Basic Computer Networks Questions and Answers
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
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217 questions
141. Which of the following uses an 8B/6T encoding scheme ?
- 100 Base-TX
- 100 Base-FX
- 100 Base-T4
- 100 Base-T1
142. IBM's Token-Ring network uses
- adaptive routing
- source routing
- alternative routing
- spanned tree routing
143. The systems that can be used in both priority and nonpriority modes, is
- TDM
- register insertion
- carrier sense systems
- token passing
144. In a crossbar with 1000 crosspoints, how many statistically are in use at any time ?
- 100
- 250
- 500
- 1000
145. In which circuit switching, delivery of data is delayed because data must be stored and retrieved from RAM ?
- space-division
- time-division
- virtual
- packet
146. Which of the following can be handled by a gateway ?
- protocol conversion
- packet resizing
- data encapsulation
- both (a) and (b)
147. Gateways function in which OSI layers ?
- the lower three
- the upper four
- all seven
- all but the physical layer
148. repeaters function in which layer(s) ?
- physical
- data link
- network
- both (a) and (b)
149. Bridges function in which layer(s).
- physical
- data link
- network
- both (a) and (b)
150. routers function in which layers ?
- physical and data link
- physical data link, and network
- data link and network
- network and transport