SCJA-drills-chap12
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| What is the web tier? | The web tier is the tier within an enterprise system that contains the presentation layer.
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| What do web tier components include? | Web tier components include servlets, JavaServer Pages, and JavaServer Faces.
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| What is the business tier? | The business tier is the tier within an enterprise system that contains the business logic.
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| What do business tier components include? | Business tier components include Enterprise JavaBeans.
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| What is the EIS tier? | The EIS tier is the tier within an enterprise system that contains the data layer.
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| What do EIS tier activities include? | EIS tier activities include persistence support through database management systems.
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| What is SOAP? | The Simple Object Access Protocol (SOAP) is a protocol used for information exchange within a decentralized and distributed environment.
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| What is UDDI? | The Universal Description, Discovery, and Integration (UDDI) specification is an XML-based registry that is used by businesses to make their services and general business descriptions available through the Internet.
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| What is WSDL? | The Web Service Definition Language is an XML standard for businesses and individuals to access available services that each provide.
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| What is XML? | The Extensible Markup Language is a general-purpose specification used for creating markup languages.
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| What is SMTP? | The Simple Mail Transfer Protocol (SMTP) is a protocol for sending mail.
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| What does the JavaMail API provide? | The JavaMail API is a framework that provides electronic mail functionality.
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| What the JAX-RPC? | The Java API for XML-based Remote Procedure Call (JAX-RPC) is an API used to build remote procedure calls in order to build web services and clients.
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| What are servlets? | Servlets provide a pure-Java program that functions in response to an HTTP request.
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| What are the JSPs? | JavaServer Pages (JSPs) provide a dynamic web content solution that uses template data and custom elements to expedite and ease the development of the presentation layer.
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| What are session beans? | The session bean is a type of EJB that performs methods for a client.
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| Name two types of session beans related to state. | There are stateful and stateless session beans.
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| What is the difference between stateful and stateless beans? | A stateful bean maintains a conversation state for the client, while a stateless bean does not.
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| What is an entity bean? | The entity bean is a persistent type of EJB that is typically associated with a table in a relational database.
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| What is a message-driven bean? | The message-driven bean is a type of EJB that processes messages asynchronously, acting as a JMS listener.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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