Nokia 4A0-C01 Online Practice Questions and Exam Preparation

Nokia 4A0-C01 Online Questions & Answers

• Question 621:

  Which of the following describes constraint-based routing?

  A. A mechanism that implements opaque LSAs.
  B. A mechanism that computes routes based on specified requirements.
  C. A mechanism that ensures the IGP best route is used.
  D. A mechanism that enables LDP signaling to use a route other than the IGP best route.
  B. A mechanism that computes routes based on specified requirements.

• Question 622:

  What labels are encapsulated in the tunnels used by a 6PE deployment?

  A. The inner label is the IPv4 Explicit Null. The outer label is the MPLS transport label,
  B. The inner label is an MPLS transport label. The outer label is the IPv4 Explicit Null.
  C. The inner label is the IPv6 Explicit Null. The outer label is an MPLS transport label.
  D. The inner label is an MPLS transport label. The outer label is the IPv6 Explicit Null.
  C. The inner label is the IPv6 Explicit Null. The outer label is an MPLS transport label.

• Question 623:

  Click on the exhibit.

  

  The partial command output from an Alcatel-Lucent 7750 SR is shown. Which of the following about this LSP path is TRUE?

  A. R4 (10.10.10.4) has established a link protection tunnel.
  B. R6 (10.10.10.6) has established a link protection tunnel.
  C. R2 (10.10.10.2) has established a node protection tunnel.
  D. R1 (10.10.10.1) has not established a node protection tunnel.
  A. R4 (10.10.10.4) has established a link protection tunnel.

• Question 624:

  Click on the exhibit.

  

  An LSP traverses R1-R2-R4-R6 and one-to-one fast reroute with link protection is enabled. All links have the same cost. Which of the following about DMP and MP is TRUE?

  A. R3 and R5 become DMPs; R6 becomes MP.
  B. R3 and R5 become DMPs; R4 becomes MP.
  C. R3, R5, and R6 become DMPs; R4 becomes MP.
  D. R1, R3, and R5 becomes DMPs; R4 and R6 become MPs.
  A. R3 and R5 become DMPs; R6 becomes MP.

• Question 625:

  Which LSA type is used for OSPF-TE?

  A. Type 8 LSA -- Link Local LSA
  B. Type 9 LSA -- Link local Opaque LSA
  C. Type 10 LSA -- Area local Opaque LSA
  D. Type 11 LSA --AS Opaque LSA
  C. Type 10 LSA -- Area local Opaque LSA

• Question 626:

  Which of the following about an LSP protected with one-to-one FRR is TRUE?

  A. The LSP can use facility and one-to-one FRR simultaneously.
  B. The LSP is limited to node protection.
  C. A single protection tunnel is used for all LSPs with the same path.
  D. A detour protection tunnel is created for the LSP.
  D. A detour protection tunnel is created for the LSP.

• Question 627:

  On a point-to-point link, two directly connected routers set different interface hello timeout values. Router R1 uses 15 seconds, while router R2 uses 30 seconds. What happens to the LDP adjacency?

  A. The adjacency forms with the lower timeout value
  B. The "show router Idp session" command output displays the adjacency in state "init"
  C. The adjacency forms with the higher timeout value
  D. The adjacency times out after 30 seconds
  A. The adjacency forms with the lower timeout value

• Question 628:

  Two IS-IS routers are exchanging Hello packets with different authentication types. Which of the following is TRUE?

  A. Different authentication types are not possible because IS-IS only supports password authentication.
  B. An adjacency will not be formed.
  C. The two routers negotiate the authentication type and then reach the up state.
  D. Only an L2 adjacency will form, as long as both routers are L2 capable.
  B. An adjacency will not be formed.

• Question 629:

  Which of the following about SAPs is FALSE?

  A. A SAP can be associated with more than one service.
  B. A SAP is the subscriber's point of entry to the service network.
  C. A SAP is created by specifying a physical port and an encapsulation type.
  D. A SAP can only be created on a port configured as "access".
  A. A SAP can be associated with more than one service.

• Question 630:

  Which OSPFv3 LSA is similar to the OSPFv2 Type 5 LSA?

  A. AS External
  B. Inter-Area Prefix
  C. Inter-Area Router
  D. Intra-Area Prefix
  A. AS External