207.2 - Create and maintain DNS zones

Weight: 3

Description: Candidates should be able to create a zone file for a forward or reverse zone and hints for root level servers. This objective includes setting appropriate values for records, adding hosts in zones and adding zones to the DNS. A candidate should also be able to delegate zones to another DNS server.

Key Knowledge Areas:

BIND 9 configuration files, terms and utilities

Utilities to request information from the DNS server

Layout, content and file location of the BIND zone files

Various methods to add a new host in the zone files, including reverse zones

Terms and Utilities:

/var/named/

zone file syntax

resource record formats

named-checkzone

named-compilezone

masterfile-format

dig

nslookup

host