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Here you have the best CompTIA LX0-104 practice exam questions

You have 149 total questions to study from
Each page has 5 questions, making a total of 30 pages
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This questions were last updated on November 3, 2025
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Question 1 of 149

What is true regarding the statement beginning with #! that is found in the first line of a script?

It prevents the script from being executed until the ! is removed.

It specifies the path and the arguments of the interpreter used to run the script.

It is a comment that is ignored by the script.

It specifies the character encoding of the script.

Correct Answer: B

Question 2 of 149

SIMULATION -
What word is missing from the following SQL statement? update tablename ____ fieldname='value' where id=909;
(Please specify the missing word using lower\_case letters only.)

Correct Answer:

Question 3 of 149

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

SELECT (name, address) FROM contacts;

SELECT (name address) FROM contacts;

SELECT name, address FROM contacts;

SELECT name address FROM contacts;

Correct Answer: C

Question 4 of 149

Which of the following configuration files should be modified to globally set shell variables for all users?

/etc/bashrc

/etc/profile

~/.bash_profile

/etc/.bashrc

Correct Answer: B

The correct configuration file to modify in order to globally set shell variables for all users is /etc/profile. This file is executed for login shells and applies settings that should be available to all users on the system. Therefore, modifying /etc/profile ensures that the shell variables are globally set for everyone.

Question 5 of 149

Which of the following commands are used to manage the environment and shell variables within a shell process? (Choose TWO correct answers.)

export

init

reset

set

tset

Correct Answer: A, D

The 'export' command is used to set environment variables that are passed to child processes. The 'set' command is used to set and unset shell options and positional parameters. These commands are essential for managing environment and shell variables within a shell process.