Free 102-500: LPIC-1 Exam 102 - Part 2 of 2 - version 5.0 Exam Questions and Answers

What is the difference between the commands test -e path and test -f path?

• AA. They are equivalent options with the same behaviour.
• BB. The -f option tests for a regular file. The -e option tests for an empty file.
• CC. Both options check the existence of the path. The -f option also confirms that it is a regular file.
• DD. The -f option tests for a regular file. The -e option tests for an executable file.

Which command allows you to make a shell variable visible to subshells?

• AA. export $VARIABLE
• BB. export VARIABLE
• CC. set $VARIABLE
• DD. set VARIABLE
• EE. env VARIABLE

What output will the command seq 10 produce?

• AA. A continuous stream of numbers increasing in increments of 10 until stopped.
• BB. The numbers 1 through 10 with one number per line.
• CC. The numbers 0 through 9 with one number per line.
• DD. The number 10 to standard output.

Which of the following SQL statements will select the fields name and address from the contacts table?

• AA. SELECT (name, address) FROM contacts;
• BB. SELECT (name address) FROM contacts;
• CC. SELECT name, address FROM contacts;
• DD. SELECT name address FROM contacts;

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

Select 2 answers.

• AA. ~/.bashconf
• BB. ~/.bashrc
• CC. ~/.bashdefaults
• DD. ~/.bash_etc
• EE. ~/.bash_profile

Which of the following commands puts the output of the command date into the shell variable mydate?

• AA. mydate="$(date)"
• BB. mydate="exec date"
• CC. mydate="$((date))"
• DD. mydate="date"
• EE. mydate="${date}"

Which command makes the shell variable named VARIABLE visible to subshells?

• AA. export $VARIABLE
• BB. export VARIABLE
• CC. set $VARIABLE
• DD. set VARIABLE
• EE. env VARIABLE

What benefit does an alias in bash provide?

• AA. It provides faster lookups for commands in the system directory.
• BB. It creates a local copy of a file from another directory.
• CC. It hides what command you are running from others.
• DD. It allows a string to be substituted for the first word of a simple command.

Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

• AA. SELECT order_type,COUNT(*) FROM orders WHERE order_type=order_type;
• BB. SELECT order_type,COUNT(*) FROM orders GROUP BY order_type;
• CC. COUNT(SELECT order_type FROM orders);
• DD. SELECT COUNT(*) FROM orders ORDER BY order_type;
• EE. SELECT AUTO_COUNT FROM orders COUNT order_type;

Which of the following are requirements in order to run a shell script like a regular command from anywhere in the filesystem? (Choose THREE correct answers.)

Select 3 answers.

• AA. The user issuing the command must be in the group script.
• BB. The script file must be found in the $PATH.
• CC. The script file must have the executable permission bit set.
• DD. The script must begin with a shebang-line (#!) that points to the correct interpreter.
• EE. The file system on which the script resides must be mounted with the option scripts.