Posts

Showing posts from May 8, 2011

DNS Server Interview Questions And Answers for linux admin

DNS Server Interview Questions And Answers for linux admin Q: - which are the important configuration files for DNS server ? BIND uses /etc/named.conf as its main configuration file, the /etc/rndc.conf file as the configuration file for name server control utility rndc, and the /var/named/ directory for zone files and the like. Q: - What is BIND ? BIND stands for Berkeley Internet Name Domain which is the most commonly used Domain Name System (DNS) server on the Internet. Q: - On which version of bind u have worked ? BIND 9 Q: - What is the role of DNS ? A DNS server, or name server, is used to resolve an IP address to a hostname or vice versa. Q: - On which port DNS server works ? DNS servers use port 53 by default. Incoming and outgoing packets should be allowed on port 53. Also allow connections on port 921 if you configure a lightweight resolver server. The DNS control utility, rndc, connects to the DNS server with TCP port 953 by default. If you are running rn...