Lpi 102-500 Online Practice Questions and Exam Preparation

Lpi 102-500 Online Questions & Answers

• Question 121:

  What is true about the following command?

  nmcli device wifi connect WIFIoI

  A. NetworkManager opens a new public hotspot with the SSID WIFIoI.
  B. NetworkManager creates an unconfigured new virtual network interface named WIFIoI.
  C. NetworkManager creates a new wifi connection WIFIoI and activates it.
  D. NetworkManager returns an error in case the connection WIFIoI does not exist.
  E. NetworkManager returns an error because WIFIoI is an invalid wifi device.
  C. NetworkManager creates a new wifi connection WIFIoI and activates it.

• Question 122:

  Why is the xhost program considered dangerous to use?

  A. It makes it difficult to uniquely identify a computer on the network.
  B. It allows easy access to your X server by other users.
  C. It logs sensitive information to syslog.
  D. It makes your computer share network resources without any authentication.
  E. It is a graphical DNS tool with known exploits.
  B. It allows easy access to your X server by other users.

• Question 123:

  What output is produced by the following command sequence?

  echo `1 2 3 4 5 6' | while read a b c; do

  echo result $c $b $a;

  done

  A. result: 6 5 4
  B. result: 1 2 3 4 5 6
  C. result: 3 4 5 6 2 1
  D. result: 6 5 4 3 2 1
  E. result: 3 2 1
  C. result: 3 4 5 6 2 1

• Question 124:

  FILL IN THE BLANK

  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 125:

  FILL IN THE BLANK

  To exclude all log messages of a given logging facility, you should use a logging priority of _____ .

  none

• Question 126:

  What is true about the Hop Limit field in the IPv6 header?

  A. The field is not changed during the transport of a package.
  B. The field is transmitted within a hop-by-hop extension header.
  C. Each router forwarding the packet increases the field's value.
  D. Each router forwarding the packet decreases the field's value.
  E. For multicast packages, the field's value is always 1.
  D. Each router forwarding the packet decreases the field's value.

• Question 127:

  FILL IN THE BLANK

  Which keyword must be listed in the hosts option of the Name Service Switch configuration file in order to make host lookups consult the /etc/hosts file?

  files

• Question 128:

  Which command is used to sync the hardware clock to the system clock? (Specify ONLY the command without any path or parameters.)

  A. hwclock
  B. /sbin/hwclock
  C. /usr/sbin/hwclock
  A. hwclock

• Question 129:

  Which of the following are commonly used Mail Transfer Agent (MTA) applications? (Choose Three.)

  A. Postfix
  B. Procmail
  C. Sendmail
  D. Exim
  E. SMTPd
  A. Postfix
  C. Sendmail
  D. Exim

• Question 130:

  Which of the following commands is used to rotate, compress, and mail system logs?

  A. rotatelog
  B. striplog
  C. syslogd --rotate
  D. logrotate
  E. logger
  D. logrotate