Nokia 4A0-102 Online Practice Questions and Exam Preparation

Nokia 4A0-102 Online Questions & Answers

• Question 11:

  Which of the following statements about the BGP Advertise External feature is FALSE?

  A. It modifies the BGP advertisement logic.
  B. It improves convergence times and allows for better load sharing.
  C. It allows a router to advertise multiple external paths for a single prefix.
  D. It supports both IPv4 and IPv6.
  C. It allows a router to advertise multiple external paths for a single prefix.

• Question 12:

  Click the exhibit.

  

  Router R6 is a route reflector for clients R1, R2 and R5 with local preferences 100, 200 and 500 respectively. Router R3 advertises prefix 192.168.1.0/27 to routers R1, R2 and R5 which are configured with advertise-external. Routers R4 and R6 are both configured with "add-paths ipv4 send 2 receive". Which routes to 192.168.0.1/27 is router R4 expected to have in its BGP routing table?

  A. The routes from routers R1, R2 and R5.
  B. The routes from routers R1and R2.
  C. The routes from routers R2 and R5.
  D. Two routes are chosen at random and advertised to router R4.
  C. The routes from routers R2 and R5.

• Question 13:

  An autonomous system has 7 routers configured with BGP. How many iBGP sessions are required for a fully meshed configuration?

  A. 7
  B. 13
  C. 21
  D. 42
  C. 21

• Question 14:

  Click the exhibit.

  

  Which of the following is a valid confederation configuration for Router R2?

  

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

• Question 15:

  Click the exhibit.

  

  Given that ISP 1 and ISP 2 are Tier 2 providers, and that ISP 3 and ISP 4 are Tier 1 providers, what is the most likely relationship between the ISPs?

  A. ISP 1 and ISP 2 have a public transit relationship, while ISP 3 and ISP 4 have a private transit relationship.
  B. ISP 1 and ISP 2 have a private transit relationship, while ISP 3 and ISP 4 have a public transit relationship.
  C. ISP 1 and ISP 2 have a private peering relationship, while ISP 3 and ISP 4 have a public peering relationship.
  D. ISP 1 and ISP 2 have a public peering relationship, while ISP 3 and ISP 4 have a private peering relationship.
  D. ISP 1 and ISP 2 have a public peering relationship, while ISP 3 and ISP 4 have a private peering relationship.

• Question 16:

  How are policy direction and data flow related on the Alcatel-Lucent 7750 SR?

  A. Import policies affect ingress data flow.
  B. Export policies affect ingress data flow.
  C. Both import and export policies affect ingress data flow.
  D. Policy direction and data flow are independent.
  B. Export policies affect ingress data flow.

• Question 17:

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

• Question 18:

  A router in AS 65100 receives two BGP routes. The first route is for 138.1.1.0/24 with an AS Path of 65200 65300, Local Preference of 100, MED of 100, and router ID 10.10.10.10. The second route is for 138.1.0.0/16 with an AS Path of 65500 65300, Local Preference of 150, MED of 100, and router ID 10.1.1.1. Assuming all other attributes are equal, which route would be used to forward an IP packet with destination IP address 138.1.1.1?

  A. The first BGP route.
  B. The second BGP route.
  C. Both routes are used.
  D. It is impossible to determine without the value of the origin code for both routes.
  A. The first BGP route.

• Question 19:

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

• Question 20:

  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
  C. Option C