Question

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Answer 1

Explanation:

Answer 1:

Network Card:-

NIC is short for network interface card. It's network adapter hardware in the form of an add-in card that fits in an expansion slot on a computer's motherboard. Most computers have them built-in — in which case they're just a part of the circuit board — but you can also add your own NIC to expand the functionality of the system.

The NIC provides the hardware interface between a computer and a network, regardless of whether the network is wired or wireless since the NIC can be used for Ethernet networks as well as Wi-Fi ones.

"Network cards" that connect over USB are not actually cards but instead regular USB devices that enable network connections through the USB port. These are called network adapters.

Answer 2:

Different type of networks are

LAN(Local Area Network)

PAN(Personal Area Network)

MAN(Metropolitan Area Network)

WAN(Wide Area Network)

Answer 3:

Benefits of Networking:

1. Strength business connections.
2. Get fresh ideas. ...
3. Advance your career. ...
4. Get access to job opportunities. ...
5. Interconnected business contacts
6. Get career advice and support. ...
7. Build confidence. ...
8. Gain a different perspective.

Answer 4:

Local Area Network (LAN):

LAN is a group of network devices which allow the communication between connected devices. The private ownership has the control over the local area network rather than public. LAN has short propagation delay than MAN as well as WAN. It covers the smallest area such as: College, School Hospital and so on.

Wide Area Network (WAN):

WAN covers the large area than LAN as well as MAN such as: Country/Continent etc. WAN is expensive and should or might not be owned by one organization. PSTN or Satellite medium are used for wide area network.

Answer 5:

Hub:

Hub is a networking devices which is used to transmit the signal to each port (except one port) to respond from which the signal was received. Hub is operated on Physical layer. In this packet filtering is not available. It is of two types: Active Hub, Passive Hub.

Switch:

Switch is a network device which is used to enable the connection establishment and connection termination on the basis of need. Switch is operated on Data link layer. In this packet filtering is available. It is type of full duplex transmission mode and it is also called efficient bridge.

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