Which of these is the correct syntax to define a PowerShell function with a string parameter named 'name' that defaults to 'Guest'?

easy📝 Syntax Q3 of 15

PowerShell - Functions

Afunction SayHello { param([string]$name <- 'Guest') Write-Output "Hello, $name" }

Bfunction SayHello { param([string]$name : 'Guest') Write-Output "Hello, $name" }

Cfunction SayHello { param([string]$name = 'Guest') Write-Output "Hello, $name" }

Dfunction SayHello { param([string]$name => 'Guest') Write-Output "Hello, $name" }

Step-by-Step Solution

Solution:

Step 1: Identify correct default parameter syntax
PowerShell uses '=' to assign default values inside param blocks.
Step 2: Verify function syntax
function SayHello { param([string]$name = 'Guest') Write-Output "Hello, $name" } correctly uses '=' and quotes for string default value.
Final Answer:
function SayHello { param([string]$name = 'Guest') Write-Output "Hello, $name" } -> Option C
Quick Check:
Default string parameter syntax = '=' with quotes [OK]

Quick Trick: Use '=' and quotes for string defaults in param [OK]

Common Mistakes:

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