Nokia 4A0-100 Online Practice Questions and Exam Preparation

Nokia 4A0-100 Online Questions & Answers

• Question 21:

  What is the purpose of a multicast address?

  A. To provide an address that refers to all devices in a network.
  B. To provide an address that refers to a specific group of devices in a network.
  C. To provide an address that refers to a group of devices with the same IP address in different Layer 2 networks.
  D. To provide an address that refers to a single device in a network.
  B. To provide an address that refers to a specific group of devices in a network.

• Question 22:

  A network with address 208.40.224.0/24 is divided into /28 subnets. What is the host address range of the fourth subnetwork?

  A. 208.40.224.17 ?208.40.224.30
  B. 208.40.224.33 ?208.40.224.46
  C. 208.40.224.49 ?208.40.224.62
  D. 208.40.224.65 ?208.40.224.78
  C. 208.40.224.49 ?208.40.224.62

• Question 23:

  The method by which Ethernet frames are associated to a specific VLAN is referred to as:

  A. Segmenting
  B. Stacking
  C. Routing
  D. Tagging
  D. Tagging

• Question 24:

  A given network with address 200.12.30.0 and network mask 255.255.255.0 is divided into 16 equal-sized subnetworks. How many hosts does each subnetwork support?

  A. 6
  B. 14
  C. 30
  D. 62
  B. 14

• Question 25:

  Which of the following statements about router interfaces on a Nokia 7750 SR is FALSE?

  A. They can be used by routers to interconnect subnets.
  B. They can be used in pairs on the same subnet for redundancy.
  C. They can be logical or physical.
  D. The system interface exists by default.
  B. They can be used in pairs on the same subnet for redundancy.

• Question 26:

  Why does UDP have less overhead than TCP?

  A. UDP has less overhead because it is only used for transmission of small amounts of data.
  B. UDP has less overhead then TCP because there is no checksum field in UDP.
  C. UDP overhead is the same as TCP because it uses the same fields in the header.
  D. UDP has less overhead because there is no requirement for acknowledgment or retransmission.
  D. UDP has less overhead because there is no requirement for acknowledgment or retransmission.

• Question 27:

  Kahn solved the problem of interconnecting different networks using different protocols by pioneering a new protocol called TCP that was capable of:

  A. Secure transmission of information.
  B. Enforcing a constant packet size to avoid discards.
  C. Allowing remote logins.
  D. Providing host to host connectivity with global addressing.
  D. Providing host to host connectivity with global addressing.

• Question 28:

  Which bit pattern identifies the network address in the subnet mask?

  A. A string of consecutive 1's.
  B. A string of consecutive 0's.
  C. A string of alternating 10's.
  D. The network address is determined by masking the source address with a port's if Index binary representation.
  A. A string of consecutive 1's.

• Question 29:

  In the diagram, R3 receives an LSA with the sequence number 111 from R7 and then receives another copy of the LSA with a sequence number 112 from R1. What does R3 do with the LSA from R1?

  

  A. R3 discards the LSA received from R1 and sends a copy of the LSA from its link state base to R1.
  B. R3 installs the LSA received from R1 in its link state database and floods a copy to its neighbors.
  C. R3 discards the LSA received from R1 and sends an ACK to R1.
  D. R3 installs the LSA received from R1 in its link state database, sends an ACK to R1 and floods a copy to its neighbors.
  D. R3 installs the LSA received from R1 in its link state database, sends an ACK to R1 and floods a copy to its neighbors.

• Question 30:

  What kind of information can a Dynamic Host Configuration Protocol (DHCP) client receive?

  A. MAC address of the default gateway.
  B. IP addresses of other DHCP clients.
  C. IP addresses offered to the client.
  D. IP addresses of all DHCP servers.
  C. IP addresses offered to the client.