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.A bridge functions in a _______ layer.
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Question 2 of 30
Q-2.The B channel uses _______ the protocol in the data link layer.
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Question 3 of 30
Q-3.What is the class of the address 130.8.119.1?
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Question 4 of 30
Q-4.In ______ routing, the destination address is a network address in the routing tables.
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Question 5 of 30
Q-5.A protocol that specifies that the receiver address occupy the first byte of the data packet differs in _______ from a protocol that specifies that the receiver address occupy the third byte of the data packet
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Question 6 of 30
Q-6.A signal is decomposed into three sine waves with frequencies of 10, 20, and 30 Hz. The bandwidth of the signal is _______ Hz
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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 natural mask for class D is _______________.
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Question 9 of 30
Q-9.A repeater operates at layer(s) _________ of the OSI model.
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Question 10 of 30
Q-10.The highest STS level has a data rate of _________ Mbps.
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Question 11 of 30
Q-11.The _______ of a signal is the time it needs to complete one cycle.
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Question 12 of 30
Q-12.The length of the TCP header without options is _______ bytes.
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Question 13 of 30
Q-13.In a DQDB with _______ devices, no queues are needed.
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Question 14 of 30
Q-14.An ISDN address can define up to _________ subaddresses.
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Question 15 of 30
Q-15.The Triple-X protocols associated with X.25 are_____________.
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Question 16 of 30
Q-16.What is the netid of the address 200.66.10.21?
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Question 17 of 30
Q-17.In a time-domain plot, signal amplitude is plotted against _______
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Question 18 of 30
Q-18.In the Dijkstra algorithm the process of finding the shortest path starts with a tree with _______ node(s).
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Question 19 of 30
Q-19._______ signal has no repeating pattern.
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Question 20 of 30
Q-20.XMODEM, BLAST, and Kermit are all _______ protocols
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Question 21 of 30
Q-21.When a beam of light travels through media of two different densities, if the angle of incidence is
greater than the critical angle, ______ occurs.
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Question 22 of 30
Q-22.When a primary has data to send to a secondary, it sends a _______ frame to the secondary.
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Question 23 of 30
Q-23.SMDS is a service that links _______ into a _______
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Question 24 of 30
Q-24.In the transmission of terrestrial microwaves, _______ can regenerate the signal at each antenna
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Question 25 of 30
Q-25.Each area has a _________ agent which keeps track of all mobile hosts visiting the area.
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Question 26 of 30
Q-26.A _______ is a physical communication pathway that transfers data from one device to another
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Question 27 of 30
Q-27.Which of the following signals is not standard RS-232-C signal?
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Question 28 of 30
Q-28.Line discipline is mainly a function of the _______ layer.
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Question 29 of 30
Q-29.The _______ wave is the simplest analog signal.
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Question 30 of 30
Q-30.Which function allows dumping of invalid packets for a specific network instead of
forwarding
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