Which of the following HTTP methods is used to retrieve data from a server without affecting the resource?
A. POST
B. PUT
C. GET
D. DELETE
Answer: Option C
Solution (By JKSSB Mock Tests)
The GET method requests data from a specified resource and should not have any side effects (idempotent). POST is for sending data, PUT for updating, DELETE for removing.
What does an 'HTTP Cookie' data structure use to identify a returning user session securely to a server database without prompting continuous password requests?
A.A unique Session ID token string stored locally in the browser and transmitted with each HTTP request
B.The user's physical home street address record
C.The client computer's current internal hardware operating core temperature
D.An unlinked structural HTML layout design code block
Explanation:
When a user logs in, the server generates a unique session identifier and passes it to the browser as a cookie. The browser automatically includes this token with future requests, maintaining the authenticated session.
Which specific protocol operates inside email infrastructures to provide secure, encrypted message transfers between independent mail servers over port 465 or 587?
Explanation:
Secure SMTP variants utilize cryptographic SSL/TLS layers to encrypt email transmissions between mail servers, preventing eavesdropping and data tampering.
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