CompTIA LX0-102 Online Practice Questions and Exam Preparation

CompTIA LX0-102 Online Questions & Answers

• Question 21:

  Why is /etc/shadow not world readable if the passwords are stored in an encrypted fashion?

  A. The encrypted passwords are still subject to brute force attacks.
  B. This is just for historical reasons.
  C. There is other information in the file that needs to be kept secret.
  D. The passwords can be decrypted by anyone with root access.
  A. The encrypted passwords are still subject to brute force attacks.

• Question 22:

  Which of the following commands manipulates the TTL (Time to Live) field in the IP protocol in order to get ICMP responses from gateways along the path to a host?

  A. dig
  B. host
  C. ping
  D. tcpdump
  E. traceroute
  E. traceroute

• Question 23:

  Which of the following benefits does an alias in bash provide?

  A. It provides faster lookups for commands in the system directory.
  B. It creates a local copy of a file from another directory.
  C. It hides what command you are running from others.
  D. It allows a string to be substituted for the first word of a simple command.
  D. It allows a string to be substituted for the first word of a simple command.

• Question 24:

  An administrator decides to use xinetd instead of inetd. Now, the administrator needs to transfer information from /etc/inetd.conf to another file. What file must be created or edited? (Please specify the full path).

  /ETC/XINETD.CONF

• Question 25:

  What is the command to delete the default gateway from the system IP routing table? (Please specify the complete command with arguments, please no duplicate answers in this field.)

  /SBIN/IPROUTEDEL0.0.0.0

• Question 26:

  Which of the following programs uses the hosts.allow file to perform its main task of checking for access control restrictions to system services?

  A. tcpd
  B. inetd
  C. fingerd
  D. mountd
  E. xinetd
  A. tcpd

• Question 27:

  The command __________ prints a list of email that is currently in the queue waiting for delivery. (Please specify the command with or without path or arguments)

  /USR/BIN/MAILQ

• Question 28:

  Which of the following is NOT contained in the locale setting of the operating system?

  A. Currency symbol
  B. Language
  C. Timezone
  D. Thousands separator
  C. Timezone

• Question 29:

  The system's timezone may be set by linking /etc/localtime to an appropriate file in which directory?(Provide the full path to the directory, without any country information).

  /usr/share/zoneinfo/

• Question 30:

  By default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the useradd command? (Please provide the full path)

  Answer: /etc/skel, /etc/skel/

  Correct Answer: /etc/skel/