CompTIA LX0-102 Online Practice Questions and Exam Preparation

CompTIA LX0-102 Online Questions & Answers

• Question 141:

  In the following command and its output, echo $$ 12942 which of the following is 12942?

  A. The process ID of the echo command.
  B. The process ID of the current shell.
  C. The process ID of the last command executed.
  D. The process ID of the last backgrounded command.
  B. The process ID of the current shell.

• Question 142:

  By default, which directories contents will be copied to a new user's home directory when the account is created, passing the -m option to the useradd command?

  /ETC/SKEL/

• Question 143:

  What keyword is missing from this code sample of a shell script?

  ____ i in *.txt; do echo $i done

  A. for
  B. loop
  C. until
  D. while
  A. for

• Question 144:

  After configuring printing on a Linux server, the administrator sends a test file to one of the printers and it fails to print. What command can be used to print the status of the printer's queue? (Provide only the command, without any options or parameters)

  /usr/bin/lpq

• Question 145:

  Please specify the top directory containing the configuration files for the CUPS printing system. (Provide the full path to the directory)

  /etc/cups

• Question 146:

  How is the file format of /etc/crontab different from a normal crontab file? (Select TWO).

  A. The /etc/crontab file can specify a year field.
  B. A normal crontab file must be installed with the crontab command.
  C. A normal crontab file allows for environment variable substitution.
  D. The /etc/crontab file has a user field for commands.
  B. A normal crontab file must be installed with the crontab command.
  D. The /etc/crontab file has a user field for commands.

• Question 147:

  Which IP protocol is connectionless and unreliable? (Please enter only a single answer and do not enter duplicate answers in this field.)

  UDP/IP

• Question 148:

  An ISP has given an administrator an IP block for use. The block is 192.168.112.64/26. If the administrator uses the first usable IP for the router that is installed on the network, how many usable IPs are left? (Please enter the number and not

  a word)

  61

• Question 149:

  Which of the following describes the Linux ping packet or datagram?

  A. IP packet with a packet type
  B. ICMP packet with a message type
  C. ICMP packet with a payload
  D. UDP datagram with a protocol type
  E. UDP datagram with a payload
  B. ICMP packet with a message type

• Question 150:

  Which of the following is the conventional purpose of Linux UIDs that are lower than 100?

  A. They are reserved for super user accounts.
  B. They are reserved for the system admin accounts.
  C. They are reserved for system accounts.
  D. They are unused, aside from 0, because they are targets of exploits.
  E. They are used to match with GIDs in grouping users.
  C. They are reserved for system accounts.