Basic Computer Networks Questions and Answers

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Basic Computer Networks questions with answers help learners understand key networking concepts essential for IT and engineering students. This topic covers OSI layers, TCP/IP model, IP addressing, routing, and network devices like switches and routers. These technical interview questions and answers are commonly asked in campus placements and certification exams by companies such as Cisco, TCS, and Infosys. By practicing networking MCQs and interview-based questions, students can strengthen their fundamentals and perform better in both theoretical and practical assessments related to computer networks.

Basic Computer Networks

Showing 10 of 217 questions

41. How many bits internet address is assigned to each host on a TCP/IP internet which is used in all communication with the host ?

  • 16 bits
  • 32 bits
  • 48 bits
  • 64 bits
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42. A local area network

  • that connects thirty personnel computers can provide more compouting power than a minicomputer
  • controls error detection and correction
  • constructs packets of data and sends them across the network
  • none of these
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43. Which of the following is a wrong example of network layer ?

  • Internet protocol (I/P) ARPANET
  • X.25 packet land protocols (PLP-ISO)
  • Source routing and Domains Naming Usenet
  • X..25 level 2-ISO
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44. Network operating system that does not support symmetric multiprocessing (SMP) IS

  • Banyan (VINES)
  • Micro soft NT A dvanced server
  • SCO unix
  • Novell network 3.X
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45. A network which is used for sharing data, software and hardware among several users owning micro computers is called

  • WAN
  • MAN
  • LAN
  • VAN
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46. Difference computers are connected to a LAN by a cable and

  • modem
  • interface card
  • special wires
  • telephone lines
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47. ALOHA

  • is used for channel allocation problem
  • is use of data transfer
  • is buffering
  • all of these
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48. PURE ALOHA

  • Does not require global time synchronization
  • does require global time synchronization
  • both (a) and (b)
  • none of these
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49. Slotted ALOHA

  • divide time into discrete intervals
  • require global time synchronization
  • both (a) and (b) (d)none of these
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50. CSMA/CD

  • is an important protocol
  • is IEEE 802.3 (ethernet)
  • both (a) and (b)
  • none of these
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