Nokia 4A0-C04 Online Practice Questions and Exam Preparation

Nokia 4A0-C04 Online Questions & Answers

• Question 291:

  Which of the following statements regarding OSPF routing updates on a multi-access network segment is true?

  A. In multi-access networks, a DR and BDR are elected only if there are more than two routers connected to the network segment.
  B. In multi-access networks, a DR and BDR are elected only if the subnet masks on the router interfaces are less than /30
  C. In multi-access networks, a DR and BDR are elected. To ensure resiliency, both the DR and BDR send link-state advertisements describing the network.
  D. In multi-access networks, a DR and BDR are elected. The DR sends link-state advertisements describing the network.
  D. In multi-access networks, a DR and BDR are elected. The DR sends link-state advertisements describing the network.

• Question 292:

  Which of the following about label modes on the Nokia 7750 SR is FALSE?

  A. RSVP uses downstream on demand label distribution mode.
  B. LDP uses conservative label retention mode.
  C. LDP advertises label mappings to all peers for which it might be a next-hop for a given FEC.
  D. RSVP distributes a label mapping for a FEC when it has been requested to do so.
  B. LDP uses conservative label retention mode.

• Question 293:

  Which of the following regarding label population is TRUE?

  A. Selected labels from the FIB are populated to the LFIB.
  B. Selected labels from the RIB are populated to the FIB.
  C. Selected labels from the LIB are populated to the FIB.
  D. Selected labels from the LIB are populated to the LFIB.
  D. Selected labels from the LIB are populated to the LFIB.

• Question 294:

  Which MPLS label mode saves label mappings received from all peer LSRs?

  A. Conservative label retention
  B. Liberal label retention
  C. Downstream on demand
  D. Downstream unsolicited
  B. Liberal label retention

• Question 295:

  Click the exhibit.

  

  Router R6 is a route reflector with clients R1, R2 and R5. Router R3 advertises the prefix 192.168.1.0/27 to routers R1, R2 and R5. How many routes for prefix 192.168.1.0/27 will router R6 receive?

  A. 1
  B. 2
  C. 3
  D. None
  C. 3

• Question 296:

  Which of the following about VPRN VRF tables is FALSE?

  A. A PE uses the same VRF table for all the VPRN services on it.
  B. A PE uses a VRF to maintain forwarding information.
  C. Information for VRFs can be advertised between PEs by MP-BGP.
  D. A PE uses a VRF to route traffic to CEs.
  A. A PE uses the same VRF table for all the VPRN services on it.

• Question 297:

  What is the protocol number for OSPF in the IP header?

  A. OSPF uses TCP, so the protocol number is 6.
  B. OSPF uses UDP, so the protocol number is 17.
  C. OSPF does not use IP.
  D. OSPF has its own protocol number of 89.
  D. OSPF has its own protocol number of 89.

• Question 298:

  Which of the following statements best describes the function of an OSPF Type 4 LSA?

  A. A Type 4 LSA is originated by an ABR to describe a route to an ASBR to routers outside the area.
  B. A Type 4 LSA is originated by an ASBR to describe a route to itself to routers outside the area.
  C. A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the backbone area to provide routing information.
  D. A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the stub area to provide routing information.
  A. A Type 4 LSA is originated by an ABR to describe a route to an ASBR to routers outside the area.