2. DNS
THE DOMAIN NAME SYSTEM (DNS)IS A TECHNOLOGY STANDARD
FOR MANAGING NAMES OF PUBLIC WEB SITES AND OTHER
INTERNET DOMAINS. DNSTECHNOLOGY ALLOWS YOU TO TYPE
NAMES INTO YOUR WEB BROWSER LIKE LIFEWIRE.COM AND
YOUR COMPUTER TO AUTOMATICALLY FIND THAT ADDRESS ON
THE INTERNET.AKEY ELEMENT OF THE DNSIS A WORLDWIDE
COLLECTION OF DNSSERVERS.
3. TYPES OF DNS LOOKUPS ZONE
FORWARDLOOKUPZONE
REVERSELOOKUPZONE.