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.What is the advantage of using a satellite in microwave communication?
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Question 2 of 30
Q-2.At SIP level 2, a _____-byte header is added.
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Question 3 of 30
Q-3.In _______ the phase of the carrier signal is varied based on the information in a digital signal
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Question 4 of 30
Q-4.The data link control portion of most LAN protocols in use today is based on _______.
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Question 5 of 30
Q-5._______ signal repeats a pattern over and over again.
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Question 6 of 30
Q-6.What is the major weakness of asynchronous TDM?
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Question 7 of 30
Q-7.Which of the following condition is used to transmit two packets over a medium at the same time?
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Question 8 of 30
Q-8.A 2-microsecond duration of noise caused a single-bit error. What is the minimum data rate?
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Question 9 of 30
Q-9.IPV6 has _____ bit addresses.
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Question 10 of 30
Q-10.A _______ topology is a combination of several different topologies
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Question 11 of 30
Q-11.A transmission path can be divided into several _______
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Question 12 of 30
Q-12.When the angle of _______ is 90 degrees the angle of _______ is equal to the critical angle.
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Question 13 of 30
Q-13.Kermit uses the _______ character to notify the receiver that a control character is next
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Question 14 of 30
Q-14.A switch that waits until the whole packet has arrived before making routing decision, is called a _________ switch.
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Question 15 of 30
Q-15.As a light source for fiber-optic cable, _______ though inexpensive, can only be used for short-distance use
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Question 16 of 30
Q-16.The DC component problem is handled in AMI through _______
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Question 17 of 30
Q-17.In OSI model, which of the following layer transforms information from machine format into that
understandable by user?
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Question 18 of 30
Q-18.When DQDB is implemented as a ring and then a link or a station fails, _______ the slots
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Question 19 of 30
Q-19.A _______ is added to a 44-byte SIP level 3 data unit.
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Question 20 of 30
Q-20.Advantages of cell relay are
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Question 21 of 30
Q-21.Modulation is the process of ________
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Question 22 of 30
Q-22.The process of changing one of the characteristics of a carrier analog signal based on the information in a digital signal is called _______ conversion
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Question 23 of 30
Q-23.How many MICs are need for a DAC connecting 3 workstations to an FDDI ring?
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Question 24 of 30
Q-24.The natural mask for class E is _______________.
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Question 25 of 30
Q-25.AN HDLC _______ station sends responses
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Question 26 of 30
Q-26.The ________ flag indicates the availability of a router.
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Question 27 of 30
Q-27.The key element of a protocol is _______.
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Question 28 of 30
Q-28.The table of a multiprotocol router normally contains addresses belonging to ____________ protocol(s).
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Question 29 of 30
Q-29.X.25 uses the ___________ protocol at the data link layer.
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Question 30 of 30
Q-30.In the sliding window method of flow control, if the frame numbers range from 0 to 31, the size of the window is _______ frames.
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