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 _______ layer is the network dialog controller.
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Question 2 of 30
Q-2.In the HDLC _______, the secondary device must have permission from the primary before it can transmit.
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Question 3 of 30
Q-3.The network address in Class E (without subnetting) has _______ zero(s) in decimal notation.
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Question 4 of 30
Q-4.A sub division of main storage created by operational software is referred to as ________
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Question 5 of 30
Q-5.In _______ encoding positive, negative, and zero amplitudes represent the bits
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Question 6 of 30
Q-6.The transmission signal coding method of TI carrier is called _________
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Question 7 of 30
Q-7.The _______ of a sine wave is dependent on its frequency and its medium
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Question 8 of 30
Q-8. In ______ topology if the computer cable is broken, networks get down
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Question 9 of 30
Q-9.ISO stands for _____________
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Question 10 of 30
Q-10.Modulation in which two binary values are represented by two different amplitudes of the carrier
frequency is known as ___________
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Question 11 of 30
Q-11.In _______ delivery, a packet is not connected to any other packet.
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Question 12 of 30
Q-12.An STS-1 frame contains _______ octets.
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Question 13 of 30
Q-13.One micron is _______ meters
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Question 14 of 30
Q-14.The receiver address that is added to user data in SIP level 3 is _______ bytes in length.
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Question 15 of 30
Q-15.In a connection-oriented exchange the first phase is _______ between the transport layers of the source and destination
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Question 16 of 30
Q-16.When a light beam moves to a less dense medium, the angle of refraction is _______ the angle of
incidence.
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Question 17 of 30
Q-17.As a beam of light goes from the air into a body of water, its speed _______.
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Question 18 of 30
Q-18.Every PLP packet is encapsulated in ___________ at the data link layer.
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Question 19 of 30
Q-19.A non-boundary ATM switch usually uses _______ for routing.
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Question 20 of 30
Q-20.Which factor makes fiber-optic cable superior to twisted-pair cable?
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Question 21 of 30
Q-21.An 8-QAM constellation is a _________ modulation
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Question 22 of 30
Q-22.A class E address starts with the _________bit(s).
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Question 23 of 30
Q-23.Identify the Odd term among the following group.
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Question 24 of 30
Q-24.Physical topology is a concern of the _______ layer.
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Question 25 of 30
Q-25.When a user dials a number, which of the following messages is sent by the D channel to the network?
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Question 26 of 30
Q-26.In distance vector routing, a router has a route as Destination: N, Hop Count: 7, Next Hop: B. It receives a packet from C with a route to N as Destination: N, Hop Count: 5. The new route to N should be _______________.
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Question 27 of 30
Q-27.In synchronous serial transmission, if we are sending 80 Kbps, we send _______ characters per second.
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Question 28 of 30
Q-28.The first geostationary satellite had a single spatial beam that illuminated about 1/3 of the earth’s
surface called its _______
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Question 29 of 30
Q-29.Many large organization with their offices in different countries of the world connect their computers
through telecommunication satellites and telephone lines. Such communication network is called
_________
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Question 30 of 30
Q-30.Advantages of cell relay are
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