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Unformatted text preview: Caching Works
ClientA is at
A? IP Address TTL 192.168.8.44 28 seconds ClientA
Client2 ClientA is at
A? Caching is the process of temporarily storing recently accessed information
in a special memory subsystem for quicker access How DNS Data Is Stored and Maintained
DNS Server Resource records for the zone
DNS ClientA Zone File:
Training.company1.com DNS ClientA DNS ClientB IP address
192.168.2.45 DNS ClientB 192.168.2.46 DNS ClientC 192.168.2.47 DNS ClientC A resource record (RR) is a standard DNS database structure containing information
used to process DNS queries
A zone is a portion of the DNS database that contains the resource records with the
owner names that belong to the contiguous portion of the DNS namespace What Are Resource Records and Record Types? Record type Description A Resolves a host name to an IP add...
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This note was uploaded on 10/15/2011 for the course COMPUTER E EC-321 taught by Professor Liaqatali during the Spring '11 term at College of E&ME, NUST.
- Spring '11