Which of the following is a markup language used to define the structure of data, often used in web syndication (e.g., RSS)? MCQ with Answer and Explanation

Which of the following is a markup language used to define the structure of data, often used in web syndication (e.g., RSS)?
A. XML
B. HTML
C. YAML
D. JSON
Answer: Option A
Solution (By JKSSB Mock Tests)
XML is a markup language commonly used for RSS feeds and other data formats, though JSON is also used.

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Which of the following browser technologies executes dynamic programming code natively on the client's computer to create interactive UI behaviors without continuous server interaction?
A. CSS Layout Core
B. JavaScript
C. XML Metadata Templates
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Correct Answer: Option B


Explanation:
JavaScript is the standard client-side scripting language interpreted natively by modern browser engines to implement complex interactive logic on web pages.

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Question #2
Which of the following ports is designated by default for secure, encrypted Post Office Protocol version 3 (POP3S) communication?
A. 443
B. 993
C. 110
D. 995

Correct Answer: Option D


Explanation:
Port 995 is the globally recognized default network port assigned for POP3 operations run securely over an encrypted SSL/TLS connection.

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Which parameter indicates a 'Web Cache Poisoning' exploit intent?
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B. An attacker updates a computer's local graphics driver without authorization.
C. An attacker sends thousands of unwanted physical junk mail deliveries to an office building.
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Correct Answer: Option A


Explanation:
Web cache poisoning involves forcing cache servers to store invalid or malicious HTTP responses, which are then distributed to unsuspecting users requesting the same page.

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