Multiple choice java

In a multitiered application, which tier is the browser in?

  1. First tier.

  2. Second tier.

  3. Third tier.

  4. Fourth tier
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A Correct answer
Explanation

In the classic multitiered J2EE architecture: Tier 1 is the client tier (browsers, desktop apps), Tier 2 is the web server/presentation tier (servlets/JSP), Tier 3 is the business logic tier (EJBs), and Tier 4 is the EIS tier (databases, legacy systems). The browser runs on the client machine, making it the first tier. Tiers represent logical layers, not physical servers.

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