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
Remaining Time: 0 MINUTES
0 of 30 questions completed
Questions:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Information
You have already completed the test before. Hence you can not start it again.
0 of 30 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0 )
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Question 1 of 30
Q-1.To guarantee the detection of up to 5 errors in all cases, the minimum Hamming distance in a block code must be _______
Your Answer:Correct
Your Answer:Incorrect
Question 2 of 30
Q-2.The sender is a router that has received a datagram destined for a host on another network. The logical address that must be mapped to a physical address is ______.
Your Answer:Correct
Your Answer:Incorrect
Question 3 of 30
Q-3.In _________, autonegotiation allows two devices to negotiate the mode or data rate of operation.
Your Answer:Correct
Your Answer:Incorrect
Question 4 of 30
Q-4.When a host on network A sends a message to a host on network B, which address does the router look at?
Your Answer:Correct
Your Answer:Incorrect
Question 5 of 30
Q-5.In pure ALOHA, the vulnerable time is ______ the frame transmission time.
Your Answer:Correct
Your Answer:Incorrect
Question 6 of 30
Q-6.Pruning and grafting are strategies used in _______
Your Answer:Correct
Your Answer:Incorrect
Question 7 of 30
Q-7.A traditional cable TV network transmits signals ______.
Your Answer:Correct
Your Answer:Incorrect
Question 8 of 30
Q-8.An ______ signal is the optical modulation of an STS-n (or STM-n) signal.
Your Answer:Correct
Your Answer:Incorrect
Question 9 of 30
Q-9.____ is a digital multiplexing technique for combining several low-rate channels into one high-rate one
Your Answer:Correct
Your Answer:Incorrect
Question 10 of 30
Q-10.In Bluetooth, the _____layer is roughly equivalent to the MAC sublayer in LANs.
Your Answer:Correct
Your Answer:Incorrect
Question 11 of 30
Q-11.A signal is measured at two different points. The power is P 1 at the first point and P 2 at the second point. The dB is 0. This means ________.
Your Answer:Correct
Your Answer:Incorrect
Question 12 of 30
Q-12.The ________ method provides a one-time session key for two parties
Your Answer:Correct
Your Answer:Incorrect
Question 13 of 30
Q-13.In the group-shared tree approach, _________ involved in multicasting
Your Answer:Correct
Your Answer:Incorrect
Question 14 of 30
Q-14.A sine wave is ________.
Your Answer:Correct
Your Answer:Incorrect
Question 15 of 30
Q-15.SONET sends ________ frames per second
Your Answer:Correct
Your Answer:Incorrect
Question 16 of 30
Q-16.____ is designed to use the high bandwidth capability of fiber-optic cable.
Your Answer:Correct
Your Answer:Incorrect
Question 17 of 30
Q-17.To guarantee correction of up to 5 errors in all cases, the minimum Hamming distance in a block code must be ________
Your Answer:Correct
Your Answer:Incorrect
Question 18 of 30
Q-18._______ is a first-generation cellular phone system
Your Answer:Correct
Your Answer:Incorrect
Question 19 of 30
Q-19.HTTP version 1.1 specifies a _________connection by default.
Your Answer:Correct
Your Answer:Incorrect
Question 20 of 30
Q-20.In the ______ mode, IPSec protects information delivered from the transport layer to the network layer.
Your Answer:Correct
Your Answer:Incorrect
Question 21 of 30
Q-21.Which multiplexing technique transmits digital signals?
Your Answer:Correct
Your Answer:Incorrect
Question 22 of 30
Q-22.In _________, there is no resource allocation for a packet.
Your Answer:Correct
Your Answer:Incorrect
Question 23 of 30
Q-23.For purposes of routing, the Internet is divided into ___________
Your Answer:Correct
Your Answer:Incorrect
Question 24 of 30
Q-24.IKE creates SAs for _____
Your Answer:Correct
Your Answer:Incorrect
Question 25 of 30
Q-25.VCIs in Frame Relay are called ______.
Your Answer:Correct
Your Answer:Incorrect
Question 26 of 30
Q-26.Fast Ethernet has a data rate of ________Mbps.
Your Answer:Correct
Your Answer:Incorrect
Question 27 of 30
Q-27.The task of moving the packet from the input queue to the output queue in a router is done by _________
Your Answer:Correct
Your Answer:Incorrect
Question 28 of 30
Q-28._________ is not suitable for interactive multimedia traffic because it retransmits packets in case of errors.
Your Answer:Correct
Your Answer:Incorrect
Question 29 of 30
Q-29.Bit stuffing means adding an extra 0 to the data section of the frame when there is a sequence of bits with the same pattern as the ________
Your Answer:Correct
Your Answer:Incorrect
Question 30 of 30
Q-30.A(n) _________ can be used to preserve the integrity of a document or a message.
Your Answer:Correct
Your Answer:Incorrect