Which type of web architecture uses a 'Three-Tier' format to divide application logical structures cleanly? MCQ with Answer and Explanation

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Which type of web architecture uses a 'Three-Tier' format to divide application logical structures cleanly?

A. Sender inbox, Gateway router, and Recipient junk folder

B. HTML file, CSS style script, and JavaScript dynamic loader

C. Presentation tier (Browser), Application tier (Server logic), and Data tier (Database)

D. Local router, WAN switch, and Global satellite interface

Answer: Option C

Solution (By JKSSB Mock Tests)

A standard three-tier web application architecture separates concerns into the presentation layer (UI), the application logic tier, and the database storage tier.

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Question #1

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What structural element forms the separator dividing individual query parameter pairs inside a standard URL structure, such as '?id=1&page=2'?

A. The colon (:) character

B. The hash (#) character

C. The ampersand (&) character

D. The forward slash (/) character

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Correct Answer: Option C

Explanation:
In a URL query string, the question mark (?) initiates the parameters, while individual key-value pairs are separated from each other using the ampersand (&) character.

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Question #2

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Which of the following is a secure method to transfer files?

A. TFTP

B. SFTP

C. HTTP

D. FTP

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Correct Answer: Option B

Explanation:
SFTP (SSH File Transfer Protocol) provides secure file transfer over SSH, encrypting both commands and data, unlike plain FTP and TFTP.

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Question #3

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Which of the following is a method for securing web applications against Cross-Site Request Forgery (CSRF)?

A. Using anti-CSRF tokens

B. Using HTTPS

C. Output encoding

D. Input validation

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Correct Answer: Option A

Explanation:
Anti-CSRF tokens are a common defense, where a unique token is included in forms and validated on the server to ensure the request originates from the legitimate user.

This question belongs to: Computer Internet and Web Technologies

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