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 OSI reference model, which of the following layer provides error-free delivery of data?
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Question 2 of 30
Q-2.A DQDB device accesses a bus link through _______.
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Question 3 of 30
Q-3.IP addresses without subnetting have _________ level(s) of hierarchy.
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Question 4 of 30
Q-4.A hard copy would be prepared on a ________
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Question 5 of 30
Q-5.A transmission path may have _______ virtual path(s).
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Question 6 of 30
Q-6.Which digital service requires a DSU?
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Question 7 of 30
Q-7.Selective reject ARQ is a _______ error control method.
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Question 8 of 30
Q-8.The receiver address that is added to user data in SIP level 3 is _______ bytes in length.
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Question 9 of 30
Q-9.When a DTE receives a corrupted PLP packet, it sends an _________ control packet to the sender DTE.
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Question 10 of 30
Q-10.Which of the following systems provides the highest data rate to an individual device?
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Question 11 of 30
Q-11.A multistage switch usually has _______ crosspoints than a corresponding single crossbar switch
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Question 12 of 30
Q-12.A _______ is often referred to as an open standard because it opens communication between systems produced by different vendors
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Question 13 of 30
Q-13.The header added by the network layer to the packet coming from the upper layer includes the _______ addresses of the sender and receiver.
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Question 14 of 30
Q-14.The DQDB _______ subfield indicates the occupancy status of the slot
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Question 15 of 30
Q-15.Using a host address 195.21.43.65 and the mask 255.255.255.192, the subnetwork address is ___________
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Question 16 of 30
Q-16.When the angle of _______ is 90 degrees the angle of _______ is equal to the critical angle.
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Question 17 of 30
Q-17._______ is considered terminal equipment.
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Question 18 of 30
Q-18.An IP address is _______ bytes in dotted decimal notation.
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Question 19 of 30
Q-19.In a time-domain plot, signal amplitude is plotted against _______
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Question 20 of 30
Q-20.Subscriber telephones in the PSTN are connected through local loops to _______ offices
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Question 21 of 30
Q-21.What is the maximum length of STP?
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Question 22 of 30
Q-22.A simple sine wave is offset one half cycle at time zero. This is a phase shift of _______ degrees
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Question 23 of 30
Q-23.The OSI _______ layer is implemented mainly by software
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Question 24 of 30
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Question 25 of 30
Q-25.Which is not an example for analog communication __________ .
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Question 26 of 30
Q-26.The time it takes for a network to recover after a failure is a network _______ issue.
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Question 27 of 30
Q-27.In the _______ transmission mode, communication is unidirectional
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Question 28 of 30
Q-28.Many large organization with their offices in different countries of the world connect their computers
through telecommunication satellites and telephone lines. Such communication network is called
_________
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Question 29 of 30
Q-29.A software that allows a personal computer to pretend it as a terminal is _______
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Question 30 of 30
Q-30.The most efficient medium for ATM is _____________
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