Arista Linux Essentials - ACE-P-ALE1.04 Exam Questions [2026]

QUESTION NO: 1
In a bash script, what does the $0 builtin variable contain?

A. The entire command line B. The number of command line arguments C. The name of the script D. The last command line argument

Correct Answer: C

QUESTION NO: 2
Why shouldn't you use standard package and dependency management on an Arista switch?

A. Running an install could update dependencies required for the base EOS install B. There is no reason not to use them on an Arista switch C. Arista switches can't run package managers D. Arista modifies the kernel to disallow it

Correct Answer: A

QUESTION NO: 3
In a bash script, which of the following is the most common way to send output to the screen?

A. echo B. write C. print D. send

Correct Answer: A

QUESTION NO: 4
When scripting in bash, it is recommended to always use which symbols around your variables to reference them?

A. () B. [] C. ' ' D. {} E. " "

Correct Answer: E

QUESTION NO: 5
To negate a set in a regular expression pattern, which character is used?

A. - B. ? C. ^ D. !

Correct Answer: C

QUESTION NO: 6
If there are three arguments on the command line to a bash script, what will be the contents of $# builtin variable?

A. 0 B. 1 C. 3 D. 2 E. 4

Correct Answer: C

QUESTION NO: 7
What free optional software package allows the Linux kernel to support proprietary filesystems such as ExFAT and NTFS?

A. UFS B. inodes C. FUSE D. VFS

Correct Answer: C

QUESTION NO: 8
In regular expressions, three quantifier operators are

A. *, ? and + B. (),. and * C. (), [] and {} D. (), * and ?

Correct Answer: A

QUESTION NO: 9
What is the difference between bin directories and sbin directories?

A. Executables in sbin require root access B. Executables in bin are for all users, while sbin is for system-related executables generally used by the root user C. They are linked, so they both hold the same executables D. It doesn't matter - binaries are randomly placed in one or the other

Correct Answer: B

QUESTION NO: 10
If the system is swapping, what can be done to alleviate the problem?

A. Add faster CPUs B. Add more memory C. Add a larger hard drive D. Add more CPUs

Correct Answer: B