Showing posts with label DNS. Show all posts
Showing posts with label DNS. Show all posts

Sunday, September 25, 2011

TCP/IP Protocols

TCP IP protocols
  • DNS- is used to resolve internet name to Ip address
  • HTTP - is used to transfer files that make up the web pages of WWW.
  • SMTP- to transfer of mail messages and attachments
  • Telnet - a terminal emulation protocol user to provide remote access to servers and networking
  • devices.
  • FTP file transfer protocol - user to interactive file transfer between system.

Thursday, March 11, 2010

Protocols Defined

SNMP stands for Simple Network Management Protocol: Protocol used to monitor and manage network devices
FTP: reliable, connection-oriented service that uses TCP to transfer files between systems
TFTP: connectionless service that uses UDP to transfer files between systems.
DNS: is a protocol that converts human-readable names into machine-readable addresses.
DHCP automatically assigns IP addresses and subnet masks to a workstation.

Relationship Between Protocols and Its Associated Function

ARP - A PC sends packets to the default gateway IP address the first since the PC turned on
ICMP - The network administrator is checking basic IP connectivity from a workstation on a server
DNS- The TCP/Ip protocol stack must find an IP address for packets destined for a URL
DHCP - A network device will automatically assign IP addresses to workstations