109.4 Configure Client Side DNS

Question 1

Lookup authoritative nameservers for linux.com using Google DNS.

Answer 1

dig @8.8.8.8 +short NS linux.com

Question 2

Option to set the source IP address of a DNS query.

Answer 2

dig -b

Question 3

Generates a ddns_key for /etc/named.conf.

Answer 3

dns-keygen or dnskeygen

Question 4

Command used to perform a database lookup and display entries from the specified database.

Answer 4

getent

Ex. getent group sales

Question 5

Displays IP addresses for a specified domain name like www.google.com.

Answer 5

host www.google.com

Question 6

Queries the name server for specific information.

Answer 6

nslookup in interactive mode

Question 7

Full path to config file to specify order hosts,bind. (used by old versions of the C library)

Answer 7

/etc/host.conf

Question 8

Full path to the conf file that specifies the order of name server lookups.

Answer 8

/etc/nsswitch.conf

Ex. hosts: files dns

Question 9

Full path to conf file that specifies the domain to be searched and the DNS server to use for utilities like dig.

Answer 9

/etc/resolv.conf

search home vmhost
nameserver 192.168.1.1

The first domain name listed after the search keyword must be the home domain of your network.