CompTIA LX0-102 Online Practice Questions and Exam Preparation

CompTIA LX0-102 Online Questions & Answers

• Question 121:

  Which of the following bash options will prevent an administrator from overwriting a file with a ">"?

  A. set -o safe
  B. set -o noglob
  C. set -o noclobber
  D. set -o append
  E. set -o nooverwrite
  C. set -o noclobber

• Question 122:

  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 123:

  A user was not given permission to use the CRON scheduling system. What file needs to be modified to provide that access? (Please specify the full path to the file).

  /ETC/CRON.ALLOW

• Question 124:

  An administrator discovers a pending job for the at command. Which of the following does the administrator need to use to remove it?

  A. atrm
  B. atq -r
  C. at -e
  D. rmat
  A. atrm

• Question 125:

  While performing a security audit, an administrator discovers that a machine is accepting connections on TCP port 184, but it is not obvious which process has the port open. Which of the following programs should the administrator use to find out?

  A. traceroute
  B. strace
  C. debug
  D. nessus
  E. lsof
  E. lsof

• Question 126:

  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 127:

  What is the assigned port number for the HTTP service? (Provide the number with digits and not as a word)

  80

• Question 128:

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

  A. postfix
  B. procmail
  C. sendmail
  D. exim
  E. smtpd
  A. postfix
  C. sendmail
  D. exim

• Question 129:

  Which of the following characters in the password field of /etc/passwd is used to indicate that the encrypted password is stored in /etc/shadow?

  A. *
  C. s
  D. x
  D. x

• Question 130:

  To prevent a specific user from scheduling tasks with at, which of the following should the administrator do?

  A. Add the specific user to /etc/at.allow file.
  B. Add the specific user to [deny] section in the /etc/atd.conf file.
  C. Add the specific user to /etc/at.deny file.
  D. Add the specific user to nojobs group.
  E. Run the following: atd --deny [user].
  C. Add the specific user to /etc/at.deny file.