Lpi 102-500 Online Practice Questions and Exam Preparation

Lpi 102-500 Online Questions & Answers

• Question 11:

  Which of the following words is used to restrict the records that are returned from a SELECT query based on a supplied criteria for the values in the records?

  A. LIMIT
  B. FROM
  C. WHERE
  D. IF
  C. WHERE

• Question 12:

  Which of the following commands lists all defines variables and functions within Bash?

  A. env
  B. set
  C. env -a
  D. echo $ENV
  B. set

• Question 13:

  Which of the following lines is an example of a correct setting for the DISPLAY environment variable?

  A. hostname:displayname
  B. hostname:displaynumber
  C. hostname/displayname
  D. hostname/displaynumber
  E. hostname
  B. hostname:displaynumber

• Question 14:

  What is a purpose of an SSH host key?

  A. It must be sent by any SSH client in addition to a user key in order to identify the client's host.
  B. It provides the server's identity information to connecting SSH clients.
  C. It is the root key by which all user SSH keys must be signed.
  D. It authenticates any user that logs into a remote machine from the key's host.
  E. It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.
  B. It provides the server's identity information to connecting SSH clients.

• Question 15:

  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 16:

  Which of the following is a valid IPv6 address?

  A. 2001:db8:3241::1
  B. 2001::db8:4581::1
  C. 2001:db8:0g41::1
  D. 2001%db8%9990%%1
  E. 2001.db8.819f..1
  A. 2001:db8:3241::1

• Question 17:

  How does the ping command work by default?

  A. It sends an ICMP Echo Request to a remote host and waits to receive an ICMP Echo Response in return.
  B. It sends an ARP request to a remote host and waits to receive an ARP response in return.
  C. It sends a TCP SYN packet to a remote host and waits to receive an TCP ACK response in return.
  D. It sends a broadcast packet to all hosts on the net and waits to receive, among others, a response from the target system.
  E. It sends a UDP packet to port 0 of the remote host and waits to receive a UDP error response in return.
  A. It sends an ICMP Echo Request to a remote host and waits to receive an ICMP Echo Response in return.

• Question 18:

  Which of the following files is not read directly by a Bash login shell?

  A. ~/.bashrc
  B. ~/.bash_profile
  C. ~/.bash_login
  D. ~/.profile
  E. /etc/profile
  A. ~/.bashrc

• Question 19:

  What entry can you add to syslog.conf file to have all syslog messages generated by your system go to virtual console 12?

  A. *.* /dev/tty12
  B. /var/log/messages | /dev/tty12
  C. | /dev/tty12
  D. syslog tty12
  E. mail.* /dev/tty12
  A. *.* /dev/tty12

• Question 20:

  FILL IN THE BLANK

  Which command is used to set the hostname of the local system? (Specify ONLY the command without any path or parameters.)

  hostnamectl