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.A message from device A consists of packet X and packet Y. In the datagram approach to packet switching, packet Y's path _______ packet X's.
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Question 2 of 30
Q-2.Data are being sent at 30 Mbps. An external electrical surge of 0.01 seconds affects the transmission. What is the maximum number of bits that can be affected?
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Question 3 of 30
Q-3._______ signal repeats a pattern over and over again.
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Question 4 of 30
Q-4._______ is a function of the data link layer.
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Question 5 of 30
Q-5.Masking can be used only in _________ class(es).
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Question 6 of 30
Q-6.The synchronization problem for long streams of 1s is handled in AMI through _______.
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Question 7 of 30
Q-7.An interconnection of ________________________ computers is called an Internet
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Question 8 of 30
Q-8.The _______ layer ensures end-to-end reliable data transmission.
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Question 9 of 30
Q-9.A signal with a frequency of 1 GHz has more cycles per second than a signal with a frequency of _______
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Question 10 of 30
Q-10.In a _______ line configuration, the capacity of the channel is shared, either spatially or temporally
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Question 11 of 30
Q-11.A user access rate is 64 Kbps. The user _______________.
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Question 12 of 30
Q-12.How many pairs of stations can simultaneously communicate on Ethernet LAN?
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Question 13 of 30
Q-13._______ is the technology that connects the machines and people within a site in a small area
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Question 14 of 30
Q-14.An ARP packet is encapsulated in a(n) _____________.
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Question 15 of 30
Q-15.The OSI model defines layers 1, 2, and 3 as the _______ layers
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Question 16 of 30
Q-16.If routing information is automatically updated by routers when changes are made to the network configuration are called
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Question 17 of 30
Q-17.The type of packet format supported by X.25 are as follows
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Question 18 of 30
Q-18.Who initiates a session on an ENQ/ACK system?
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Question 19 of 30
Q-19.The _______ layer may create a connection (a single logical path between the source and destination that is associated with all the packets of a message) between two end ports
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Question 20 of 30
Q-20.A _________ network configuration in which all data/information pass through a central computer is
star network.
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Question 21 of 30
Q-21.Transmission media are usually categorized as __________
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Question 22 of 30
Q-22.Which type of switching uses the entire capacity of a dedicated link?
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Question 23 of 30
Q-23.Token Ring and FDDI both use _______ as an access method.
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Question 24 of 30
Q-24.Which of the following is a wrong example of network layer?
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Question 25 of 30
Q-25.A _______ is often referred to as an open standard because it opens communication between systems produced by different vendors
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Question 26 of 30
Q-26.An ATM switch at the boundary of the network usually uses _______ for routing.
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Question 27 of 30
Q-27.The _______ is the average time required for a token to circulate the ring exactly once
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Question 28 of 30
Q-28.A bridge installed between three segments of a LAN has _________ physical addresses.
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Question 29 of 30
Q-29.In _______ the phase and amplitude of the carrier signal is varied based on the information in a digital signal.
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Question 30 of 30
Q-30.X.25 is a _______ protocol.
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