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