Interview Question : Please explain 3-tier architecture?
Answer : Application is not directly depending on the database it lies in between the front end and database and the tier present in between is called business tier
3-tiers are
1) Presentation Tier ( in which HTML, DHTML, JSP pages are developed)
2) Business Tier ( in which JAVA Code, JAVA Beans, EJB are used)
3) DataBase Tier ( Databases like SQL Server and ORACLE 9i are used)
Interview Question Category : Testing - General
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