Q1 . what are computer networks?

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SOLUTION

It is an interconnected web of resources that can communicate and share resources among one another.

Q2 . What are network packets?

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SOLUTION

A network packet is a packet of data that is transmitted across the network.The packet contains information like what data has to be transmitted and also some information like source and destination .

Q3 . What is a socket?

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SOLUTION

Sockets are used for communication.A socket is bound to a port number and server is bound to the socket waiting for incoming requests or connections.

Q4 . What are the various technologies used in wired communication?

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SOLUTION

Wired technologies are used to transmit data through a physical medium.Examples are

>Coaxial cable

>Fibre optic cable

>Twisted pair cable

Q5 . What are the various technologies used in wireless communication?

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SOLUTION

Wireless technologies are used to transmit the data without a physical medium.Examples are

>WIFI

>Bluetooth

Q6 . What is a NIC card ?

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SOLUTION

It stands for Network interface controller.It a hardware chip that is used to connect a computer to the network.

Q7 . What is a mac Address?

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SOLUTION

It stands for media access control address.It is unique address for a system assigned to a system by the NIC manafacturer.

Q8 . What is an IP address?

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IP stands for internet protocol.It is a unique address assigned to various resources on the internet that helps identify the resource uniquely.

Q9 . What is a router?

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SOLUTION

It is networking device that is used to forward network packets across the network to other routers or devices.

Q10 . What is a modem?

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SOLUTION

Modem actually means a device tha helps modulate and demodulate signals.The modem helps receive the analog data by converting it to a digital format the computer understands and similarly converts digital computer signals to analog signals that can b

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