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 a multipoint line configuration, if more than one device can use the link simultaneously, we have a _______ shared situation.
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Question 2 of 30
Q-2.The ITU-T was formerly known as the _______
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Question 3 of 30
Q-3.The protocol used to report a problem in the IP packet is called _______.
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Question 4 of 30
Q-4.FDDI is a ____ network.
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Question 5 of 30
Q-5.An HDLC _______ is used to transport user data and control information.
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Question 6 of 30
Q-6.A Token Ring frame can be identified as a token frame by a bit in the _______ field.
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Question 7 of 30
Q-7._______ is an attempt to synchronize long strings of 0s
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Question 8 of 30
Q-8.The DQDB _______ field holds a 20-bit VCI used in MAN and WAN transmissions
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Question 9 of 30
Q-9.An SVC is comparable to a _______ line in circuit switching, while a PVC is comparable to a _______ line
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Question 10 of 30
Q-10.What is the class of the address 227.78.19.21?
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Question 11 of 30
Q-11.X.25 is a _______ protocol.
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Question 12 of 30
Q-12.in a _______ topology, each device has a dedicated point-to-point connection with exactly two other devices
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Question 13 of 30
Q-13.The B-channel is capable of carrying both
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Question 14 of 30
Q-14.In a DQDB with _______ devices, no queues are needed.
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Question 15 of 30
Q-15.In a peer-to-peer process, layer 4 on machine A communicates with layer _______ on machine B.
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Question 16 of 30
Q-16.In _______ delivery, a packet is not connected to any other packet.
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Question 17 of 30
Q-17.The size of an updating packet in distance vector routing is normally ___________ the size of an updating packet in a link state routing.
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Question 18 of 30
Q-18.The DQDB _______ subfield defines the type of transmission (packet or isochronous).
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Question 19 of 30
Q-19.In HDB3 encoding, a string of four consecutive 0s produces _______.
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Question 20 of 30
Q-20.The error introduced by the finite number of bits per sample is called the _______ noise.
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Question 21 of 30
Q-21.LAPF is a _________ protocol.
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Question 22 of 30
Q-22.What is the address of the network to which the host 200.66.10.21 is connected (no subnetting)?
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Question 23 of 30
Q-23.The data rate of the B channel is _________.
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Question 24 of 30
Q-24.An ARP packet is encapsulated in a(n) _____________.
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Question 25 of 30
Q-25._______ determines which device can send
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Question 26 of 30
Q-26.Which of the following is not a guided medium?
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Question 27 of 30
Q-27.LANs that need to be connected in a city or campus can lease a T-1 or T-3 line. Usually this is not done due to ________.
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Question 28 of 30
Q-28.In a _______ switch both the VCI and VPI change.
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Question 29 of 30
Q-29.An STS-1 frame has _______ columns.
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Question 30 of 30
Q-30.A DTE wants to send a PLP data packet to another DTE. The packet should be encapsulated in an _______
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