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ISRO CS Quiz 6 : Computer Networks

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Question 1

Which of the following transport layer protocols is used to support electronic mail?

Question 2

The address resolution protocol (ARP) is used for

Question 3

Match the following groups:
Group-I:
(P) SMTP
(Q) BGP
(R) TCP
(S) PPP
Grouo-II:
(1) Application layer
(2) Transport layer
(3) Data link layer
(4) Network layer
(5) Physical layer

Question 4

Choose the best matching between Group 1 and Group 2
Group-1
P. Data link layer
Q. Network layer
R. Transport layer
Group-2
1. Ensures reliable transport of data over a physical point-to-point link
2. Encodes/decodes data for physical transmission
3. Allows end-to-end communication between two processes
4. Routes data from one network node to the next

Question 5

If a class B network on the Internet has a subnet mask of 255.255.248.0, what is the maximum number of hosts per subnet?

Question 6

Network addresses is related to:

Question 7

Metrics of congestion depends on percentage of discarded packets due to lack of:

Question 8

The protocol data unit (PDU) for the application layer in the Internet stack is

Question 9

The transport layer protocols used for real time multimedia, file transfer, DNS and email, respectively are

Question 10

In a network of LANs connected by bridges, packets are sent from one LAN to another through intermediate bridges. Since more than one path may exist between two LANs, packets may have to be routed through multiple bridges. Why is the spanning tree algorithm used for bridge-routing?

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GATE & PSU CS Computer Networks

Mar 18GATE & PSU CS