What does the 'Cross-Origin Resource Sharing' (CORS) security mechanism instruct a web browser to validate when a script requests a resource from a different domain?
A. To double the physical processing speed of the network router adapter
B. To check if the remote server explicitly permits cross-domain requests from the originating site, preventing unauthorized data access
C. To delete temporary history tracks automatically from local storage modules
D. To route incoming text emails through unencrypted FTP pathways
Answer: Option B
Solution (By JKSSB Mock Tests)
CORS is a browser security mechanism that uses HTTP headers to determine whether scripts running in a browser are allowed to access resources from a different origin domain.
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