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
71. In Ethernet CSMS/CD, the special bit sequence transmitted by media access management collision handling is called as
- preamble
- postamble
- jam
- none of these
72. Adaptive or dynamic directory used in packet routing changes
- within each user session
- with eachd user session
- at system generation time only
- none of these
73. A terminal multiplexer has six 1200 bps terminals and 'n' 300 bps terminals connected to it.The outgoing line is 9600 bps. the maximum value of n is
- 4
- 16
- 8
- 28
74. Number of cross point point needed for 10 lines in a cross point switch which is full duplex in nature and there are no self-connection is
- 100
- 45
- 8
- 28
75. A modern constellation diagram has data points at (0, 1) and (0, 2). The modern uses
- phase modulation
- amplitude modulation
- both (a) and (b)
- none of these
76. Maximum data rate of a channel for a noiseless 3-kHz binary channel is
- 3000 bps
- 6000 bps
- 1500 bps
- none of these
77. Maximum data rate of a channel of 3000 Hz bandwidth and SNR of 30 dB is
- 75, 000 bps
- 60, 000 bps
- 30, 000 bps
- 30, 000 bps