Nokia 4A0-C04 Online Practice Questions and Exam Preparation

Nokia 4A0-C04 Online Questions & Answers

• Question 51:

  What are the three databases maintained by a Link State Protocol?

  A. Neighbor, adjacency, route table
  B. Neighbor, topology, forwarding
  C. Topology, routing, forwarding
  D. There are only two databases: adjacency and topology
  B. Neighbor, topology, forwarding

• Question 52:

  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 53:

  In an OSPF environment, what must a router receive after it sends out an update?

  A. The router must receive an acknowledgment
  B. The router must receive a Hello
  C. The router must receive a new sequence number
  D. The router must receive a Link State Packet
  A. The router must receive an acknowledgment

• Question 54:

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

• Question 55:

  A network consists of four PE routers. A customer requires a VPLS and has sites connected to each PE. The VPLS is fully meshed using IP/MPLS. How many SDPs must be configured on each PE?

  A. 3
  B. 4
  C. 6
  D. 8
  A. 3

• Question 56:

  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 57:

  Which utility on the Nokia 7750 SR can be used to investigate an MPLS path?

  A. Isp-trace
  B. Idp-trace
  C. Sdp-ping
  D. Svc-ping
  E. Ping
  A. Isp-trace

• Question 58:

  Click the exhibit button.

  

  What is the command to configure a static route on the Nokia 7750 SR router R1 to reach the network behind router R2?

  A. configure router static-route 139.120.121.0/24 next-hop 138.120.199.2
  B. configure router static-route 139.120.121.0/24 next-hop 138.120.199.1
  C. configure router static-route 138.120.199.2/24 next-hop 138.120.199.1
  D. configure router static-route 139.120.121.0/24 next-hop 139.120.121.2
  A. configure router static-route 139.120.121.0/24 next-hop 138.120.199.2

• Question 59:

  In an OSPF Hello packet, which of the following fields must match for all neighbor routers on the segment? Choose three answers.

  A. Area ID W B.
  B. Hello and Dead intervals PC.
  C. Stub flag
  D. Checksum values
  E. The list of neighbors
  A. Area ID W B.
  B. Hello and Dead intervals PC.
  C. Stub flag

• Question 60:

  Which of the following is a characteristic of a VPLS?

  A. All SAPs of a VPLS belong to the same broadcast domain.
  B. When a new site is added, all the existing sites need to be shutdown and re-provisioned.
  C. An additional T-LDP session is required between PEs for each additional VPLS that is provisioned.
  D. Multiple VPLSes on the same router share a single MAC FDB.
  A. All SAPs of a VPLS belong to the same broadcast domain.