protocol
TRANSCRIPT
Ambika Institute of Computer Technology
Protocol
Prepared by Prem Sahu
Ambika Institute of Computer Technology
TCP- Transmission Control ProtocolProtocol: It is set of rule and regulation to transfer the
data over network.
TCP: It is a group or stack of protocol which is responsible to transfer the data from one system to another with different protocol and port number
IPPOPIMAPSMTPHTTPDNSDHCP
Ambika Institute of Computer Technology
IP(Internet Protocol)
It is 32 bit logical address assign to system to identify in network. It is main channel to route through public and private network.
IP v4 and IP v6 is there for communication
E.g. 192.168.1.7(IPv4)
Ambika Institute of Computer Technology
HTTPHyper Text type protocolIt is used to view the web page contains in
internet though web browser.
HTTPS works For secure site where we have provide user name and password
HTTP Port no. 80HTTPs port no. 443
Ambika Institute of Computer Technology
POP3Post office protocol version 3
It is used to download mail from internet, It is used when we configured MS-outlook to download mail from internet.
Every mail site having their unique Pop server to download mail.
Port no. for POP3 is 110
Ambika Institute of Computer Technology
SMTPIt is used to sent mail in Internet
SMTP port no. 25
Every mail site mail server have their own SMTP server.
Ambika Institute of Computer Technology
IMAPIt is also used to download and modify mail
from Internet.
IMAP port no. 143
Ambika Institute of Computer Technology
DHCP(Dynamic host configuration Protocol) It provides IP address to client system automatically when
system request for IP addressTo get IP from DHCP server we have to enable obtain IP
automatically in client system
It follow the DORA process between server and clientD-Discover(Client)O-Offer(Server)R-Request(Client)A-Acknowledge(server)
To renew IP address of system type the following command in command prompt.
Ipconfig/release Ipconfig/renew
Ambika Institute of Computer Technology
DNS(Domain name system)It convert domain name to IP address and
vice versa
It keeps the records of domain name and their IP address to resolve the query.
Every company has their own dedicated DNS server for system management.