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J2EE (Java Platform, Enterprise Edition) MCQ

1. Which Protocol is used to deliver email to recipient mail Server?

SMTP

IMAP

MAPI

POP

Answer

Correct Answer: SMTP

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2. Among bellow protocol which can be used in Java Mail?

All

POP

SMTP

MIME

Answer

Correct Answer: All

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3. Which is true in case of JMS session?

A JMS session can be locally transacted

A JMS session can be non transacted

A JMS session can participated in distributed transaction

All

Answer

Correct Answer: All

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4. What does lookup() do in JNDI?

Find the specified object which was given in the context

Returns a enumeration of object of searched criteria

Returns a enumeration of binding objects

Returns a enumeration of all the NameClassPair's of current context

Answer

Correct Answer: Find the specified object which was given in the context

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5. GetMessage() of Folder class returns?

Enumeration of String

List of Folder

String array

Message array

Answer

Correct Answer: Message array

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6. Which class can send a message over specific protocol?

Transport

Folder

Store

Message

Answer

Correct Answer: Transport

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7. What type of messaging in provided by JMS?

None

Synchronous and Asynchronous

Asynchronous

Synchronous

Answer

Correct Answer: Synchronous and Asynchronous

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8. By which method we can delete a mail using JavaMail Api?

Messages.setFlag(Flags.Flag.Remove,false);

Messages.setFlag(Flags.Flag.Remove,true);

Messages.setFlag(Flags.flag.Deleted,true);

Messages.setFlag(Flags.flag.Deleted,false);

Answer

Correct Answer: Messages.setFlag(Flags.flag.Deleted,true);

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9. What types of messages are supported by JMS?

Object Messages

All

Text Messages

Map Messages

Answer

Correct Answer: All

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