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.A class A address starts with the _________bit(s).
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Question 2 of 30
Q-2.In the sliding window method of flow control, the sender may send _______ at a time.
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Question 3 of 30
Q-3.What is the address of the network to which the host 200.66.10.21 is connected (no subnetting)?
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Question 4 of 30
Q-4.In _______ the amplitude of the carrier signal is varied based on the information in a digital signal.
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Question 5 of 30
Q-5.The length of the sequence number field in TCP is _______ byte(s).
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Question 6 of 30
Q-6.Encryption and decryption of data are functions performed by the _______ layer.
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Question 7 of 30
Q-7.The most common and least expensive error detection mechanism is _______.
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Question 8 of 30
Q-8.An IP packet is encapsulated in a _____________.
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Question 9 of 30
Q-9.Error control is mainly a function of the _______ layer.
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Question 10 of 30
Q-10.When DQDB is implemented as a ring, _______ the slots.
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Question 11 of 30
Q-11.The interactive transmission of data within a time sharing system may be best suited to __________
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Question 12 of 30
Q-12.AMI is an acronym for _______.
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Question 13 of 30
Q-13.In the PSTN hierarchy, the class two switching centers are known as the _______ offices
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Question 14 of 30
Q-14._______ encoding is used in Europe and Japan to provide synchronization of strings of 0s
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Question 15 of 30
Q-15.The VPI identifies a _______.
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Question 16 of 30
Q-16._______ are wireless network standard with a data rate of only 2Mbps
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Question 17 of 30
Q-17.At the _______ level, the trailer usually contains bits used for error detection
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Question 18 of 30
Q-18.A beam of light is least distorted in a _______ fiber
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Question 19 of 30
Q-19.In distance vector routing, if a router is connected to three networks, its original table contains _________ entries.
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Question 20 of 30
Q-20.In a mesh topology with n devices, if a new device is added, _______ new links are needed
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Question 21 of 30
Q-21.The type of packet format supported by X.25 are as follows
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Question 22 of 30
Q-22.The bandwidth on a local loop is between _______
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Question 23 of 30
Q-23.The network layer of the D channel is defined by the _______ protocol
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Question 24 of 30
Q-24.An SVC is a transmission path in _______ switching.
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Question 25 of 30
Q-25.Which layer in X.25 handles connection establishment?
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Question 26 of 30
Q-26.XMODEM, BLAST, and Kermit are all _______ protocols
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Question 27 of 30
Q-27.Which sublayer of the data link layer performs data link functions that depend upon the type of
medium?
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Question 28 of 30
Q-28.The receiver address that is added to user data in SIP level 3 is _______ bytes in length.
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Question 29 of 30
Q-29.The receiver's window in a sliding window protocol expands when _______.
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Question 30 of 30
Q-30.One micron is _______ meters
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