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IBM WebSphere Commerce V7.0 Application Development Sample Questions:

1. An application developer needs to perform an initial data load using the WebSphere Commerce Data Load utility. What action must be taken to maximize performance?

A) Specify a large commit count and batch size.
B) Specify a large ID resolver cache size.
C) Specify a commit count of 1 and batch size of 1 to minimize rollbacks.
D) Not specify a key range.
E) Specify the ID resolver cache size to 0.

2. An application developer is asked to write queries to retrieve information from custom tables. What types of queries can be created in Data Service Layer?

A) Access bean findBy queries
B) One-step and multi-step queries
C) Single-step and Two-step queries
D) Business Object Document queries

3. In which case must container-managed persistence entity beans be used instead of a session bean? A case where:

A) a query returns a large result set.
B) a query retrieves data from several tables.
C) a query updates data in a table.
D) a SQL statement performs a database intensive read operation.

4. The business logic layer in WebSphere Commerce runtime is implemented using the command pattern where application logic is specified independently from the presentation layer. Which statement about the implemented commands for the business logic layer is correct?

A) Task commands are used to implement application logic and should not be accessed by the presentation layer.
B) View commands are invoked by the task commands and are used to compose a view as a response to a client request.
C) Data bean commands are invoked by the data bean manager and are used to populate fields of a data bean with data from a persistent object.
D) Entity beans act as an interface between the business components and the database.

5. An application developer needs to ensure that multiple portlets on a page and across pages can communicate as one client with the WebSphere Commerce Server. Where in the portlet session should the authentication callback handler object and business context object be stored?

A) contextId
B) contextData
C) contextService
D) contextKey

Solutions: