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 maximum data rate of a half duplex ASK modem using a two-wire regular telephone line is ___________ bps
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Question 2 of 30
Q-2.An I-frame carries ____________.
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Question 3 of 30
Q-3.The sender address that is added to user data in SIP level 3 is _______ bytes in length.
Your Answer:Correct
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Question 4 of 30
Q-4.In _______ modulation, the bit rate is 8 times the baud rate
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Question 5 of 30
Q-5.The DQDB _______ store requests for slots.
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Question 6 of 30
Q-6.Protocols in which the sender sends one frame and then waits for an acknowledgement before
proceeding are called __________
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Question 7 of 30
Q-7.FDDI specifies _______ encoding prior to NRZ-I encoding.
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Question 8 of 30
Q-8.The ________ flag indicates the availability of a router.
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Question 9 of 30
Q-9.The calculation time for the distance vector routing algorithm is _________ the one for the link state routing.
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Question 10 of 30
Q-10.Hop-to-hop flow and error control in X.25 is done at the _______ layer
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Question 11 of 30
Q-11.Repeater operates in which layer of the OSI model
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Question 12 of 30
Q-12.What is the hostid of the address 227.78.19.21?
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Question 13 of 30
Q-13.If three STS-1s are multiplexed, we get an _________.
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Question 14 of 30
Q-14.In _______ encoding, anytime there are four or more consecutive 0 bits, violations are deliberately introduced
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Question 15 of 30
Q-15.In Token Ring, the _______ sets the bits in the frame status field to indicate that the frame has been copied.
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Question 16 of 30
Q-16.In a synchronous modem, the receive equalizer is known as ___________ analyzer.
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Question 17 of 30
Q-17.The _______ flag indicates that a redirection message has added a new entry to the routing table.
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Question 18 of 30
Q-18.An ISDN address uses _______ decimal digits to define a network inside a country.
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Question 19 of 30
Q-19.What is the main disadvantage of stop-and-wait flow control?
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Question 20 of 30
Q-20.The analysis which helps in checking whether the protocol is correct is _________
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Question 21 of 30
Q-21.The most flexibility in how devices are wired together is provided by ______
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Question 22 of 30
Q-22.The OSI _______ layer is implemented mainly by software
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Question 23 of 30
Q-23.Seven devices are arranged in a mesh topology. _______ physical channels link these devices.
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Question 24 of 30
Q-24.What is the theoretical highest data rate for a common telephone line?
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Question 25 of 30
Q-25.Which type of FDDI node has one MIC?
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Question 26 of 30
Q-26.The path overhead can be added to a SONET frame only by a ________.
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Question 27 of 30
Q-27._______ signal is digital
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Question 28 of 30
Q-28.In the domain name chal.atc.fhda.edu ________ is the least specific label.
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Question 29 of 30
Q-29.The DC component problem is handled in AMI through _______
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Question 30 of 30
Q-30.The _______ layer is the network dialog controller.
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