Basic Computer Networks Questions and Answers

Practice Mode
Showing 10 of 217 questions
Q71
In Ethernet CSMS/CD, the special bit sequence transmitted by media access management collision handling is called as
  • A preamble
  • B postamble
  • C jam
  • D none of these
Answer: Option C
Q72
Adaptive or dynamic directory used in packet routing changes
  • A within each user session
  • B with eachd user session
  • C at system generation time only
  • D none of these
Answer: Option A
Q73
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
  • A 4
  • B 16
  • C 8
  • D 28
Answer: Option C
Q74
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
  • A 100
  • B 45
  • C 8
  • D 28
Answer: Option B
Q75
A modern constellation diagram has data points at (0, 1) and (0, 2). The modern uses
  • A phase modulation
  • B amplitude modulation
  • C both (a) and (b)
  • D none of these
Answer: Option B
Q76
Maximum data rate of a channel for a noiseless 3-kHz binary channel is
  • A 3000 bps
  • B 6000 bps
  • C 1500 bps
  • D none of these
Answer: Option B
Q77
Maximum data rate of a channel of 3000 Hz bandwidth and SNR of 30 dB is
  • A 75, 000 bps
  • B 60, 000 bps
  • C 30, 000 bps
  • D 30, 000 bps
Answer: Option C
Q78
Find out the following. Entry for NN if FD is node B is
  • A E
  • B C
  • C G
  • D none of these
Answer: Option B
Q79
Entry of OD for the above case is
  • A 12
  • B 8
  • C 4
  • D 3
Answer: Option C
Q80
the OD if FD is node A is
  • A 13
  • B 11
  • C 9
  • D 7
Answer: Option D

📚 More from Networking

← All Topics 🎯 Practice ⏱️ Take Test 🔍 Search
Networking
Back to Networking
Other Subjects
Questions and Answers for Competitive Exams Various Entrance Test