What command is used to make an exact copy, at a single point in time, of a logical volume for backup purposes?

Correct Answer:C

The users of the local network complain that name resolution is not fast enough. Enter the command, without the path or any options, that shows the time taken to resolve a DNS query.
Solution:
dig, time dig, time host, time nslookup

Does this meet the goal?

Correct Answer:A