What is the function of the 'ping' tool in relation to a URL? MCQ with Answer and Explanation

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What is the function of the 'ping' tool in relation to a URL?

A. To test website speed

B. To trace the network route

C. To check if the web server is reachable

D. To resolve the domain to an IP

Answer: Option C

Solution (By JKSSB Mock Tests)

Ping sends ICMP echo requests to the host to determine connectivity and round-trip time.

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What is the function of the 'canonical' link tag in SEO?

A. To specify the character encoding

B. To define the site's sitemap

C. To set the language

D. To indicate the preferred URL when multiple URLs point to the same content

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Correct Answer: Option D

Explanation:
The canonical tag helps search engines know which URL is the master copy of a page, preventing duplicate content issues.

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Question #2

Which component of a URL string architecture outlines specific filter commands or input variables passed into a dynamic web database engine, initiated by a question mark '?'?

A. The Port identifier code value

B. The Scheme specification block

C. The Top-Level Domain suffix

D. The Query String / Parameter segment

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Correct Answer: Option D

Explanation:
The query string component contains data variables (expressed as key-value pairs) passed to server-side scripts to filter content or run custom database queries.

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Question #3

What is the purpose of the 'Host' header in an HTTP/1.1 request?

A. To define the content encoding

B. To set the connection type

C. To enable virtual hosting by specifying the domain name

D. To indicate the client's hostname

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Correct Answer: Option C

Explanation:
The Host header is mandatory in HTTP/1.1 to differentiate between websites hosted on the same IP address.

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