Nokia 4A0-100 Online Practice Questions and Exam Preparation

Nokia 4A0-100 Online Questions & Answers

• Question 11:

  Which of the following statements regarding TCP is TRUE?

  A. Sequence numbers are used to ensure that the data received is offered to the application in the correct order.
  B. The SYN flag is used to identify congestion in the network.
  C. The NACK flag is set on confirmation segments to acknowledge FCS errors.
  D. The window size is transmitted in all TCP segments to communicate MTU limitations of lower layer protocols to upper layer applications.
  A. Sequence numbers are used to ensure that the data received is offered to the application in the correct order.

• Question 12:

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

  A. It is used as a L3 broadcast address.
  B. It is a logical interface address.
  C. It can have any prefix value.
  D. It is used for layer-2 forwarding.
  B. It is a logical interface address.

• Question 13:

  How does the Transport Layer identify which application is to receive the data?

  A. Using the IP address of the packet.
  B. Using the MAC address of the frame.
  C. Using port numbers.
  D. Using Connection Identifier Numbers (CIN).
  C. Using port numbers.

• Question 14:

  Which of the following is required if devices on different VLANs wish to communicate with each other?

  A. Devices on different VLANs cannot communicate with each other.
  B. Devices on different VLANs can communicate with each other if they are connected to the same switch.
  C. Devices on different VLANs can communicate with each other if the switches are connected using a single high-bandwidth port.
  D. Devices on different VLANs can communicate with each other if there is a router to connect the VLANs.
  D. Devices on different VLANs can communicate with each other if there is a router to connect the VLANs.

• Question 15:

  What information is used to separate VLANs on a VLAN trunk that connects multiple VLANs?

  A. The VLAN tag
  B. The IP Header
  C. The VID
  D. The Priority Value
  A. The VLAN tag

• Question 16:

  Which of the following are important to consider when designing IPv4 subnets? (Choose 3)

  A. The number of subnetworks currently required.
  B. The version of the Ethernet used by each segment.
  C. Future network growth requirements.
  D. The number of hosts each subnetwork will support.
  E. The class of the IP address assigned to an organization.
  A. The number of subnetworks currently required.
  C. Future network growth requirements.
  D. The number of hosts each subnetwork will support.

• Question 17:

  What happens in a TCP session if a segment is not acknowledged within a certain time period?

  A. The missing segment is retransmitted.
  B. The TCP session is terminated.
  C. The sender sends the next segment.
  D. An ICMP destination unreachable message is sent.
  A. The missing segment is retransmitted.

• Question 18:

  Which compact flash on a control processing module (CPM) of a Nokia 7750 router stores the runtime software image and the configuration file?

  A. CF 1
  B. CF 2
  C. CF 3
  D. Both A and B
  C. CF 3

• Question 19:

  Which of the following are considered Virtual Private Network (VPN) technologies? (Choose 3)

  A. BGP
  B. VPWS
  C. VPRN
  D. ISP
  E. VPLS
  B. VPWS
  C. VPRN
  E. VPLS

• Question 20:

  Which of the following statements is TRUE regarding IP addressing?

  A. Classful IP addressing provides hierarchy based on variable subnet masks.
  B. Classless IP addresses provide hierarchy based on a variable length subnet mask.
  C. Classless IP addresses provide hierarchy based on fixed subnet masks of /24. /16 and/8.
  D. IP addresses provide hierarchy based on the country code and regional identifier.
  B. Classless IP addresses provide hierarchy based on a variable length subnet mask.