Question 6
Which of the following commands can be used to resolve a DNS name to an IP address?
- dnsname
- dns
- query
- host
- iplookup
Question 7
Which of the following outputs comes from the command free? A. B. C. D. E.
Question 8
What is true about the dmesg command? (Choose two.)
- It traces the execution of a command and shows each step the program carries out.
- It sends messages to the command lines of all current user sessions.
- It displays the content of the Linux kernel's ring buffer.
- It immediately outputs all new messages written to the system journal.
- It might not display older information because it was overwritten by newer information.
Question 9
Which of the following outputs could stem from the command last?
- 1 ls 2 cat text.txt 3 logout
- Password for user last changed at Sat Mar 31 16:38:57 EST 2018
- Last login: Fri Mar 23 10:56:39 2018 from server.example.com
- EXT4-fs (dm-7): mounted filesystem with ordered data mode. Opts: (null)
- root tty2 Wed May 17 21:11 - 21:11 (00:00)
Question 10
What is the UID of the user root?
- 1
- -1
- 255
- 65536
- 0