Title: Redhat Certified Engineers on Redhat Enterprise Linux 4 (Labs)
Ver. 03.21.07
Example Question out of 141 Questions:
Make Successfully Resolve to server1.example.com where DNS Server is 192.168.0.254
Answer:
1. vi /etc/resolv.conf
Write: nameserver 192.168.0.245
Explanation:
DNS is the Domain name Server, which maintain a database that can help your computer translate such as www.redhat.com to IP addresses sauch as 216.148.218.197. As no individual DNS server is large enough to keep a database for entire Internet, they can refer request to other DNS servers.
DNS is based on the named daemon, which is built on the BIND (Barkeley Internet Name Domain) package developed through the Internet Software Consortium Users wants to access by name so DNS will interpret the name into IP address. You need to specify the address if DNS server in each and every client machine. In Redhat Enterprise Linux, you need to specify the DNS server into /etc/resolv.conf file. After specifying the DNS server address, you can verify using host, dig and nslookup commands.
#host server1.example.com
Download Redhat Exam RH302 - Redhat Certified Engineers on Redhat Enterprise Linux 4
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