Basics about networking (CCNA) Part-3

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How to find out what is the IP address of the computer?

There is a command for that as well:-
Click on start.
Click on run.
Type cmd, click on OK.
Type ipconfig hit enter.
So I can get an IP Address which is given to my computer, here you can see IP Address of your computer, Subnet Mask (will study about SM Later), Default Gateway of computer.

How does u find out the MAC Address?

There is a command for that as well:-
Click on start.
Click on run.
Type cmd, click on OK.
Type ipconfig /all hit enter.
So, it shows you the physical address (Physical is not just the computer or hardware which we are representing). For ex:- 00-37-E5-F3-88-A2 this is an example of MAC Address (Physical Address). You can see the description there as well which shows the name of Network Card (NIC) like Realtek PCIs FE Family Controller. Host name is also mentioned in that which I have told you earlier as well.

If you are connecting two computers in point to point connection then what is your basic requirement?

You must be having LAN Cards (NIC) available on both the systems to connect and communicate with each other; you need Ethernet cable with RJ-45 connector on both sides.

Use of connection:-

You could run peer-to-peer software on both, you could run server software (FTP or web, for instance) on one and access it from the other. You could run chat software on one or both. You could set up file sharing on one or both and share files between them.

How to connect two computers directly using a wireless network?

Wireless Local Area Networks links two or more computers or devices using spread-spectrum or OFDM modulation technology based to enable communication between devices in a limited area. Access points (APs), normally routers, are base stations for the wireless network. They transmit and receive radio frequencies for wireless enabled devices to communicate with. You can connect two computers wirelessly directly without a router/access point by setting up an ad-hoc wireless network, as long as both have compatible wireless adapters.

Read more click here.

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