PowerShell - Scripting Best Practices
Which parameter validation attribute restricts a parameter to accept only specific values in PowerShell?
Which parameter validation attribute restricts a parameter to accept only specific values in PowerShell?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify attribute purpose
[ValidateSet()]restricts parameter values to a predefined set of allowed values.Step 2: Eliminate other options
[ValidateRange()]restricts numeric ranges,[ValidatePattern()]uses regex, and[ValidateLength()]limits string length.Final Answer:
[ValidateSet()] -> Option DQuick Check:
Restrict values to set =[ValidateSet()][OK]
Quick Trick: Use [ValidateSet()] to allow only specific values [OK]
Common Mistakes:
- Confusing [ValidateRange()] with [ValidateSet()]
- Using regex attribute for fixed values
- Assuming [ValidateLength()] restricts values
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