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.Masking can be used only in _________ class(es).
Your Answer:Correct
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Question 2 of 30
Q-2.In a DQDB with _______ devices, no queues are needed.
Your Answer:Correct
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Question 3 of 30
Q-3.Light travels at _______ in the atmosphere.
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Question 4 of 30
Q-4.Control information in a system using _______ protocol are characters from an existing character encoding system
Your Answer:Correct
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Question 5 of 30
Q-5.To re-establish a suspended call, a user sends a ___________ message.
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Question 6 of 30
Q-6.A simple sine wave completes one cycle in _______ degrees
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Question 7 of 30
Q-7.If single computer network is divided into segments and router are added between them it forms an
Your Answer:Correct
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Question 8 of 30
Q-8.The _______ standard removed all functions relating to the secondary channel to a separate 9-pin connector
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Question 9 of 30
Q-9.There are n devices arranged in a ring topology. A device is deleted. There are now _______ links of cable
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Question 10 of 30
Q-10.The frames which are intimated for receiving are called ________
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Question 11 of 30
Q-11.The _______ houses the switches in token ring.
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Question 12 of 30
Q-12.Data from the LLC or upper layers are divided into _______-byte segments by the DQDB MAC layer.
Your Answer:Correct
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Question 13 of 30
Q-13.In distance vector routing, the routing table for each router is ___________ other routers
Your Answer:Correct
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Question 14 of 30
Q-14.Another name for VRC is _______
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Question 15 of 30
Q-15.Each DQDB bus is _______.
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Question 16 of 30
Q-16.There is congestion between DTE A and DTE B in the direction B to A. The packet going from A to B has BECN bit _______ and FECN bit _________.
Your Answer:Correct
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Question 17 of 30
Q-17.When the angle of _______ is 90 degrees the angle of _______ is equal to the critical angle.
Your Answer:Correct
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Question 18 of 30
Q-18.As the data packet moves from the _______ layer up to the _______ layer, headers and a trailer are removed
Your Answer:Correct
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Question 19 of 30
Q-19.When a light beam is reflected back into the medium, the angle of _______ equals the angle of _______.
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Question 20 of 30
Q-20.A DQDB slot is the same size as a cell in _______.
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Question 21 of 30
Q-21.The _______ layer allows two systems to enter into a dialog.
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Question 22 of 30
Q-22._______ is a network reliability issue
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Question 23 of 30
Q-23.In _______ delivery, a packet is not connected to any other packet.
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Question 24 of 30
Q-24.Which of the following is an IEEE Project 802 standard?
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Question 25 of 30
Q-25.A null modem has _______ connector(s).
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Question 26 of 30
Q-26.A 32-QAM modulated signal has a baud rate of 2000; the bit rate is _______ bps
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Question 27 of 30
Q-27.Forty-five physical channels link _______ devices arranged in a mesh topology
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Question 28 of 30
Q-28.A 2-PSK modulated signal has a bit rate of 2000 bps; the baud rate is _______
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Question 29 of 30
Q-29.The_____ flag indicates that the entry of the destination column is a host-specific address.
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Question 30 of 30
Q-30.Line configuration, the way the devices are connected to the medium, is a concern of the _______ layer.
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