PowerShell - Functions
Which attribute restricts a PowerShell parameter to accept only specific predefined values?
Which attribute restricts a PowerShell parameter to accept only specific predefined values?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the attribute for value restriction
The[ValidateSet()]attribute limits parameter input to a set of allowed values.Step 2: Eliminate other attributes
[Parameter(Mandatory=$true)]enforces presence,[ValidateRange()]restricts numeric ranges, and[AllowNull()]allows nulls.Final Answer:
[ValidateSet()] -> Option AQuick Check:
ValidateSet = restrict to specific values [OK]
Quick Trick: Use ValidateSet to limit parameter choices [OK]
Common Mistakes:
- Confusing Mandatory with ValidateSet
- Using ValidateRange for string values
- Assuming AllowNull restricts values
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