Which of the following is a valid scheme in a URL? MCQ with Answer and Explanation

Which of the following is a valid scheme in a URL?
A. All of the above
B. http
C. ftp
D. https
Answer: Option A
Solution (By JKExamLibrary)
http, https, and ftp are all valid URL schemes (protocols).

This question belongs to: Computer Internet and Web Technologies

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Practice More Internet and Web Technologies Questions

Question #1 Report Error
Which of the following is a protocol for real-time communication over HTTP?
A. Server-Sent Events (SSE)
B. WebRTC
C. Long Polling
D. All of the above

Correct Answer: Option D


Explanation:
WebRTC, SSE, and Long Polling are all techniques or protocols that enable real-time or near-real-time communication over HTTP.

This question belongs to: Computer Internet and Web Technologies
Question #2 Report Error
Which internet protocol layer is responsible for routing data packets across multiple networks from the source computer host to the destination host?
A. Application Layer
B. Data Link Layer
C. Network Layer
D. Physical Layer

Correct Answer: Option C


Explanation:
The Network Layer (or Internet layer in TCP/IP) manages packet routing, logical addressing, and path determination using protocols like IP.

This question belongs to: Computer Internet and Web Technologies
Question #3 Report Error
What is the function of the 's s l' / 't l s' cryptographic layer when handling web cookies configured with the 'Secure' attribute tag flag?
A. It forces the browser to discard the cookie automatically when the session closes.
B. It ensures that the cookie string is only transmitted over encrypted (HTTPS) connections, preventing interception on unencrypted paths.
C. It blocks search engine bots from parsing the webpage layout structure completely.
D. It automatically translates the domain text string into numerical IP locations.

Correct Answer: Option B


Explanation:
The 'Secure' attribute flag on a cookie directs the client browser to only transmit that cookie back to the server when using an encrypted HTTPS connection.

This question belongs to: Computer Internet and Web Technologies