What is the purpose of the 'Cache-Control' HTTP header?
A. To set the language of the content
B. To specify caching policies for the resource
C. To control the format of the response
D. To authenticate the user
Answer: Option B
Solution (By JKSSB Mock Tests)
The Cache-Control header is used to define caching directives such as max-age, no-cache, and private, controlling how and for how long the resource can be cached.
Which component of a standard search engine's indexing logic tracks and measures the structural volume of inbound hyperlinks pointing to a website to establish its relative authority?
Explanation:
Link analysis algorithms evaluate the quantity and quality of external hyperlinks (backlinks) pointing to a page to determine its authority, relevance, and search ranking position.
Which element in a web browser maintains a local storage copy of recently accessed web images and pages to reduce bandwidth usage and improve subsequent load times?
Explanation:
The browser cache saves asset files locally so that when you revisit a page, the browser reloads components from the local disk rather than re-downloading them.
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