Arista Exam ACE-P-ALE1.04 Topic 4 Question 82 Discussion

Actual exam question for Arista's ACE-P-ALE1.04 exam

Question #: 82
Topic #: 4

[All ACE-P-ALE1.04 Questions]

In bash scripting, which of the following is NOT valid way of evaluating an arithmetic expression?

A$(( ))

B${}

C$[]

Dlet

Show Suggested Answer

Suggested Answer: C

by Vallie at Mar 06, 2024, 10:20 AM

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Ira

6 months ago

That's a good point, maybe D) let is the valid way to evaluate arithmetic expressions

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Daron

6 months ago

I think $[] is incorrect because it is used for array references, not arithmetic evaluations

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Jeanice

6 months ago

But I have seen scripts that use ${} to evaluate arithmetic expressions

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Ira

6 months ago

I think D) let is not a valid way to evaluate an arithmetic expression

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Daron

6 months ago

I disagree, I believe the correct answer is C) $[]

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Jeanice

6 months ago

I think the answer is B) ${}

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Daryl

6 months ago

I think A) $(( )) is not valid either, you don't need the double parentheses.

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Roosevelt

7 months ago

I disagree, $[] is actually a valid way. D) let is the one that is not valid.

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Krissy

8 months ago

I believe C) $[] is also not a valid way of evaluating an arithmetic expression.

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Roosevelt

8 months ago

I think B) {} is not a valid way of evaluating an arithmetic expression.

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