Lpi 102-400 Online Practice Questions and Exam Preparation

Lpi 102-400 Online Questions & Answers

• Question 1:

  Which option in the /etc/ntp.conf file specifies an external NTP source to be queried for time information? (Specify ONLY the option without any values or parameters.)

  server

• Question 2:

  The presence of what file will temporarily prevent all users except root from logging into the system? (Specify the full name of the file, including path.)

  /etc/nologin

• Question 3:

  Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH?

  A. sshd
  B. ssh-agent
  C. ssh-keygen
  D. ssh-add
  B. ssh-agent

• Question 4:

  Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)

  /etc/at.deny

• Question 5:

  Which of the following steps prevents a user from obtaining an interactive login session?

  A. Run the command chsh -s /bin/false with the user name.
  B. Set the UID for the user to 0.
  C. Remove the user from the group staff.
  D. Add the user to /etc/noaccess.
  E. Create a .nologin file in the user's home directory.
  A. Run the command chsh -s /bin/false with the user name.

• Question 6:

  Which of the following parameters are used for journalctl to limit the time frame of the output? (Choose TWO correct answers.)

  A. --from=
  B. --since=
  C. --until=
  D. --upto=
  E. --date=
  B. --since=
  C. --until=

• Question 7:

  Which of the following commands puts the output of the command date into the shell variable mydate?

  A. mydate="$(date)"
  B. mydate="exec date"
  C. mydate="$((date))"
  D. mydate="date"
  E. mydate="${date}"
  A. mydate="$(date)"

• Question 8:

  Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.) https:// lh3.googleusercontent.com/-5cd-clmKnbk/AAAAAAAAAAI/AAAAAAAAADM/-XesH19Ido/s46-c-k-no/photo.jpg

  /etc/hosts.allow

• Question 9:

  Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose THREE correct answers.)

  A. 127.0.0.0/8
  B. 10.0.0.0/8
  C. 169.255.0.0/16
  D. 172.16.0.0/12
  E. 192.168.0.0/16
  B. 10.0.0.0/8
  D. 172.16.0.0/12
  E. 192.168.0.0/16

• Question 10:

  Which port is the default server port for the HTTPS protocol? (Specify the port number using digits.)

  443