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    Chapter 18. DNS > Answers to the Review Questions

    Answers to the Review Questions

    1.The four types of DNS servers are master, slave, caching-only, and forwarding.
    2.An A record translates translated hostnames to IP addresses, and a PTR record works the other way around.
    3.False. A slave DNS server provides load balancing and redundancy benefits.
    4.The rndc utility provides a method for managing the DNS server remotely and securely.
    5.service named configtest
    6.The dig, host, and ping commands can be used to test DNS server functionality.
    7.DNS uses port 53.
    8.The rdnc-confgen command generates an rndc.conf file for the rndc utility.
    9.By default, the rndc utility listens on port 953.


      

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