Question 51

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.

Question 52

What command should be used to find out what PCI devices can be seen, without querying the kernel?
  • Question 53

    Which of the following are common backup systems used in Linux? (Choose TWO correct answers.)
  • Question 54

    Which of the following files are used to resolve hostnames to IP addresses? (Choose TWO correct answers.)
  • Question 55

    If the command arp -f is run, which file will be read by default?