Java Networking Quiz

What does a ServerSocket do in Java?

• It sends data to the client.

• It enables writing servers to listen for incoming network connections.

• It creates a graphical user interface.

• It manages the security of a network.

What method is used to listen for communications on a port using the ServerSocket class?

• getInputStream()

• getOutputStream()

• accept()

• connect()

What happens when a ServerSocket accepts a connection?

• It initiates a connection to the client.

• It sends a request to the client.

• It returns a Socket object that connects the client to the server.

• It closes the connection immediately.

Which classes are used to exchange byte streams over the socket?

• ServerSocket and Socket

• InputStream and OutputStream

• DataInputStream and DataOutputStream

• FileInputStream and FileOutputStream

What is the result of closing a Socket?

• It opens a new connection.

• It sends a message to the server.

• It breaks the connection between the local and remote hosts.

• It upgrades the connection to a secure protocol.

Which historical example of optical telegraph was invented by the Chappe Brothers?

• Internet

• Semaphore lines

• Morse Telegraph

• Telephone

In what year was The Associated Press formed to pool Telegraph expenses?

• 1791

• 1835

• 1848

• 1871

Who invented the code that was used in the practical electric telegraphs of 1837?

• William Cooke

• Charles Wheatstone

• Samuel Morse

• SHRIDEEP PALLICKARA

What is the speed of light in different mediums as mentioned in the slide?

• Speed of sound

• Speed of electricity

• Speed of light

• Speed of signals

What is the main objective of encoding binary data using modulation?

• To send a pair of distinguishable signals

• To create a backup of data

• To compress the data size

• To encrypt the data