Chapter Outline :
- What are ports and protocols
- Important ports and protocols
- Primary Network Types.
- Important Networking Terms:
- Practical Included :
- Other Important Protocols:
Ports:-
A port is a logical access channel between two devices that helps in their communication. A port is used to transfer the data.
There are a total of 65535 ports.
Protocols:-
The protocol is simply a set of rules which defines a standard way for exchanging information over a network.
1. Transmission Control Protocol(TCP):-
TCP is one of the core parts of IPS (internet protocol suite). Another component is IP. TCP stands for Transmission control protocol.TCP provides the facility to exchange the information or data directly between two hosts. Many major internet applications like e-mail, file transfer, etc. rely upon TCP. This protocol contains a variety of flags likes SYN, ACK, RST, FIN, etc.
2. Internet Protocol(IP):-
Internet Protocol is another core part of IPS.IP is the main communication protocol with is used to deliver packets from source to destination. Internet protocol is responsible for the establishment of the internet.
3. User Datagram Protocol(UDP):-
User datagram protocol (UDP) does not contain any flag. UDP allows computer applications to send messages over internet protocol (IP). In UDP, data or messages are considered as DATAGRAM.UDP was designed by David P. Reed in 1980.
Primary Network Types:-
1.Local Area Network (LAN):
In LAN, a computer network covers small local areas like a home, office, and small workgroups such as schools or universities. Wi-Fi and Ethernet are commonly used for LAN.
2.Wide Area Network(WAN)
In WAN, a computer network covering a larger area like on a national or regional level. A wide area network can be used as a local area network, metropolitan area network (MAN), or campus area network(CAN)
3. Wireless Local Area Network(WLAN)
In WLAN, devices are connected wirelessly by the mechanism of wireless distribution method(OFDM
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