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.As the data packet moves from the upper to the lower layers, headers are _______.
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Question 2 of 30
Q-2.The HTTP request line contains a _______ method to request a document from the server
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Question 3 of 30
Q-3.A ________ bridge can forward and filter frames and automatically build its forwarding table.
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Question 4 of 30
Q-4.To accomplish flow control, TCP uses a ___________ window protocol
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Question 5 of 30
Q-5.The_____ address identifies a process on a host
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Question 6 of 30
Q-6.An organization is granted a block; one address is 2.2.2.64/25. If the subnet prefix length is /28, what is the maximum number of subnets?
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Question 7 of 30
Q-7.Which topology requires a central controller or hub?
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Question 8 of 30
Q-8.Stop-and-Wait ARQ is a special case of Go-Back-N ARQ in which the size of the send window is 1.
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Question 9 of 30
Q-9.In the ___________ algorithm of TCP, the size of the threshold is dropped to one-half, a multiplicative decrease
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Question 10 of 30
Q-10._________ is not suitable for interactive multimedia traffic because it retransmits packets in case of errors.
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Question 11 of 30
Q-11.Based on the Clos criteria, if N = 200, then k must be equal to or greater than ____
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Question 12 of 30
Q-12.IS-95 uses the ISM _______band
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Question 13 of 30
Q-13.There are two types of user agents: _________ and ___________
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Question 14 of 30
Q-14.In ______ schemes, the voltages are on the both sides of the time axis. For example, the voltage level for 0 can be positive and the voltage level for 1 can be negative.
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Question 15 of 30
Q-15._______ describes the position of the waveform relative to time 0.
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Question 16 of 30
Q-16.In the ________ method, a station needs to make a reservation before sending data. Time is divided into intervals.
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Question 17 of 30
Q-17._______ connection provides a dedicated link between two devices.
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Question 18 of 30
Q-18.A(n) _____ is a trusted third party that assigns a symmetric key to two parties.
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Question 19 of 30
Q-19.The third stage in an email transfer needs a ________ protocol
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Question 20 of 30
Q-20.In IEEE 802.11, when a frame is coming from an AP and going to a station, the address flag is _______.
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Question 21 of 30
Q-21.The bytes of data being transferred in each connection are numbered by TCP. The numbering starts with a __________________
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Question 22 of 30
Q-22.In Stop-and-Wait ARQ, the acknowledgment number always announces in ______ arithmetic the sequence number of the next frame expected
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Question 23 of 30
Q-23.In the original ARPANET, _______ were directly connected together.
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Question 24 of 30
Q-24.Fast Ethernet has a data rate of ________Mbps.
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Question 25 of 30
Q-25.The ____ address uniquely defines a host on the Internet
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Question 26 of 30
Q-26.DNS can use the services of ________ using the well-known port 53.
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Question 27 of 30
Q-27.In ________ congestion control, policies are applied to prevent congestion before it happens
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Question 28 of 30
Q-28.The TCP/IP _______ layer is equivalent to the combined session, presentation, and application layers of the OSI model
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Question 29 of 30
Q-29._______ is a first-generation cellular phone system
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Question 30 of 30
Q-30.The __________ cellular phone system will provide universal personal communication
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