Nokia 4A0-102 Online Practice Questions and Exam Preparation

Nokia 4A0-102 Online Questions & Answers

• Question 1:

  Click the exhibit.

  

  Assuming the network is IPv6 only, which of the following configurations on the Alcatel- Lucent 7750 SR router A can establish an IPv6 BGP session to router B?

  

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

• Question 2:

  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.
  D. All routes will appear in the RIB-In.

• Question 3:

  Click the exhibit.

  

  Router R2 is advertising prefix 192.168.1.0/27 with community "no-advertise" towards AS 65002. Which routers receive an update for that prefix?

  A. Router R3 only.
  B. Routers R3 and R4 only.
  C. Routers R3, R4 and R5 only.
  D. Router R2 does not advertise an update for the prefix.
  A. Router R3 only.

• Question 4:

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

  

  A. Only entry 10 is executed for "client1" and "client2".
  B. Entries 10 and 20 are executed for "client1", and entries 10 and 30 are executed for "client2".
  C. Entries 10 and 20 are executed for "client1", and entries 10, 20 and 30 are executed for "client2".
  D. Entry 10 is executed for directly-connected routes, entry 20 for "client1" and entry 30 for "client2".
  A. Only entry 10 is executed for "client1" and "client2".

• Question 5:

  Click the exhibit.

  

  An update travels from AS 137000 to AS 135000, traversing both 32-bit and 16-bit AS Paths.

  What AS Path is seen by AS 200?

  A. 140000 137000
  B. 137000 140000
  C. 23456 23456
  D. 200 140000 137000
  C. 23456 23456

• Question 6:

  Which of the following prefix-lists is the most specific match for prefixes 192.168.64.1/20 and 192.168.32.5/19?

  A. Prefix 192.168.0.0/17 longer.
  B. Prefix 192.168.0.0/19 longer.
  C. Prefix 192.168.96.0/19 longer.
  D. Prefix 192.168.0.0/18 longer.
  A. Prefix 192.168.0.0/17 longer.

• Question 7:

  Click the exhibit.

  

  Routers C and E are route reflectors. When the update for prefix 192.168.2.0/24 is received at router F, what will be the Originator_ID attribute?

  A. The router ID of router A.
  B. The router ID of router B.
  C. The router ID of router C.
  D. It will not be set.
  B. The router ID of router B.

• Question 8:

  The user of an Alcatel-Lucent 7750 SR wants to see the effect of changing an import policy immediately. What is the best command to force re-evaluation of the import policy with minimal impact?

  A. Configure router bgp shutdown
  B. Clear router bgp neighbor soft
  C. Clear router bgp neighbor soft-inbound
  D. Clear router bgp protocol
  C. Clear router bgp neighbor soft-inbound

• Question 9:

  BGP is configured on two peers, routers A and B. Router A is configured with a Hold Time timer of 60 seconds and a Keepalive timer of 25 seconds. Router B is configured with a Hold Time timer of 90 seconds and a Keepalive timer of 70 seconds.

  What will the active Keepalive timer be on router B?

  A. 70 seconds
  B. 25 seconds
  C. 20 seconds
  D. 30 seconds
  C. 20 seconds

• Question 10:

  Which of the following regarding the atomic aggregate attribute is TRUE?

  A. It is an optional transitive attribute.
  B. It is an optional non-transitive attribute.
  C. The atomic aggregate flag is always set if the aggregator attribute is set.
  D. The atomic aggregate flag is always set if the AS Path information is lost due to aggregation.
  D. The atomic aggregate flag is always set if the AS Path information is lost due to aggregation.