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Network Interview Questions and Answers For Graduates Part-1

Be First!

network1. Define Network?
A network is a set of devices connected by physical media links. A network is recursively is a connection of two or more nodes by a physical link or two or more networks connected by one or more nodes.

2. What is Protocol?
A protocol is a set of rules that govern all aspects of information communication.

3. What is a Link?

At the lowest level, a network can consist of two or more computers directly connected by some physical medium such as coaxial cable or optical fiber. Such a physical medium is called as Link.

4. What is a node?
A network can consist of two or more computers directly connected by some physical medium such as coaxial cable or optical fiber. Such a physical medium is called as Links and the computer it connects is called as Nodes.

5. What is a gateway or Router?
A node that is connected to two or more networks is commonly called as router or Gateway. It generally forwards message from one network to another.

6.  Name the factors that affect the performance of the network?
a.Number of Users
b. Type of transmission medium
c. Hardware
d. Software

7. What is Round Trip Time?
The duration of time it takes to send a message from one end of a network to the other and back, is called RTT.

8.  List the layers of OSI
a. Physical Layer
b. Data Link Layer
c. Network Layer
d. Transport Layer
e. Session Layer
f. Presentation Layer
g. Application Layer

9.  Which layers are network support layers?
a. Physical Layer
b. Data link Layer and
c. Network Layers

10. Which layers are user support layers?
a. Session Layer
b. Presentation Layer and
c. Application Layer

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