Java Serialization and Networking MCQ Questions

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Each section contains 100 MCQs on Java Serialization and Networking .

What is a multicast in Java Networking?

A) Sending data to a single recipient B) Broadcasting data to all connected clients C) Sending data to a group of interested receivers D) A type of socket

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

In Java Serialization, what happens if a serialized class changes between serialization and deserialization?

A) The program crashes B) An `InvalidClassException` is thrown C) A warning message is displayed D) None of These

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which method is used to customize the serialization process in Java?

A) `customSerialize()` and `customDeserialize()` B) `saveObject()` and `loadObject()` C) `writeObject()` and `readObject()` D) `serialize()` and `deserialize()`

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

In Java Serialization, what is the purpose of the `serialVersionUID` field?

A) To indicate that a class is serializable B) To store serialized data C) To handle exceptions during serialization D) To provide a version number for the serialized class

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What is the purpose of the `java.net` package in Java?

A) It provides classes for network communication B) It handles exceptions in networking C) It provides GUI components D) It is used for database operations

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which Java class is used to represent a URL (Uniform Resource Locator)?

A) `URLEncode` B) `URI` C) `URLConnection` D) `URL`

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

In Java Networking, what is the purpose of the `ServerSocket` class?

A) To connect to a web server B) To send emails C) To listen for incoming client connections D) To read from a file

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which protocol is commonly used for web communication in Java Networking?

A) SMTP (Simple Mail Transfer Protocol) B) HTTP (Hypertext Transfer Protocol) C) UDP (User Datagram Protocol) D) None of These

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

In Java Networking, which class is used for creating a UDP socket?

A) `MulticastSocket` B) `ServerSocket` C) `DatagramSocket` D) `Socket`

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What is the primary use of the `java.io` package in Java?

A) It handles exceptions in networking B) It provides data structures for collections C) It is used for GUI programming D) It provides classes for input and output operations

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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Java Serialization and Networking MCQ Questions | Java Program MCQs