In the name of ALLAH, the most beneficient, the most merciful

Computer Network (CS610)

Multiple Choice Questions (MCQs)

 

Objective Questions

Question

The network occupies larger areas like cities & countries is called

  1. LAN
  2. WAN
  3. MAN
  4. All of the above

Answer: 2 Chapter No. 1 

Question

The first automated tool required to see whether the given computer is online or not was

  1. Probing program
  2. PING program
  3. status program
  4. None of the above

Answer: 2 Chapter No. 2 

Question

LAN interface may use _________ to copy frame data directly from main memory.

  1. DMA
  2. FDDI
  3. CSMA/CD
  4. None of the given

Answer: 1 Chapter No. 9 

Question

When an application _________ data, it makes a copy of the data available to all other computers on the network.

  1. Broadcasting
  2. Multicasting
  3. Unicasting
  4. None of the given

Answer: 1 Chapter No. 9 

Question

The third field of the header consists of ___________ bit Ethernet frame type.

  1. 48
  2. 32
  3. 16
  4. 8

Answer: 3 Chapter No. 10 

Question

The maximum cable length of a LAN is ________.

  1. Fixed
  2. Unlimited
  3. Fixed and Unlimited in different conditions
  4. None of these

Answer: 1 Chapter No. 13 

Question

The mechanism extending the optical fiber across several kilometers is very successful because delays on optical fiber are very _______ and bandwidth is very _______.

  1. Low, High
  2. High, Low
  3. High, High
  4. Low, Low

Answer: 1 Chapter No. 13 

Question

The physical addressing in a WAN is similar as in LAN in the way __________.

  1. The data is transmitted in packets equivalent to frames.
  2. Each packet has a format with header.
  3. The packet header includes destination and source addresses.
  4. All of the above

Answer: 4 Chapter No. 15 

Question

To span long distances or many computers, networks must replace shared medium with _________.

  1. segment transformation
  2. fiber optices
  3. packet switches
  4. None of the above

Answer: 3 Chapter No. 15 

Question

Which of the following is a benefit of source independence?

  1. It allows fast and efficient routing.
  2. Packet switch do not need to have complete information about all destinations
  3. Network functions even if topology changes
  4. All of the above

Answer: 4 Chapter No. 16 

Question

Which of the following is not a benefit of Source Independence?

  1. It allows fast and efficient routing.
  2. Packet switch need not hove complete information about all destinations.
  3. network functions even if topology changes.
  4. None of the above.

Answer: 4 Chapter No. 16 

Question

An interior switch is one with wich _____________.

  1. Computers are attached.
  2. No computer is attached.
  3. Computers are attached internally.
  4. None of the above.

Answer: 2 Chapter No. 16 

Question

How many methods exist for computing routing table?

  1. 5
  2. 4
  3. 3
  4. 2

Answer: 4 Chapter No. 17 

Question

Which of the following statement is true regarding ATM?

  1. It is a single technology for voice, video and data.
  2. It has low jitter and high capacity.
  3. It uses fixed size, small cells, 48 octet’s data.
  4. All of the above

Answer: 4 Chapter No. 17 

Question

Which of the following is called virtual channel?

  1. Connection in VCI
  2. Connection in ATM
  3. Connection in virtual circuit
  4. None of the above

Answer: 2 Chapter No. 18 

Question

Two computers with a connection through an ATM network will likely have same VPI/VCI values for each end of the connection.

  1. true
  2. false

Answer: 2 Chapter No. 19 

Question

VBR stands for __________.

  1. Virtual Bit Rate
  2. Virtual Byte Rate
  3. Variable Byte Redundancy
  4. Variable Bit Rate

Answer: 4 Chapter No. 19