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 physical, data link, and network layers are the ______ support layers.
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Question 2 of 30
Q-2.The _____of errors is more difficult than the ______
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Question 3 of 30
Q-3.______ adds pruning and grafting to _______ to create a multicast shortest path tree that supports dynamic membership changes
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Question 4 of 30
Q-4.There are three sampling methods: __________
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Question 5 of 30
Q-5.An STS-1 frame is made ______columns
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Question 6 of 30
Q-6.A digital signature needs a(n)_________ system
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Question 7 of 30
Q-7.IS-95 uses the _______ satellite system for synchronization
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Question 8 of 30
Q-8.A _______ can check the MAC addresses contained in the frame.
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Question 9 of 30
Q-9.______ provide security at the transport layer.
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Question 10 of 30
Q-10.Currently two message access protocols are available: _______ and _________
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Question 11 of 30
Q-11.In an SCTP packet, control chunks come ___________ data chunks
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Question 12 of 30
Q-12.The _______ layer ensures interoperability between communicating devices through transformation of data into a mutually agreed upon format.
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Question 13 of 30
Q-13.The IEEE 802.11a, uses _________
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Question 14 of 30
Q-14.The ______ layer adds a header to the packet coming from the upper layer that includes the logical addresses of the sender and receiver.
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Question 15 of 30
Q-15.________ uses four pairs of voice-grade, or higher, twisted-pair cable.
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Question 16 of 30
Q-16.Real-time traffic needs the support of ____________
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Question 17 of 30
Q-17.The VPI of a UNI is _______ bits in length
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Question 18 of 30
Q-18.Layer 2 lies between the physical layer and the _______ layer.
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Question 19 of 30
Q-19.The Response PDU is sent from the ______ to the ______ in response to GetRequest or GetNextRequest
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Question 20 of 30
Q-20.In ________, the amplitude of the carrier signal is varied to create signal elements. Both frequency and phase remain constant.
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Question 21 of 30
Q-21.In FTP, when we _______, it is copied from the server to the client.
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Question 22 of 30
Q-22.To use the services of UDP, we need ________ socket addresses
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Question 23 of 30
Q-23.All objects managed by SNMP are given an object identifier. The object identifier always starts with _______
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Question 24 of 30
Q-24.100Base-FX uses _________ block coding and ________ line coding
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Question 25 of 30
Q-25.The _______ criterion states that it must be extremely difficult or impossible to create the message if the message digest is given.
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Question 26 of 30
Q-26.ARQ stands for _______.
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Question 27 of 30
Q-27.The Internetworking Protocol (IP) is a ________ protocol
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Question 28 of 30
Q-28.As the data packet moves from the upper to the lower layers, headers are _______.
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Question 29 of 30
Q-29.The original IEEE 802.11, has a data rate of _____Mbps.
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Question 30 of 30
Q-30.The _______ is a number or a set of numbers on which the cipher operates
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