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.In the original ARPANET, _______ were directly connected together
Your Answer:Correct
Your Answer:Incorrect
Question 2 of 30
Q-2.A _______ is a device that operates only in the physical layer.
Your Answer:Correct
Your Answer:Incorrect
Question 3 of 30
Q-3.FTP uses the services of ________
Your Answer:Correct
Your Answer:Incorrect
Question 4 of 30
Q-4.A _______ is a three-layer device that handles packets based on their logical addresses.
Your Answer:Correct
Your Answer:Incorrect
Question 5 of 30
Q-5.A spanning tree is a graph in which there is no _____.
Your Answer:Correct
Your Answer:Incorrect
Question 6 of 30
Q-6.In OSPF, a ________ link is a network is connected to only one router.
Your Answer:Correct
Your Answer:Incorrect
Question 7 of 30
Q-7.In a _____ backbone, the backbone is just one switch
Your Answer:Correct
Your Answer:Incorrect
Question 8 of 30
Q-8.TCP is a(n) _______ transport protocol
Your Answer:Correct
Your Answer:Incorrect
Question 9 of 30
Q-9.DMT is a modulation technique that combines elements of _______ and _______.
Your Answer:Correct
Your Answer:Incorrect
Question 10 of 30
Q-10.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 11 of 30
Q-11.The sharing of a medium and its link by two or more devices is called _______.
Your Answer:Correct
Your Answer:Incorrect
Question 12 of 30
Q-12.In _______, a claimant proves her identity to the verifier by using one of the three kinds of witnesses
Your Answer:Correct
Your Answer:Incorrect
Question 13 of 30
Q-13.A ______ normally connects LANs and WANs in the Internet and has a table that is used for making decisions about the route.
Your Answer:Correct
Your Answer:Incorrect
Question 14 of 30
Q-14.Which error detection method uses one's complement arithmetic?
Your Answer:Correct
Your Answer:Incorrect
Question 15 of 30
Q-15.In the Internet, the email address consists of two parts: a _______ and a _______
Your Answer:Correct
Your Answer:Incorrect
Question 16 of 30
Q-16.The least significant 23 bits in a 48-bit Ethernet address identify a ________
Your Answer:Correct
Your Answer:Incorrect
Question 17 of 30
Q-17.Jitter is introduced in real-time data by the _______________
Your Answer:Correct
Your Answer:Incorrect
Question 18 of 30
Q-18.A best-effort delivery service such as IPv4 includes _______.
Your Answer:Correct
Your Answer:Incorrect
Question 19 of 30
Q-19.The original telephone network, which is referred to as the plain old telephone system (POTS), was an ________ system
Your Answer:Correct
Your Answer:Incorrect
Question 20 of 30
Q-20.The _______ model shows how the network functions of a computer ought to be organized.
Your Answer:Correct
Your Answer:Incorrect
Question 21 of 30
Q-21.____ is a digital multiplexing technique for combining several low-rate channels into one high-rate one
Your Answer:Correct
Your Answer:Incorrect
Question 22 of 30
Q-22.The_________ layer is responsible for the delivery of a message from one process to another.
Your Answer:Correct
Your Answer:Incorrect
Question 23 of 30
Q-23.The largest portion of the bandwidth for ADSL carries _______.
Your Answer:Correct
Your Answer:Incorrect
Question 24 of 30
Q-24.IS-95 is based on ____________
Your Answer:Correct
Your Answer:Incorrect
Question 25 of 30
Q-25.The GetRequest PDU is sent from the _______ to the __________ to retrieve the value of a variable or a set of variables
Your Answer:Correct
Your Answer:Incorrect
Question 26 of 30
Q-26.If the bit rate for a 16-QAM signal is 4000 bps, what is the baud rate?
Your Answer:Correct
Your Answer:Incorrect
Question 27 of 30
Q-27.SMTP is a __________protocol
Your Answer:Correct
Your Answer:Incorrect
Question 28 of 30
Q-28.To accomplish flow control, TCP uses a ___________ window protocol
Your Answer:Correct
Your Answer:Incorrect
Question 29 of 30
Q-29.The ________ protocol is the transmission mechanism used by the TCP/IP suite.
Your Answer:Correct
Your Answer:Incorrect
Question 30 of 30
Q-30.In slotted ALOHA, the vulnerable time is ______ the frame transmission time.
Your Answer:Correct
Your Answer:Incorrect