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.Which of the following is not a retrieval method?
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Question 2 of 30
Q-2.An IP address is _________ bits.
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Question 3 of 30
Q-3.In the analog hierarchy, a _______ consists of 3600 independent voice channels
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Question 4 of 30
Q-4.In virtual circuit network each packet contains
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Question 5 of 30
Q-5.When compared with the OSI reference model, the IEEE standard contains the following layers:
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Question 6 of 30
Q-6.An STS-1 frame contains _______ bits.
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Question 7 of 30
Q-7.The data link layer takes the packet it gets from the network layer and encapsulates them into
___________
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Question 8 of 30
Q-8.HDB3 is a _______ encoding method.
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Question 9 of 30
Q-9.An 8-QAM constellation is a _________ modulation
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Question 10 of 30
Q-10.What is the class of the address 130.8.119.1?
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Question 11 of 30
Q-11.The session layer lies between the _______ layer and the presentation layer
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Question 12 of 30
Q-12.The _______ layer accepts transmissions from upper-layer services.
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Question 13 of 30
Q-13.A gateway operates at layer(s) _________ of the OSI model.
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Question 14 of 30
Q-14.Most governments have set aside some frequency bands called the _______ bands for unlicensed usage.
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Question 15 of 30
Q-15.Which of the following (in decimal) is not a valid SAPI?
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Question 16 of 30
Q-16.Path overhead in an STS-1 frame contains _______ octets.
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Question 17 of 30
Q-17.The number of rows in STS-3 is _______ the number of rows in STS-1.
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Question 18 of 30
Q-18.Which data communication method is used to transmit the data over a serial communication link?
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Question 19 of 30
Q-19.A _______ standard is often referred to as a closed standard because it closes off communication between systems produced by different vendors
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Question 20 of 30
Q-20.An ICMP packet is encapsulated in a(n) _____________.
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Question 21 of 30
Q-21.The Token Ring abort frame is sent by _______
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Question 22 of 30
Q-22.Masking is not used in class(es) ___________.
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Question 23 of 30
Q-23._______ cable carries signals of higher frequency ranges than _______ cable.
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Question 24 of 30
Q-24.In a LAN defined by Project 802, the _______ sublayer of the data link layer is non-architecture specific
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Question 25 of 30
Q-25.The OSI _______ layer is implemented mainly by hardware
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Question 26 of 30
Q-26.SONET is a ___________ network.
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Question 27 of 30
Q-27.The size of the header of a short data packet at the PLP level is ___________ bytes
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Question 28 of 30
Q-28.If a computer on the network shares resources for others to use, it is called _____
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Question 29 of 30
Q-29.Which of the following is used for modulation and demodulation?
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Question 30 of 30
Q-30.Physical topology is a concern of the _______ layer.
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