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Java Standard Edition 5 and 6, Certified Associate Exam

Question No: 71 – (Topic 1)

Click the Exhibit button. Which correctly implements the relationship shown in the diagram?

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  1. class Cat { Dog d;

    }

    class Dog { }

  2. class Cat { } class Dog { Cat c;

    }

  3. class Cat { } class Dog { }

  4. class Cat { Dog d;

}

class Dog { Cat c;

}

Answer: D

Question No: 72 – (Topic 1)

Which Java technology provides a unified interface to multiple naming and directory services?

  1. JNI

  2. EJB

  3. JDBC

  4. JNDI

  5. JavaMail

    Answer: D

    Question No: 73 – (Topic 1)

    Given:

    1. class Book {

    2. public String title; 3.

  1. public void setTitle(String title) {

  2. if (checkTitle(title)) this.title = title; 6. }

  1. public String getTitle() {

  2. return title; 9. }

  1. private boolean checkTitle(String newTitle) {

  2. // code that verifies proposed title change

12. }

13. }

Which two are true? (Choose two.)

  1. The title attribute is protected from direct modification by outside code.

  2. The Book class demonstrates encapsulation.

  3. The Book class does NOT provide information hiding.

  4. The Book class adheres to the JavaBeans naming conventions.

  5. The checkTitle method can be accessed from outside the Book class.

Answer: C,D

Question No: 74 – (Topic 1)

Which is true about MIDlets?

  1. MIDlet devices are not required to allow applications to be uninstalled.

  2. The only API used to create MIDlets is the MIDP API.

  3. Devices that support MIDlets must allow the MIDlets to access the device#39;s low-level functions.

  4. Devices that run MIDlets must provide software that manages wireless downloading of applications.

Answer: D

Question No: 75 – (Topic 1)

Which two are characteristics of an RDBMS? (Choose two.)

  1. An RDBMS represents data using three-dimensional tables.

  2. J2EE provides a cross-platform RDBMS.

  3. Java technologies provide capabilities for connecting a legacy RDBMS to a web application.

  4. Business-tier applications use session beans to represent rows in an RDBMS.

  5. An RDBMS represents data using two-dimensional tables.

Answer: C,E

Question No: 76 – (Topic 1)

You are asked to create code that defines a Beverage, and includes method implementation code for some beverage behaviors. Beverage subtypes will be required to provide implementations of some, but not all, of the methods defined in Beverage.

Which approach correctly implements these goals?

  1. Create an abstract Beverage class that defines only abstract methods.

  2. Create a Beverage interface that all beverage subtypes must implement.

  3. Create an abstract Beverage class that defines both abstract and concrete methods.

  4. Create a concrete Beverage class that defines both abstract and concrete methods.

Answer: C

Question No: 77 – (Topic 1)

Which two are NOT Enterprise Beans? (Choose two.)

  1. JavaBeans

  2. message-driven beans

  3. session beans

  4. entity beans

  5. business beans

Answer: A,E

Question No: 78 – (Topic 1)

Which two are true? (Choose two.)

  1. An interface can implement another interface.

  2. A class can implement more than one interface.

  3. Many classes can implement the same interface.

  4. Every class must implement at least one interface.

Answer: B,C

Question No: 79 – (Topic 1)

Which two are associated with the business tier in a J2EE web-based application? (Choose two.)

  1. Swing applications

  2. JMS

  3. JDBC

  4. applets

  5. servlets

Answer: B,C

Question No: 80 – (Topic 1)

Click the Exhibit button.

Which two are true? (Choose two.)

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  1. A Flux knows with which Grok it is associated.

  2. A Grok knows with which Flux it is associated.

  3. Deleting a Grok will cause a Plu to be deleted.

  4. Deleting a Plu will cause a Grok to be deleted.

  5. Deleting a Snip will cause its associated Grok to be deleted.

  6. Any Grok associated with a Flux must be deleted when the Flux is deleted.

Answer: A,C

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