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 frequency range of visible light is _______ than the frequency range used in radio communication
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Question 2 of 30
Q-2._______ signal repeats a pattern over and over again.
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Question 3 of 30
Q-3.What is the port number of the HTTP
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Question 4 of 30
Q-4.A switch that waits until the whole packet has arrived before making routing decision, is called a _________ switch.
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Question 5 of 30
Q-5.The OSI model is a _______ layer model for the design of network systems.
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Question 6 of 30
Q-6._______ switching is well suited for voice communication while _______ switching is better suited for data and other non-voice communication
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Question 7 of 30
Q-7.In an XMODEM exchange, the sender can receive _______ frame
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Question 8 of 30
Q-8.Which of the following communications lines is best suited to interactive processing applications?
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Question 9 of 30
Q-9.If the baud rate is 1200 and there are 4 bits for each signal element, then the bit rate is _______
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Question 10 of 30
Q-10.A bit interval of 10 milliseconds means a bit rate of _______bps.
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Question 11 of 30
Q-11.The _______ sampling rate is based on the Nyquist theorem.
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Question 12 of 30
Q-12.A DQDB slot is the same size as a cell in _______.
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Question 13 of 30
Q-13.The protocol used for transferring files from one system to another is _________
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Question 14 of 30
Q-14._______ allow the demultiplexer to synchronize with the incoming stream
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Question 15 of 30
Q-15.A class A address starts with the _________bit(s).
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Question 16 of 30
Q-16.The LCN in X.25 is _______ bits.
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Question 17 of 30
Q-17.A secondary station has three data frames to send in response to a poll. The P/F bit for the first frame is _______, for the second frame it's _______, and for the third (last) frame it's _______
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Question 18 of 30
Q-18.When _______ devices are arranged in a mesh topology, each device needs six input/output ports
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Question 19 of 30
Q-19.Which of the following is used for modulation and demodulation?
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Question 20 of 30
Q-20.A DS-4 service can be composed of 4032 _______ channels
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Question 21 of 30
Q-21.Switched virtual circuits or permanent virtual circuits implement the _______ approach to packet switching
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Question 22 of 30
Q-22.The Triple-X protocols associated with X.25 are_____________.
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Question 23 of 30
Q-23.There is no congestion between DTE A and DTE B. The packet going from B to A has BECN bit _______ and FECN bit _________.
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Question 24 of 30
Q-24.The application layer of a network ________
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Question 25 of 30
Q-25.In the long format, the size of an RR packet is _________ bytes.
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Question 26 of 30
Q-26.Token Bus operates under a collision-free environment similar to _______.
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Question 27 of 30
Q-27.Socket-style API for windows is called
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Question 28 of 30
Q-28.Which of the following types of channels moves data relatively slowly?
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Question 29 of 30
Q-29.AMI is an acronym for _______.
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Question 30 of 30
Q-30.A _______ is a set of devices (nodes) connected by media links
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