Question 1

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

Question 2

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.

Question 3

What word is missing from the following SQL statement?
insert into tablename ________(909, 'text');
(Please specify the missing word using lower-case letters only.)

Question 4

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

• A. export $VARIABLE
• B. export VARIABLE
• C. set $VARIABLE
• D. set VARIABLE
• E. env VARIABLE

Question 5

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.

Question 6

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.)

Question 7

What word is missing from the following SQL statement?
__________ count(*) from tablename;
(Please specify the missing word using lower-case letters only.)

Question 8

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

Question 9

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}"

Question 10

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

Question 11

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

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

Question 12

How can the existing environment variable FOOBAR be suppressed for the execution of the
script./myscript only?

• A. unset -v FOOBAR;./myscript
• B. set -a FOOBAR="";./myscript
• C. env -u FOOBAR./myscript
• D. env -i FOOBAR./myscript

Question 13

When the command echo $$ outputs 12942, what is the meaning of 12942?

• A. It is the process ID of the echo command.
• B. It is the process ID of the current shell.
• C. It is the process ID of the last command executed.
• D. It is the process ID of the last command which has been placed in the background.

Question 14

What output will the following command produce?
seq 1 5 20

• C. 1
• D. 2
• E. 5

Question 15

Which of the following words is used to restrict the records that are returned from a SELECT SQL
query based on a supplied criteria for the values in the records?

• A. CASE
• B. FROM
• C. WHERE
• D. IF