[Solved] What will be the output of this PowerShell code?$hash = @{ 'a' = 1; 'b' = 2 }$hash['a'] = 3$hash['c'] = 4$hash['b'] | PowerShell

PowerShell - Variables and Data Types

What will be the output of this PowerShell code?

$hash = @{ 'a' = 1; 'b' = 2 }
$hash['a'] = 3
$hash['c'] = 4
$hash['b']

A2

B1

C3

D4

Step-by-Step Solution

Solution:

Step 1: Understand the initial hash table and updates
The hash table starts with keys 'a' = 1 and 'b' = 2. Then 'a' is updated to 3, and a new key 'c' = 4 is added.
Step 2: Identify the value accessed
The code outputs $hash['b'], which was never changed and remains 2.
Final Answer:
2 -> Option A
Quick Check:
Access unchanged key 'b' = 2 [OK]

Quick Trick: Check which key is accessed after updates [OK]

Common Mistakes:

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