DNS (DOMAIN NAME SYSTEM)

DNS COMPONENTS

DNS CLIENT( IS A SERVICE THAT IS USED FOR RESOLVING)CONTAINS RESOLVER CACHE,
LOCATED ON CLIENT AND SERVER BOTH

DNS SERVER:LOCATED ON SERVER ONLY


DNS CLIENT SERVICE : XP,2000,2003,2008
DNS SERVER : WINDOWS SEVER 2000,2003,2008


DNS IS INSTALLED IF WE INSTALLED ACTIVE DIRECTORY , AD WIZARD ASK YOU FOR INSTALLING DNS ,BECAUSE ACTIVE-DIRECTORY IS TIGHTLY COUPLED WITH DNS.

DNS : 2 METHODS

1:WITH AD
2:WITHOUT AD

AD REQUIRED DNS(MUST)
DNS NOT REQUIRED AD