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.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 2 of 30
Q-2.The field in the IP packet header that defines the number of hops a packet can travel before being dropped is called ___________.
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Question 3 of 30
Q-3.If the sending system uses ASCII encoding and the receiving station uses EBCDIC encoding, the _______ layer is responsible for translation.
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Question 4 of 30
Q-4.Each end office has a number of outgoing lines to one or more nearby switching canters called ______
A. toll connecting trunks.
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Question 5 of 30
Q-5.A message from device A consists of packet X and packet Y. In the virtual circuit approach to packet switching, packet Y's path _______ packet X's.
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Question 6 of 30
Q-6.A PVC is a transmission path in _______ switching
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Question 7 of 30
Q-7.In distance vector routing, a router has a route as Destination: N, Hop Count: 7, Next Hop: B. It receives a packet from B with a route to N as Destination: N, Hop Count: 4. The new route to N should be _______________.
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Question 8 of 30
Q-8.A _______ is added to a 44-byte SIP level 3 data unit.
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Question 9 of 30
Q-9.File transfer, access, and management are handled by the _______ layer
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Question 10 of 30
Q-10.One _______ controls many _______.
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Question 11 of 30
Q-11.The data rate of the B channel is _________.
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Question 12 of 30
Q-12.The size of the header of a long data packet at the PLP level is ___________ bytes
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Question 13 of 30
Q-13.In FDM, the _______ signals can all have the same frequency range
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Question 14 of 30
Q-14.A distributed network configuration in which all data/information pass through a central computer is _____ network.
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Question 15 of 30
Q-15.Flow control is mainly a function of the _______ layer
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Question 16 of 30
Q-16.The maximum data rate of a full duplex ASK modem using four-wire regular telephone line is ___________ bps.
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Question 17 of 30
Q-17.Which of the following are network reliability issues?
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Question 18 of 30
Q-18.Which of the following device copies electrical signals from one Ethernet to another?
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Question 19 of 30
Q-19.The D channel uses _______ the protocol in the data link layer.
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Question 20 of 30
Q-20.In BSC, a region of message data can be made transparent by inserting a _______ character before the STX character and before the ETX, ITB, or ETB character
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Question 21 of 30
Q-21.For large networks _____ topology is used.
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Question 22 of 30
Q-22.The OSI model defines layers 5, 6, and 7 as the _______ layers
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Question 23 of 30
Q-23.The _______ field controls access to the DQDB bus.
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Question 24 of 30
Q-24.The _______ is the time required to send one bit.
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Question 25 of 30
Q-25.The voltage level and the signal type are _______ specifications of the EIA-232 interface standard
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Question 26 of 30
Q-26.Identify the following IP address: 192.5.0.0 _______
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Question 27 of 30
Q-27.A null modem has _______ connector(s).
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Question 28 of 30
Q-28.________ bursting allows a sender tot transmit a concatenated sequence of multiple frames in a single
transmission.
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Question 29 of 30
Q-29.The HDLC _______ for acknowledgment.
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Question 30 of 30
Q-30.A sampling rate of _______ million samples per second is needed for a signal with components ranging from 10MHz to 100 MHz
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