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 IEEE 802.11, when a frame is coming from an AP and going to a station, the address flag is _______.
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Question 2 of 30
Q-2.If the bit rate for a 16-QAM signal is 4000 bps, what is the baud rate?
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Question 3 of 30
Q-3.An IPv4 address consists of _______ bits.
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Question 4 of 30
Q-4.In ________, queuing packets wait in a buffer (queue) until the node (router or switch) is ready to process them.
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Question 5 of 30
Q-5.A(n) ______ is a hierarchical system that answers queries about key certification.
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Question 6 of 30
Q-6.The message contains the ________ and the __________
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Question 7 of 30
Q-7.In a _______ connection, more than two devices can share a single link.
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Question 8 of 30
Q-8.In an asymmetric-key cipher, the receiver uses the ______ key
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Question 9 of 30
Q-9.A ________ server loads all information from the primary server.
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Question 10 of 30
Q-10.The ________ method provides a one-time session key for two parties
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Question 11 of 30
Q-11.The Internet model consists of _______ layers.
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Question 12 of 30
Q-12.In ________ protocols, we use ________
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Question 13 of 30
Q-13._______ is a multiple-access method in which the available bandwidth of a link is shared in time, frequency, or through code, between different stations
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Question 14 of 30
Q-14.IKE is a complex protocol based on ______ other protocols
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Question 15 of 30
Q-15.Communication in TCP is ___________
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Question 16 of 30
Q-16.In the _______method, after the station finds the line idle it sends or refrain from sending based on the outcome of a random number generator. If the line is busy, it tries again
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Question 17 of 30
Q-17.In SONET, for each byte, the bits are transmitted ____________
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Question 18 of 30
Q-18.The connection establishment procedure in TCP is susceptible to a serious security problem called the _________ attack.
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Question 19 of 30
Q-19.In _________, when a source makes a reservation, it needs to define a flow specification
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Question 20 of 30
Q-20.SONET defines _______ layers.
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Question 21 of 30
Q-21.The process-to-process delivery of the entire message is the responsibility of the _______ layer.
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Question 22 of 30
Q-22. Which of the following is not a cloud deployment model?
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Question 23 of 30
Q-23.In _______, the peak amplitude of one signal level is 0; the other is the same as the amplitude of the carrier frequency
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Question 24 of 30
Q-24.What is the last address of a block of classless addresses if one of the addresses is 12.2.2.127/28?
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Question 25 of 30
Q-25.What is the bandwidth of a signal that ranges from 1 MHz to 4 MHz?
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Question 26 of 30
Q-26.A two-layer switch is a ______.
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Question 27 of 30
Q-27.AM and FM are examples of ________ conversion.
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Question 28 of 30
Q-28.The ________ criterion ensures that a message cannot easily be forged.
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Question 29 of 30
Q-29.In QAM, both ________ of a carrier frequency are varied.
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Question 30 of 30
Q-30.In IPv6, the ________ prefix defines the purpose of the address
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