Data Communication and Networking MCQs offer a valuable resource to test and enhance your understanding of the intricate world of data transmission, network protocols, and communication technologies. Whether you’re a student preparing for exams or a professional aiming to strengthen your knowledge, these multiple-choice questions with Answers cover a wide spectrum of topics, including network architecture, protocols, and security. These MCQs will help students in university exams,competitive exams and interviews preparation.

Section-1

PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE

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1. The application layer of a network ________

  • establishes, maintains and terminates virtual circuits.
  • consists of software being run on the computer connected to the network
  • defines the users port into the network.
  • allows communication channel to be shared.

2. Devices on one network can communicate with devices on another network via __________

  • file server.
  • printer server.
  • utility server.
  • gateway.

3. A network that requires human intervention of route signals is called a ______

  • bus network.
  • ring network
  • star network.
  • T- switched network

4. A _________ network configuration in which all data/information pass through a central computer is star network.

  • central
  • ordered
  • distributed
  • T – switched

5. The most flexibility in how devices are __________ together is provided by bus topology.

  • wired
  • ring
  • star
  • switched

6. _______ is a ring network.

  • ADI
  • ADDI
  • FDI
  • FDDI

7. How many pairs of stations can simultaneously communicate on Ethernet LAN?

  • 1
  • 2
  • 3
  • Multiple

8. A modem that is attached to the telephone system by jamming the phone,s handset into two flexible receptacles in the coupler

  • gateway
  • time – division multiplexe
  • acoustic coupler
  • bridge

9. Gateway allows devices on one network to ________ with devices on another network?

  • Decode
  • Communicate
  • Convert
  • Seperate

10. A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used?

  • Flooding
  • Hot potato routing
  •  Static routing
  • Delta routing

Section-2

PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE

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1. In ______ routing, the destination address is a network address in the routing tables.

  • next-hop
  • host-specific
  • network-specific.
  • default

2. The ________ flag indicates the availability of a router.

  • up
  • host specific
  • gateway
  • added by redirection.

3. For a direct delivery, the ________ flag is on.

  • Up
  • host specific
  • Gateway
  • added by redirection.

4. The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as __________

  • synchronizing
  • demodulation
  • modulation
  • default

5. User datagram protocol is called connectionless because

  • all UDP packets are treated independently by transport layer
  • it sends data as a stream of related packets
  • both (a) and (b)
  • none of the above

6. Which of the following does not allow multiple users or devices to share one communication line?

  • Doubleplexer
  • Concentrator
  • Multiplexer
  • Controller

7. After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?

  • Telex
  • Electronic mail.
  • Facsimile
  • Word processor

8. Videotex is a combination of _______

  • computer technology.
  • television
  • computers
  • all of the above

9. Usually it takes 10 bits to represent one character. How many characters can be transmitted at a speed of 1200 bps?

  • 10
  • 12
  •  20
  • 1200

10. Who invented the modem?

  • Wang Laboratories.
  •  AT & T.
  • Apple computers.
  • Satyam conferencing.
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