Thursday, September 20, 2018

NETWORKING PROTOCOLS AND THEIR FUNCTIONS.

Networking-- Protocols and their functions.

SOME IMPORTANT PROTOCOL AND THEIR WORK

      

  •  ICMP (Internet Control message Protocol) - For connection      troubleshooting.

     

  • ARP (Address Resolution Protocol) Used to resolve IP to MAC address.

     

  • RARP( Reverse Address Resolution Protocol) Used to resolve MAC to IP.

     

  • DHCP( Dynamic Host Configuration Protocol ) Used to provide automatic IP address

     

  • HTTP (Hyper Text Transfer Protocol ) Used to access web pages from browsers.

     

  • SMB ( Service Message Block ) Used to share resources for windows PCs.

     

  • NFS ( Network File System ) Used to share resources between windows and Unix OS.

     

  • IGMP (Internet Group Message Protocol ) Used to send messages to multiple hosts .

     

  • SMTP ( Simple Mail Transfer Protocol ) Used to send email.

     

  • POP ( Post Office Protocol ) Used to receive mail

     

  • IMAP ( Internet Message Access Protocol ) Used to receive mail.

     

  • NNTP ( Network News Transfer Protocol ) Used to send news to a group 

     

  • NTP( Network Time Protocol ) Used to update time of all network devices.

     

  • FTP ( File Transfer Protocol ) Used to download and upload files in intranet or internet.

     

  • TFTP ( Trivial File Transfer Protocol ) Used to download and upload files but less secure than  FTP

     

  • RDP ( Remote Desktop Protocol ) Used to access remote desktop

     

  • TCP ( Transmission Control Protocol ) Used to deliver data from one device to another .

     

  • UDP ( User Data gram protocol ) Used to deliver data but it is connection less

     

  •  RIP ( Routing Information Protocol ) Used for Dynamic Routing.

     

  • OSPF ( Open Shortest Path First ) Used for Dynamic Routing.

     

  • BGP ( Border Gateway Protocol ) Used for Routing between two AS.

     

  • IS-IS ( Intermediate System to Intermediate System) Use for routing.

     

  • PPTP ( Point to Point Tunneling Protocol ) Used for tunneling in VPN.

     

  • L2TP ( Layer 2 Tunneling Protocol ) Used for tunneling.

     

  • SSTP ( Secure Socket Tunneling Protocol ) Used for tunneling

     

  • CHAP ( Challenged Handshake Authentication Protocol ) Used for authentication.

     

  • PPP ( Point to Point Protocol ) Used for frmaing.

     

  • STP (Spanning Tree Protocol ) Used to prevent loop in switches.

     

  • VTP (Virtual Trunking Protocol ) Used for trunking in switches. 


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