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 used for modulation and demodulation?
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Question 2 of 30
Q-2.Network cable lies on ______ layer.
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Question 3 of 30
Q-3. Demodulation is the process of _________
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Question 4 of 30
Q-4.Multiplexing in X.25 is done at the _______ layer.
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Question 5 of 30
Q-5._______ refers to the direction of signal flow between two linked devices
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Question 6 of 30
Q-6.Which type of FDDI node has two MICs?
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Question 7 of 30
Q-7.The value of the protocol field for the CHAP protocol is ________.
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Question 8 of 30
Q-8.The network address in class A (without subnetting) has _______ zero(s) in decimal notation.
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Question 9 of 30
Q-9.The protocol used for transferring files from one system to another is _________
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Question 10 of 30
Q-10.RZ encoding requires _______ signal change(s) to encode one bit.
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Question 11 of 30
Q-11.AN HDLC _______ station sends responses
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Question 12 of 30
Q-12.In an HDLC S-frame the N(R) field can contain _______.
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Question 13 of 30
Q-13.A 100Base-T Ethernet LAN has a data rate of _______ Mbps.
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Question 14 of 30
Q-14.Asynchronous protocols are widely used in _______
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Question 15 of 30
Q-15.What is the main function of the transport layer?
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Question 16 of 30
Q-16.A signal with a period of 1 microsecond has a higher frequency than a signal with a period of _______
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Question 17 of 30
Q-17.The part of the address field in an LAPD frame that uniquely defines a TE is called ________.
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Question 18 of 30
Q-18.A message from device A consists of packet X and packet Y. In the datagram approach to packet switching, packet Y's path _______ packet X's.
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Question 19 of 30
Q-19._______ can determine the category of a network
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Question 20 of 30
Q-20.Control information in a system using _______ protocol are characters from an existing character encoding system
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Question 21 of 30
Q-21.If a token traverses the FDDI ring in a time greater than the _______, the ring gets reinitialized
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Question 22 of 30
Q-22.The _______ layer ensures reliable transmission on a single link
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Question 23 of 30
Q-23.Connection establishment is needed for _______.
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Question 24 of 30
Q-24.In the PSTN hierarchy, there are more _______ offices than _______ offices
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Question 25 of 30
Q-25.As a cell arrives at a VP switch, _______ change(s).
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Question 26 of 30
Q-26.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 27 of 30
Q-27.The data link layer takes the packets from _____ and encapsulates them into frames for transmission.
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Question 28 of 30
Q-28.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 29 of 30
Q-29.OSI is an acronym for _______
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Question 30 of 30
Q-30.The B channel uses _______ the protocol in the data link layer.
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