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. Dive into the realm of data communication and networking with these thought-provoking MCQs to bolster your expertise in this ever-evolving field.

Section-1

PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE

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1. A computer network permits sharing of

  • Resources
  • Information 
  • Both a & b
  • None of these

2. The first operational computer network in the world was the _________ for the United States Department of Defense

  • ARPANET 
  • ERNET
  • SKYNET
  • DARPANET

3. ATM stands for

  • Automatic taller machine 
  • Automated teller machine
  • Automatic transfer machine
  •  Automated transfer machine

4. _______ is the technology that connects the machines and people within a site in a small area

  • LAN 
  • MAN
  • WAN
  • None of these

5. ______ is a network that covers geographic areas that are larger, such as districts or cities

  • LAN 
  • MAN 
  • WAN
  • None of these

6. ______ is a network that this technology connects sites that are in diverse locations

  • LAN
  • MAN
  • WAN 
  • None of these
  • LAN
  • MAN
  • WAN
  • Ring topology

8. The ISDN Internetworking Equipment devices are

  • Terminal Adapters(TAs)
  • ISDN Bridges
  • ISDN Routers
  • All of these

9. ATM networks are

  • connectionless
  • Interconnected
  • connection oriented
  • None of these

10. DHCP stands for

  • Dynamic Host Configuration Protocol
  • Digital Host Communication Provider
  • Digital Host Communication Protocol
  • Dynamic Host Configuration Provider

Section-2

PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE

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1. Transmission media are usually categorized as __________

  • fixed or unfixed
  • determinate or indeterminate.
  • guided or unguided.
  • metallic or nonmetallic.

2. ___________ cable consists of an inner copper core and a second conducting outer sheath.

  • Twisted pair
  • Fiber-optic
  •  Radio
  • Shielded twisted pair.

3. Which of the following is not a guided medium?

  • Twisted – pair.
  • Coaxial cable
  • Fiber-optic
  • Atmosphere

4. Which of the following primarily uses guided media?

  • Cellular telephone system
  • Local telephone system
  • Satellite Communications
  • Radio broadcasting

5. The amount of uncertainty in a system of symbol is called ______

  • bandwidth
  • entrophy
  • loss
  • Quantum

6. Coaxial cable has conductors with ________

  • equal resistance
  • the same diameter
  • a common axis
  • above the common axis

7. A device that converts digital signals into analog signals is __________

  • a packet
  • gateway
  • modem
  • repeater

8. All of the parts in a computer talk to each other by sending _________

  • digital signals
  • smoothly varying signal waves
  • analog signals
  • light

9. If user get both local and remote echoes, every character type will appear on the screen _______

  • once
  • twice
  • three times
  • never

10. What protects the coaxial cable from noise?

  • Inner conductor
  • Outer conductor
  • Diameter of cable
  • Insulating material
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