[Solved] Identify the error in this Authorization header: 'Authorization: Basic YWRtaW4xMjM0'. - Ans: The base64 string is incorrect; it should encode 'admin:1234' | Rest API

Rest API - Authentication and Authorization

Identify the error in this Authorization header: 'Authorization: Basic YWRtaW4xMjM0'.

AThe header is missing the username

BThe base64 string is incorrect; it should encode 'admin:1234'

CThe header should use 'Bearer' instead of 'Basic'

DThe header is missing the password

Step-by-Step Solution

Solution:

Step 1: Decode the base64 string
Decoding 'YWRtaW4xMjM0' does not produce 'admin:1234'.
Step 2: Confirm correct encoding
The correct base64 for 'admin:1234' is 'YWRtaW46MTIzNA==', so the string is wrong.
Final Answer:
The base64 string is incorrect; it should encode 'admin:1234' -> Option B
Quick Check:
Incorrect base64 encoding = Error in header [OK]

Quick Trick: Check base64 encoding matches 'username:password' exactly [OK]

Common Mistakes:

MISTAKES

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Identify the error in this Authorization header: 'Authorization: Basic YWRtaW4xMjM0'.