP updates.
• D. Local Preference is NOT modified in iBGP updates.

Why is a full mesh of iBGP peers required?

• A. To ensure proper route propagation inside a transit AS.
• B. To ensure that all routers are directly connected.
• C. To ensure that all routers run iBGP inside a transit AS.
• D. To maximize control plane scalability.

Click the exhibit.

Assume all router-IDs are properly configured. Which of the following configurations is required on
the Alcatel-Lucent 7750 SR router A to establish an IPv6 BGP session to router D?

• A. Option A
• B. Option B
• C. Option C
• D. Option D

Consider two Alcatel-Lucent 7750 SRs in AS 65540. Router R1 has system address 10.10.10.1, and
router R2 has system address 10.10.10.2. Which of the following configurations on router R2 can
establish a BGP session with router R1?

• A. Option A
• B. Option B
• C. Option C
• D. Option D

A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200
65400 65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a
local preference of 100. The third route has an AS path of 65600 65300 and a local preference of 200.
Which route will appear in the RIB-In?

• A. Only the first route will appear in the RIB-In.
• B. Only the second route will appear in the RIB-In.
• C. Only the third route will appear in the RIB-In.
• D. All routes will appear in the RIB-In.