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.XMODEM, BLAST, and Kermit are all _______ protocols
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Question 2 of 30
Q-2.An STS-1 frame has _______ rows.
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Question 3 of 30
Q-3.In ________ delivery, both the deliverer of the IP packet and the destination are on the same network.
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Question 4 of 30
Q-4.A sender using stop-and-wait ARQ retransmits a frame when _______
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Question 5 of 30
Q-5.The most flexibility in how devices are __________ together is provided by bus topology.
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Question 6 of 30
Q-6.When a DTE receives a corrupted PLP packet, it sends an _________ control packet to the sender DTE.
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Question 7 of 30
Q-7.The DLCIs in Frame Relay are defined as part of the _________ field.
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Question 8 of 30
Q-8.The receiver's window in a sliding window protocol expands when _______.
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Question 9 of 30
Q-9.A TCP packet is encapsulated in a(n) _____________.
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Question 10 of 30
Q-10.In the analog hierarchy, a _______ consists of 600 independent voice channels
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Question 11 of 30
Q-11.End-to-end addressing for X.25 is done by the _______ protocol.
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Question 12 of 30
Q-12.The equivalent of 20 MHz is _______.
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Question 13 of 30
Q-13.In which type of modulation can the bit rate be three times the baud rate?
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Question 14 of 30
Q-14.The receive equalizer reduces delay distortions using ________
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Question 15 of 30
Q-15.In BSC, the BCC character can follow the _______ character.
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Question 16 of 30
Q-16.Protocols in which the sender sends one frame and then waits for an acknowledgement before
proceeding are called __________
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Question 17 of 30
Q-17.When a server goes down, this is a network _______ issue
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Question 18 of 30
Q-18.A switch that waits until the whole packet has arrived before making routing decision, is called a _________ switch.
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Question 19 of 30
Q-19.The frequency range of visible light is _______ than the frequency range used in radio communication
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Question 20 of 30
Q-20.The _______ of a TSI holds the incoming input datA.
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Question 21 of 30
Q-21.An interconnection of ________________________ computers is called an Internet
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Question 22 of 30
Q-22.The most widely used asynchronous protocol is _______
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Question 23 of 30
Q-23.The amount of uncertainty in a system of symbol is called ______
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Question 24 of 30
Q-24.Session layer checkpoints _____
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Question 25 of 30
Q-25.The _______ implementation of EIA-232 is often used in a single asynchronous connection
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Question 26 of 30
Q-26.Which of the following is not a guided medium?
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Question 27 of 30
Q-27.The D channel uses _______ the protocol in the data link layer.
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Question 28 of 30
Q-28.If we need to split a 10BASE5 LAN because the signal is very weak at the end of the line, we need a ____________.
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Question 29 of 30
Q-29.A signal with a period of 1 microsecond has a higher frequency than a signal with a period of _______
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Question 30 of 30
Q-30.If the data sent during a period of T seconds is greater than Bc + Be , the user data ___________
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