Nokia 4A0-100 Online Practice Questions and Exam Preparation

Nokia 4A0-100 Online Questions & Answers

• Question 241:

  Which of the following best describes the function of the service label?

  A. Customer traffic is encapsulated with a service label by the ingress PE. The service label identifies which transport tunnel to use.
  B. Customer traffic is encapsulated with a service label by the egress PE. The service label identifies which transport tunnel to use.
  C. Customer traffic is encapsulated with a service label by the egress PE. The service label identifies the specific service the data belongs to.
  D. Customer traffic is encapsulated with a service label by the ingress PE. The service label identifies the specific service the data belongs to.
  D. Customer traffic is encapsulated with a service label by the ingress PE. The service label identifies the specific service the data belongs to.

• Question 242:

  What is NOT a function of the IOM?

  A. It forwards the data to the switch fabric.
  B. It discards excess data packets.
  C. It converts the incoming data to an internal format.
  D. It performs Quality of Service operations and buffers incoming data.
  C. It converts the incoming data to an internal format.

• Question 243:

  Which field in the TCP header is used by the receiver to indicate how many segments it can receive?

  A. Checksum
  B. SYN
  C. Destination port
  D. Window size
  E. MTU
  D. Window size

• Question 244:

  Which of the following statements about IP filters on a Nokia 7750 SR is TRUE?

  A. Multiple ingress IP filters can be used on a single interface.
  B. An IP filter can be applied to the management port.
  C. The same IP filter can be used on multiple interfaces.
  D. Only one IP filter can be defined per router.
  C. The same IP filter can be used on multiple interfaces.

• Question 245:

  What ICMP message type will a router use to indicate to a host that an IP datagram sourced from that host cannot be delivered?

  A. Echo Request.
  B. Destination Unreachable.
  C. Router redirect.
  D. Echo Reply.
  B. Destination Unreachable.

• Question 246:

  What is the function of Layer 2?

  A. Layer 2 is responsible for encapsulating packets into frames for transmission on physical media.
  B. Layer 2 is responsible for encapsulating packets into IP datagrams and routing them.
  C. Layer 2 is responsible for encapsulating application data into TCP/UDP messages.
  D. Layer 2 is responsible for the timing of the signals on physical media.
  D. Layer 2 is responsible for the timing of the signals on physical media.

• Question 247:

  Which of the following statements BEST describes the purpose of UDP (Select two)?

  A. Provide a connectionless delivery service.
  B. Provide a connection oriented delivery service.
  C. Provide an unreliable transmission service.
  D. Provide a reliable transmission service.
  A. Provide a connectionless delivery service.
  C. Provide an unreliable transmission service.

• Question 248:

  Which of the following statements about router R1 is TRUE?

  

  A. Router R1 is an iLER for both LSPs.
  B. Router R1 is an eLER for both LSPs.
  C. Router R1 is an iLER for LSP A and an eLER for LSP B.
  D. Router R1 is an iLER for LSP B and an eLER for LSP A.
  C. Router R1 is an iLER for LSP A and an eLER for LSP B.

• Question 249:

  Which bit pattern represents a subnet mask of 255.255.240.0?

  A. 11111111.11111111.11111111.00000000
  B. 11111111.11111111.11110000.00000000
  C. 11111111.11111111.11000000.00000000
  D. 11111111.11111111.00000000.00000000
  B. 11111111.11111111.11110000.00000000

• Question 250:

  Which of the following is a characteristic of the system address?

  A. A physical interface address.
  B. A logical address on the router not corresponding to any specific interface.
  C. May have any prefix value.
  D. A management IP address.
  B. A logical address on the router not corresponding to any specific interface.