Wha it a generic top-level domain?
What characters are allowed in a DNS host name?
What type of DNS record resolves IPv6 addresses?
What use is a PTR DNS record?
What type of DNS enables clients to report a change of IP address to a DNS server?
What is the function of the -dnsserver switch when using nslookup?
What command would you use to view cached NetBIOS name entries?
If you wanted to investigate connections on your machine, which utility would you use?