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Mission ISRO 2017 Day-16: Computer Networks Quiz-1
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Question 1
Consider a LAN with four nodes S1, S2, S3and S4. Time is divided into fixed-size slots, and a node can begin its transmission only at the beginning of a slot. A collision is said to have occurredif more than one node transmitin the same slot. The probabilities of generation of a frame in a time slot by S1, S2, S3and S4 are 0.1, 0.2, 0.3 and 0.4, respectively. The probability of sending a frame in the first slot without any collision by any of these four stations is ___________.
Question 2
Which modulation technique is used by the IEEE 802.11 DSSS .
Question 3
What frequency range is used for microwave communications, satellite and radar?
Question 4
A T-switch is used to
Question 5
A supernet has a first address of 205.16.32.0 and a supernet mask of 255.255.248.0. A router receives 4 packets with the following destination addresses.which packet belongs to this supernet?
Question 6
An IP packet has arrived with the first 8 bits as 0100 0010. Which of the following is correct?
Question 7
How many bits is internet address assigned to each host on a TCP/IP internet which is used in all communication with the host?
Question 8
Which statement is false?
Question 9
In which layer of network architecture, the secured socket layer (SSL) is used?
Question 10
Which network protocol allows hosts to dynamically get a unique IP number on each bootup?
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Apr 7GATE & PSU CS
