Nokia 4A0-100 Online Practice Questions and Exam Preparation

Nokia 4A0-100 Online Questions & Answers

• Question 1:

  Which of the following is a characteristic of Port Address Translation?

  A. Resolves a MAC address given a specific IP address.
  B. Allows a single public IP address to represent multiple private IP addresses simultaneously.
  C. Maps a private address to a well known port number.
  D. Provides a one-to-one mapping from a private to a public address.
  B. Allows a single public IP address to represent multiple private IP addresses simultaneously.

• Question 2:

  Which of the following statements are TRUE regarding SONET/SDH? (Choose 2)

  A. They are deployed over point-to-point physical topologies to allow sub-50ms convergence.
  B. An ADM (Add Drop Multiplexer) is used to connect various sites to the infrastructure.
  C. IP datagrams are encapsulated in a PPP frame for transmission over an SDH network,
  D. IP datagrams are encapsulated in an Ethernet frame for transmission over a SONET network.
  A. They are deployed over point-to-point physical topologies to allow sub-50ms convergence.
  D. IP datagrams are encapsulated in an Ethernet frame for transmission over a SONET network.

• Question 3:

  Which of the following is NOT characteristic of Ethernet?

  A. It is a broadcast technology that can send frames to all devices attached to shared media.
  B. It uses a passive, wait-listen protocol called Carrier Sense Multiple Access with Collision Detection (CSMA/ CD).
  C. It uses IP addresses to identify interfaces on the common network media.
  D. It is part of the network interface layer of the TCP/IP protocol suite.
  C. It uses IP addresses to identify interfaces on the common network media.

• Question 4:

  What is the function of the Routing Table Manager?

  A. Based on the metrics of the routing protocol, find the best path to the destination network and install it in the routing table.
  B. Provide a CLI interface to allow the operator to configure the dynamic routing protocol on the router.
  C. Based on the routing protocol preference values, chose the route with the lowest preference and install it in the routing table.
  D. Provide a CLI interface to allow the network operator to install static routes in the routing table.
  C. Based on the routing protocol preference values, chose the route with the lowest preference and install it in the routing table.

• Question 5:

  What must occur before a LAG becomes operational?

  A. There must be multiple ports assigned to the LAG.
  B. All ports in the LAG must be configured with the same speed and duplex settings.
  C. Auto-negotiation must be enabled on all ports in the LAG.
  D. The duplex setting on all the ports must be forced to half.
  E. Auto-negotiation must be set to limited or disabled on at least one member port.
  B. All ports in the LAG must be configured with the same speed and duplex settings.

• Question 6:

  Which of the following about the displayed IP filter is TRUE?

  

  A. UDP (protocol 17) packets with destination IP address 1.2.3.0/24 and destination port number between 200 and 300 are forwarded.
  B. UDP (protocol 17) packets with destination IP address 1.2.3.0/24 and destination port number between 200 and 300 are dropped.
  C. UDP (protocol 17) packets with destination IP address 1.2.3.0/24 or destination port numbers 200 or 300 are dropped.
  D. UDP (protocol 17) packets with destination IP address 1.2.3.0/24 and source port number between 200 and 300 are dropped.
  A. UDP (protocol 17) packets with destination IP address 1.2.3.0/24 and destination port number between 200 and 300 are forwarded.

• Question 7:

  Which network was created to replace ARPANET?

  A. INWG
  B. ALOHANET
  C. IETF
  D. NSFNET
  D. NSFNET

• Question 8:

  Which of the following is part of the IP forwarding process?

  A. The router does a longest prefix match lookup.
  B. The router checks the source address in the MAC FDB.
  C. The router assigns a cost to each of its interfaces.
  D. The router advertises routes to its neighbors.
  B. The router checks the source address in the MAC FDB.

• Question 9:

  Which of the following describes the Nokia 7750 SR Input/Output Module (IOM)?

  A. Small optical module available in a variety of formats.
  B. Contains a CPU for managing the forwarding hardware in each flexible fast path.
  C. Converts traffic from an external standard format to an internal format.
  D. Contains the CPU that runs the routing protocol software as well as the switch fabric.
  B. Contains a CPU for managing the forwarding hardware in each flexible fast path.

• Question 10:

  Based on the network diagram (click on exhibit), R2 wants to connect to the networks behind CR1 using a static-route. What is the correct syntax given the choices below? R1 has a valid static-route defined for networks behind CR1.

  

  A. config router static-route 192.168.2.0/24 next-hop 10.2.3.2
  B. config router static-route 192.168.2.0/24 next-hop 10.1.1.1
  C. config router static-route 192.168.2.0/24 next-hop 10.2.3.1
  D. config router static-route 192.168.2.0/24 next-hop 10.1.1.2
  E. none of the above
  B. config router static-route 192.168.2.0/24 next-hop 10.1.1.1