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.The path overhead can be added to a SONET frame only by a ________.
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Question 2 of 30
Q-2.In FDM, the bandwidth of the link must be _______ the sum of the bandwidths of the signals to be combined
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Question 3 of 30
Q-3.The most popular implementation of EIA-232 is a _______-pin interface
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Question 4 of 30
Q-4.A UDP packet is called a _____________.
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Question 5 of 30
Q-5.For even parity, after adding the redundant bit, the number of _______
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Question 6 of 30
Q-6.A station in a network forwards incoming packets by placing them on its shortest output queue. What
routing algorithm is being used?
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Question 7 of 30
Q-7.Go-back-n ARQ is a _______ error control method
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Question 8 of 30
Q-8.A crossbar switch with 100 inputs and _______ outputs requires 20,000 crosspoints.
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Question 9 of 30
Q-9.Which of the following method is used for dedicated communications packet between two devices
through one or more intermediate switching nodes?
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Question 10 of 30
Q-10.Which method can detect all single-bit errors?
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Question 11 of 30
Q-11.A signal with a period of 1 microsecond has a higher frequency than a signal with a period of _______
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Question 12 of 30
Q-12.In _______ modulation, the baud rate is 1/4 times the bit rate.
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Question 13 of 30
Q-13.The value of an LAPD address is 00000000 00010001. The frame is destined for a TE with address _________.
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Question 14 of 30
Q-14._______ is an interface standard designed by the ITU-T
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Question 15 of 30
Q-15.A sender has a sliding window of size 15. The first 15 frames are sent. The receiver receives 10 frames. How many frames can the receiver still receive?
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Question 16 of 30
Q-16.When DQDB is implemented as a ring and then a link or a station fails, _______ the slots
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Question 17 of 30
Q-17._______ signal has no repeating pattern.
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Question 18 of 30
Q-18.A simple sine wave completes one cycle in one microsecond. Its frequency is _______
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Question 19 of 30
Q-19.Standards for ISDN are developed by _______.
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Question 20 of 30
Q-20.Ethernet, Token Ring, and Token Bus are all different types of _______.
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Question 21 of 30
Q-21.For a direct delivery, the ________ flag is on.
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Question 22 of 30
Q-22.If device X has 10 downstream stations and 3 upstream stations, how many stations are on the DQDB bus?
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Question 23 of 30
Q-23.Light travels at _______ in a vacuum.
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Question 24 of 30
Q-24.In _______ encoding positive and negative amplitudes represent the bits
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Question 25 of 30
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Question 26 of 30
Q-26.A _________ is a high-speed path composed of multiplexed channels.
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Question 27 of 30
Q-27.A decrease in magnitude of current, voltage, a power signal in transmission between points is known
as _________
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Question 28 of 30
Q-28.At SIP level _______, the transmission medium and signaling system are defined.
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Question 29 of 30
Q-29.An acknowledgment at the PLP layer is encapsulated in _________ at the data link layer.
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Question 30 of 30
Q-30.In a frequency-domain plot, the signal amplitude of a simple sine wave is plotted against _______
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