CompTIA CompTIA Certifications LX0-104 Questions & Answers

• Question 171:

  What output will the command seq 10 produce?

  A. A continuous stream of numbers increasing in increments of 10 until stopped.

  B. The numbers 1 through 10 with one number per line.

  C. The numbers 0 through 9 with one number per line.

  D. The number 10 to standard output.

  Correct Answer: B

• Question 172:

  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? (Specify the full path to the directory.)

  A. /etc/skel

  Correct Answer: A

• Question 173:

  What word is missing from the following SQL statement?

  __________ count(*) from tablename;

  (Please specify the missing word using lower-case letters only.)

  A. select

  Correct Answer: A

• Question 174:

  After issuing:

  function myfunction { echo $1 $2 ; }

  in Bash, which output does:

  myfunction A B C

  Produce?

  A. A B

  B. A B C

  C. A C

  D. B C

  E. C B A

  Correct Answer: A

• Question 175:

  Which of the following files, when existing, affect the behavior of the Bash shell? (Choose TWO correct answers.)

  A. ~/.bashconf

  B. ~/.bashrc

  C. ~/.bashdefaults

  D. ~/.bash_etc

  E. ~/.bash_profile

  Correct Answer: BE

• Question 176:

  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}"

  Correct Answer: A

• Question 177:

  What output will the following command sequence produce?

  echo '1 2 3 4 5 6' | while read a b c; do echo result: $c $b $a; done

  A. result: 3 4 5 6 2 1

  B. result: 1 2 3 4 5 6

  C. result: 6 5 4

  D. result: 6 5 4 3 2 1

  E. result: 3 2 1

  Correct Answer: A

• Question 178:

  When the command echo $ outputs 1, which of the following statements is true?

  A. It is the process ID of the echo command.

  B. It is the process ID of the current shell.

  C. It is the exit value of the command executed immediately before echo.

  D. It is the exit value of the echo command.

  Correct Answer: C