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.In FDDI, when all synchronous data have been sent and the THT value is still positive, _______.
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Question 2 of 30
Q-2.The value of a simple sine wave at time zero is zero. The next value is positive. The phase shift is therefore _______ degrees
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Question 3 of 30
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Question 4 of 30
Q-4.In parallel transmission, if we are sending 80 Kbps (on each line), we send _______ characters per second
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Question 5 of 30
Q-5.What is the major weakness of asynchronous TDM?
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Question 6 of 30
Q-6.A device that links two homogenous packet-broadcast local networks is __________
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Question 7 of 30
Q-7.A receiver using stop-and-wait ARQ sends NAK frames numbered _______
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Question 8 of 30
Q-8.The protocol used for transferring files from one system to another is _________
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Question 9 of 30
Q-9.SMDS is a service that links _______ into a _______
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Question 10 of 30
Q-10.Which of the following is not a guided medium?
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Question 11 of 30
Q-11.In the domain name chal.atc.fhda.edu ________ is the least specific label.
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Question 12 of 30
Q-12.The synchronization problem for long streams of 1s is handled in AMI through _______.
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Question 13 of 30
Q-13.The maximum data rate of a full duplex ASK modem using a two-wire regular telephone line is ___________ bps
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Question 14 of 30
Q-14.The receiver's window in a sliding window protocol expands when _______.
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Question 15 of 30
Q-15._______ refers to the direction of signal flow between two linked devices
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Question 16 of 30
Q-16.In the Dijkstra algorithm the shortest path tree has _______ loop(s).
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Question 17 of 30
Q-17.A VTx has _______ columns.
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Question 18 of 30
Q-18.An STS-1 frame contains _______ octets.
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Question 19 of 30
Q-19.Repeaters function in the ________ layers
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Question 20 of 30
Q-20.Which type of FDDI node has two MICs?
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Question 21 of 30
Q-21.A distributed data processing configuration in which all activities must pass through a centrally located
computer is called a _________
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Question 22 of 30
Q-22.An STS-1 frame contains _______ bits.
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Question 23 of 30
Q-23.The internetworking protocol is known as
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Question 24 of 30
Q-24.Working of the WAN generally does not involve ________
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Question 25 of 30
Q-25.In a _______ topology, a device (non-central controller) needs only one input/output port
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Question 26 of 30
Q-26.Kermit uses the _______ character to notify the receiver that a control character is next
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Question 27 of 30
Q-27.The polynomial used for the DQDB CRC is x8 + x2 + x + 1. This means the CRC remainder is _______ bits in length.
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Question 28 of 30
Q-28.Error control is mainly a function of the _______ layer.
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Question 29 of 30
Q-29.Devices in a ring or mesh topology are usually configured in a _______ relationship
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Question 30 of 30
Q-30.Polling or selecting requires an HDLC S-frame with the code field set to _______
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