CA Foundation Business Economics Questions 2023 - Part 32
Fri, 03 Mar 2023
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Comptia Linux + 2023 Questions and answer - Part 18
1. What is true regarding the statement beginning with #! that is found in the first line of a script?
A) A. It prevents the script from being executed until the ! is removed.
B) B. It specifies the path and the arguments of the interpreter used to run the script.
C) C. It is a comment that is ignored by the script.
D) D. It specifies the character encoding of the script.
2. Which Bash option prevents a user from accidentally overwriting a file with a '>'?
A) A. set -o safe
B) B. set -o noglob
C) C. set -o noclobber
D) D. set -o append
E) E. set -o nooverwrite
3. Which of the following commands prints the exit value of the most recently executed program in Bash?
A) A. echo $?
B) B. echo $#
C) C. echo $exit
D) D. echo $status
E) E. echo $&
4. Which of the following SQL statements will select the fields name and address from the contacts table?
A) A. SELECT (name, address) FROM contacts;
B) B. SELECT (name address) FROM contacts;
C) C. SELECT name, address FROM contacts;
D) D. SELECT name address FROM contacts;
5. Which of the following configuration files should be modified to globally set shell variables for all users?
A) A. /etc/bashrc
B) B. /etc/profile
C) C. ~/.bash_profile
D) D. /etc/.bashrc
A) A. It prevents the script from being executed until the ! is removed.
B) B. It specifies the path and the arguments of the interpreter used to run the script.
C) C. It is a comment that is ignored by the script.
D) D. It specifies the character encoding of the script.
2. Which Bash option prevents a user from accidentally overwriting a file with a '>'?
A) A. set -o safe
B) B. set -o noglob
C) C. set -o noclobber
D) D. set -o append
E) E. set -o nooverwrite
3. Which of the following commands prints the exit value of the most recently executed program in Bash?
A) A. echo $?
B) B. echo $#
C) C. echo $exit
D) D. echo $status
E) E. echo $&
4. Which of the following SQL statements will select the fields name and address from the contacts table?
A) A. SELECT (name, address) FROM contacts;
B) B. SELECT (name address) FROM contacts;
C) C. SELECT name, address FROM contacts;
D) D. SELECT name address FROM contacts;
5. Which of the following configuration files should be modified to globally set shell variables for all users?
A) A. /etc/bashrc
B) B. /etc/profile
C) C. ~/.bash_profile
D) D. /etc/.bashrc
1. Right Answer: B
Explanation:
2. Right Answer: C
Explanation:
3. Right Answer: A
Explanation:
4. Right Answer: C
Explanation:
5. Right Answer: B
Explanation:
Explanation:
2. Right Answer: C
Explanation:
3. Right Answer: A
Explanation:
4. Right Answer: C
Explanation:
5. Right Answer: B
Explanation:
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