Articles for CIW Enterprise Specialist 1D0-442
EJB Transaction
A transaction is a unit of work that consists of a group of activities performed as a unit such that either all or none of them succeed. An example of where transactions could take place is an online bookstore. In an online bookstore, the purchasing of books involves the following steps:
A......
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How does the JNDI locate the home interface of an enterprise bean?
To locate the home interface of an enterprise bean, the JNDI requires the following steps:
Create the JNDI naming context using the InitialContext class as follows:
Context ctx = new InitialContext()
Use the InitialContext reference to look up for the JNDI name as follows:......
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Skills required for CIW 1D0-442
The CIW 1D0-442 exam is best suited for database developers, database administrators, Internet application developers, middleware programmers, Java developers and client/server developers, etc.
The list of skills required for passing this exam is as follows:
Client-Server and......
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Things to practice for CIW 1D0-442
The CIW 1D0-442 exam is designed for database developers, database administrators, Internet application developers, middleware programmers, Java developers and client/server developers, etc.
CIW Enterprise Specialist is responsible for designing, developing and deploying complete software......
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What are application exceptions?
Application exceptions are thrown in an application to indicate a problem in the business logic of the application. All exceptions in EJB that are not subclasses of RuntimeException or RemoteException are application exceptions. All application exceptions are checked....
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What are container-managed transactions?
Container-managed transactions are those in which the container is responsible for managing the transaction boundaries. Such transactions are also known as declarative transactions. To use a container-managed transaction, the transaction type must be specified in the deployment descriptor.......
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What are environment entries?
Environment entries are declared by the bean provider in the deployment descriptor. Their values can be changed by the deployer at the deployment time. The values set by the deployer cannot be changed programmatically, as these are read-only values. These entries are represented in the deployment......
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What are system exceptions?
System exceptions in EJB are either the subclasses of RuntimeException or RemoteException. Except for the RemoteException, all system exceptions are unchecked. A method cannot recover from these exceptions. Hence, if a method receives these exceptions, it should pass them to the container exactly......
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What are the functionalities of the ORB (Object Request Broker)?
The ORB is a building block of CORBA. When an application component wants to access the services of another application component, it first obtains an object reference of that component. It can then invoke the methods on this object.
The ORB receives parameters from the component that is......
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What are the guaranteed APIs offered by the container in the EJB 2.0 specification?
The guaranteed APIs offered by the container in the EJB 2.0 specification are as follows:
Java API for XML (JAXP 1.0)
JavaMail 1.1 for sending mails only
Java Message Service (JMS 1.0.2) API
Java 2 Standard Edition (J2SE 1.3) API
Java Database Connectivity (JDBC 2.0) extension......
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Pre-Release (
US$ 59.99 29.98 Sale )
PrepKit 1D0-442 is due to be released on 30 Sep 2007. Buy before the release date at discounted price. License keys will be sent once the PrepKit is released.
1D0-442 PrepKit at a Glance
| Includes | Free | Buy |
|---|---|---|
| Version | 8.00.05 | |
| Practice Tests | 1 | 4 |
| 30 | 280 | |
| Quiz | 15 | 130 |
| Final Test | No | Yes |
| Articles, How Tos.., Tips | Yes | Yes |
| Study Notes | 10 | 81 |
Tips and How Tos for 1D0-442 exam
