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ISRO CS 2019 : CN Booster Quiz 2
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Question 1
In case of protocol, it is clear that it is a set of rules that governs a time sequence of events and it must take place:
Question 2
The address resolution protocol (ARP) is used for
Question 3
Successful exchange of information between two layers is done by :
Question 4
Match the following:
List-I
A). Protocol converter
B). Passive device
C). It is a pure electronic device with no software
D). Retransmits the data with high signal without interpreting
E). Pure electronic device but associated with software
F). Active device used to connect multiple LANS with filtering and forwarding as main design criteria.
G). Combination of bridge and router
List-II
1. Gateway
2. Brouter
3. Router
4. Bridge
5. Switch
6. Repeater
7. Hub
List-I
A). Protocol converter
B). Passive device
C). It is a pure electronic device with no software
D). Retransmits the data with high signal without interpreting
E). Pure electronic device but associated with software
F). Active device used to connect multiple LANS with filtering and forwarding as main design criteria.
G). Combination of bridge and router
List-II
1. Gateway
2. Brouter
3. Router
4. Bridge
5. Switch
6. Repeater
7. Hub
Question 5
In GO-BACK N ARQ and Stop and Wait ARQ, the receiver window size =1. Consider the two statements regarding both the protocols
S1: It accepts out of order frames.
S2: It accepts in order Frames.
Which of the following is true regarding given data for the protocols?
Question 6
Suppose that a transmitter operating at 
bps is connected to one end of a 230 km length of coaxial cable. The signal propagation speed in the cable is 230,000 km/sec, If packet switching is used with a packet length of 2000 bits, how many packets have been transmitted and are propagating along the cable when the first bit reaches the other end?
bps is connected to one end of a 230 km length of coaxial cable. The signal propagation speed in the cable is 230,000 km/sec, If packet switching is used with a packet length of 2000 bits, how many packets have been transmitted and are propagating along the cable when the first bit reaches the other end? Question 7
A company wants to create eight subnets with the equal number of hosts. The company has class C IP. Find the correct subnet mask from following:
Question 8
In shared Ethernet link, each user is active only 10% of the time. Suppose packet switching is used for 10 users and each user is equally likely to transmit at any point of time. The probability p that at any given time exactly 8 ysers are transmiting simultaneously. What is the value of 
?
? Question 9
The minimum positive integer p such that 2p modulo 11 = 1 is
Question 10
Which of the following is true about TCP acknowledgment.
I. It is accumulative acknowledgment.
II. It’s size is 48-bits in length.
III. It’s number does not go beyond lost data sequence number.
I. It is accumulative acknowledgment.
II. It’s size is 48-bits in length.
III. It’s number does not go beyond lost data sequence number.
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Jul 6GATE & PSU CS
