Nokia 4A0-100 Online Practice Questions and Exam Preparation

Nokia 4A0-100 Online Questions & Answers

• Question 131:

  What is the function of an LSR?

  A. Label Switching Routers make switching decisions based on the original MAC Header.
  B. Label Switching Routers make routing decisions based on the original IP Header.
  C. Label Switching Routers make forwarding decisions based on the MPLS label.
  D. Label Switching Routers make decisions based on ATM header information.
  C. Label Switching Routers make forwarding decisions based on the MPLS label.

• Question 132:

  Where would you expect to find a P router in a service provider's network?

  A. At the edge of the provider's network facing the customer.
  B. At the edge of the customer's network facing the provider.
  C. In the core of the provider's network.
  D. On the customer premises.
  C. In the core of the provider's network.

• Question 133:

  How many DS-3 frames can be transported in an OC-3 frame?

  A. 1
  B. 2
  C. 3
  D. 4
  C. 3

• Question 134:

  Which technologies can be used with Ethernet switches to achieve redundancy? (Choose two)

  A. LAG
  B. OSPF
  C. RIP
  D. STP
  A. LAG
  D. STP

• Question 135:

  Which is the public AS in the diagram?

  

  A. 65001
  B. 65003
  C. 2002
  D. All of the above.
  E. None of the above.
  C. 2002

• Question 136:

  What is the next-hop for network 172.16.2.0/24 installed in router 1's routing table?

  

  A. 10.10.10.0
  B. 10.10.10.1
  C. 10.10.10.2
  D. 10.10.10.3
  C. 10.10.10.2

• Question 137:

  A network with address 208.40.224.0/24 is divided into /28 subnets. What is the network address of the third subnet?

  A. 208.40.224.16/28
  B. 208.40.224.32/28
  C. 208.40.224.48/28
  D. 208.40.224.64/28
  C. 208.40.224.48/28

• Question 138:

  Which of the following about transactional configuration is FALSE?

  A. Configuration changes are stored in a candidate configuration datastore.
  B. A router uses the running configuration datastore for its operation.
  C. Configuration changes are activated by committing the candidate configuration.
  D. A running configuration datastore consists of multiple candidate configuration datastores.
  D. A running configuration datastore consists of multiple candidate configuration datastores.

• Question 139:

  What operation is performed by an LSR when it receives an MPLS labeled packet?

  A. The LSR refers to its routing table and forwards the packet to the next LSR or LER without altering the MPLS label.
  B. The LSR refers to its MPLS label table, swaps the label and forwards the packet to the next LSR or LER.
  C. The LSR refers to its MPLS label table forwards the packet to the next LSR or LER without altering the MPLS label.
  D. The LSR refers to its MPLS label table, pops the label and forwards the packet to the next IP router.
  B. The LSR refers to its MPLS label table, swaps the label and forwards the packet to the next LSR or LER.

• Question 140:

  What is the purpose of the Data Link Layer in the OSI model?

  A. The Data Link Layer is responsible for encapsulating the packet into a frame for transmission on the transmission media.
  B. The Data Link Layer is responsible for encapsulating the packet into an IP header and routing the packet.
  C. The Data Link Layer is responsible for formatting the packet for applications such as JPEG format.
  D. The Data Link Layer is responsible for timing of the signals on the transmission media
  A. The Data Link Layer is responsible for encapsulating the packet into a frame for transmission on the transmission media.