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

211. Which of the following is not a standard RS-232C signal ?

  • RTS
  • CTS
  • DSR
  • VDR
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212. A high speed communication equipment typically would not be needed for

  • E-mail
  • transferring large volume of data
  • supporting communication between nodes in a LAN
  • all of the above
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213. Which of the following ISO level is more closely related to the physical communications facilities ?

  • Application
  • Session
  • Network
  • Data link
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214. Which of the following is not a field in the Ethernet message packet ?

  • Type
  • Data
  • Pin-code
  • Address
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215. The network topology that supports bi-directional links between each possible node is

  • ring
  • star
  • tree
  • mesh
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216. In a broad sense, a railway track is an example of

  • simplex
  • half-duplex
  • full-duplex
  • all of the above
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217. ICI (interface control information) is

  • used to transfer user data from layer to layer
  • used to exchange information by peer entities at different sites on the network to instruct an entity to perform a service function
  • a combination of service data unit (SDU) and protocol control information (PCI)
  • a temporary parameter passed between N and N - 1 layers to involve service functions between two layers
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