XK0-006 Automation, Orchestration, and Scripting Practice Question
A Bash script contains the following function:
```bash myfunc() { local result="$(( $1 + $2 ))" echo "$result"
}
```
If the script calls `myfunc 5 10`, what is the output?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
15
The function adds the two arguments (5+10=15) and echoes the result, which is 15.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
510
Why it's wrong here
String concatenation would require different syntax.
- ✗
5+10
Why it's wrong here
The arithmetic expansion evaluates the expression.
- ✗
the function returns nothing
Why it's wrong here
The echo statement outputs the result.
- ✓
15
Why this is correct
The arithmetic expansion $((5+10)) yields 15.
Go deeper
Related to this question
Learn chapter
Process Management and System Monitoring
Key term
Bash script
A Bash script is a text file containing a sequence of commands for the Unix shell Bash, allowing users to automate repetitive tasks and streamline system administration on Linux and macOS.
Key term
Bash
Bash is a command-line interpreter that lets users interact with an operating system by typing text commands instead of clicking icons.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This XK0-006 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the XK0-006 exam.