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
Showing 10 of
217 questions
21. Which of the following digits are known as the terminal number of the network user address (NUA) ?
- 5 - 7
- 1 - 4
- 8 - 12
- 13 - 14
22. Which of the following device is used with an X-25 network to provide service to asynchronous terminals ?
- Repeater
- Bridges
- Gateway
- Packet assembled
23. Which of the following network access standard disassembler is used for connection station to a packet switched network ?
- X.3
- X.21
- X.25
- X.75
24. Four bits are used for packed sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size ?
- 4
- 8
- 15
- 16
25. Which of the following network access standard is used for connecting station to a circuit switched network ?
- X.3
- X.21
- X.25
- X.75
26. Satelite Switched Time-Divsion Multiple Access (SS/TDM) is
- the method of determining which device has access to the trasmission medium at any time
- a medium access control technique for multiple access transmission media
- a form of TDMA in which circuit switching is used to dynamically change the channel assignments
- all of these
27. A station in a network forward incoming packets by placing them on its shortest output queue. What routing algorithm is being used ?
- Hot potato routing
- Flodding
- Static routing
- Delta routing
28. IP address can be used to specify a broadcast and map to hardware broadcast if available. By conversion broadcast address has hosted with all bits
- 0
- 1
- both (a) and (b)
- none of these
29. How many hosts are attached to each of the local area network at your site?
- 128
- 254
- 256
- 64
30. ICMP (internet control message protocol) is
- a protocol that handles error and control messages
- a protocol used to monitor compouters
- Both (a) and (b)
- none of these