With each visit of this Data Communication and Networking online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.
Test Instructions
Question type
Randomized MCQs.Changes every time you visit the test
Total Number of Questions
30
Time Limit
20 Minutes
Points
1 Point for each Question
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Question 1 of 30
Q-1.Which type of switching uses the entire capacity of a dedicated link?
Your Answer:Correct
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Question 2 of 30
Q-2.What is the minimum number of wires needed to send data over a serial communication link layer?
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Question 3 of 30
Q-3.In the analog hierarchy, a _______ consists of 60 independent voice channels.
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Question 4 of 30
Q-4.In the transmission of terrestrial microwaves, _______ can regenerate the signal at each antenna
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Question 5 of 30
Q-5._______ allow the demultiplexer to synchronize with the incoming stream
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Question 6 of 30
Q-6.B8ZS is a _______ encoding method.
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Question 7 of 30
Q-7.The first bit of the _______ field in the PDU indicates the type of PDU (command or response).
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Question 8 of 30
Q-8.When compared with the OSI reference model, the IEEE standard contains the following layers:
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Question 9 of 30
Q-9.The maximum value of the window size in TCP is ___________.
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Question 10 of 30
Q-10.The virtual circuit identifier in X.25 is called the _______.
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Question 11 of 30
Q-11.The purpose of _______ is to compensate for an attenuated signals loss
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Question 12 of 30
Q-12.When secondary station B sends an HDLC frame to primary station A, the address field contains the _______
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Question 13 of 30
Q-13.In distance vector routing, the updating packets are sent ________________.
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Question 14 of 30
Q-14.The value of an LAPD address is 00000000 00010001. The frame is destined for a TE with address _________.
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Question 15 of 30
Q-15.A bit interval of 10 milliseconds means a bit rate of _______bps.
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Question 16 of 30
Q-16.In _______ encoding, anytime there are eight or more consecutive 0 bits, violations are deliberately introduced
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Question 17 of 30
Q-17.In a TST switch, if there are x first stage switches, one second stage switch, and y third stage switches, the second stage must have _______ crosspoints
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Question 18 of 30
Q-18.When the packets are small and all the same size, they are often called ________
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Question 19 of 30
Q-19.If data were sent at 54 Kbps, what duration of noise would cause a single-bit error?
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Question 20 of 30
Q-20._______ signal is digital
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Question 21 of 30
Q-21.The address field of a frame is 00000100 00011001. There is congestion in the _______ direction.
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Question 22 of 30
Q-22.The downward beams of a satellite can be broad , covering a substantial fraction of the earth’s surface
or narrow, covering an area only hundreds of kilometers in diameter. This mode of operation is known as a
____
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Question 23 of 30
Q-23.In _______, an analog signal is sampled at equal intervals, with the resulting pulses still analog in value
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Question 24 of 30
Q-24.Negative acknowledgment requires an HDLC S-frame with the code field set to _______
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Question 25 of 30
Q-25.Signal reflection at the taps can cause signal degradation in a _______ topology
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Question 26 of 30
Q-26.Most of the internet users are on a class ________ network
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Question 27 of 30
Q-27.Which is not a basic multiplexing method?
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Question 28 of 30
Q-28.In the domain name chal.atc.fhda.edu ________ is the least specific label.
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Question 29 of 30
Q-29.A UDP packet is encapsulated in a(n) _____________.
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Question 30 of 30
Q-30.When a light beam is reflected back into the medium, the angle of _______ equals the angle of _______.
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