Rest API - Authentication and Authorization
What is the correct Authorization header value for username 'admin' and password '1234' using Basic Authentication?
Note: Use standard Base64 encoding.
Note: Use standard Base64 encoding.
What is the correct Authorization header value for username 'admin' and password '1234' using Basic Authentication?
medium📝 Predict Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Concatenate username and password
Combine 'admin' and '1234' with a colon: 'admin:1234'.Step 2: Base64 encode the string
Encoding 'admin:1234' in Base64 results in 'YWRtaW46MTIzNA=='.Step 3: Form the Authorization header
Prefix with 'Basic ' to get 'Authorization: Basic YWRtaW46MTIzNA=='.Final Answer:
Authorization: Basic YWRtaW46MTIzNA== -> Option DQuick Check:
Check Base64 encoding includes padding '==' [OK]
Quick Trick: Encode 'username:password' in Base64 with padding [OK]
Common Mistakes:
- Omitting Base64 padding characters
- Not encoding the colon separator
- Using plain text instead of Base64
Master "Authentication and Authorization" in Rest API
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