Questions about Java Socket Programming. Choose the correct answer. 1. A try/catch must enclose the calling of

Questions about Java Socket Programming.

Choose the correct answer.

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1. A try/catch must enclose the calling of the accept() method in a ServerSocket instance. a. True b. False 2. Threads can be applied to a program by either extending Thread or extending Runnable. a. True b. False 3. If a variable is declared as this, then it is guaranteed that any thread which reads the field will see the most recently written value. a. Synchronized b. Volatile c. Concurrent d. All of the above e. None of the above 4. SMTP is an example of a protocol that is data-receiving oriented. a. True b. False 5. To generate a Socket instance that will communicate to clients, the ServerSocket method to be called is accept. a. True b. False 6. Byte and character streams are unbuffered streams. a. True b. False 7. Buffered streams are usually more efficient than unbuffered streams. a. True b. False 8. Since the ports 0 to 1023 in TCP are reserved, the port 125000 can be used by any application. a. True b. False 9. This method is called to run a callable object using an Executor. a. Execute b. Start c. Submit d. All of the above e. None of the above 10. It is comprised of a collection of runnables and a group of running threads. a. Thread b. Runnable c. All of the above d. None of the above 11. Streams are used to read from and write to a socket. a. True b. False 12. A stream can represent many different kinds of sources and destinations, including a. Disk files b. Devices c. Other programs d. All of the above 13. The getAddress() method of the InetAddress class returns an array of bytes corresponding to the IP address. a. True b. False 1. A try/catch must enclose the calling of the accept() method in a ServerSocket instance. a. True b. False 2. Threads can be applied to a program by either extending Thread or extending Runnable. a. True b. False 3. If a variable is declared as this, then it is guaranteed that any thread which reads the field will see the most recently written value. a. Synchronized b. Volatile c. Concurrent d. All of the above e. None of the above 4. SMTP is an example of a protocol that is data-receiving oriented. a. True b. False 5. To generate a Socket instance that will communicate to clients, the ServerSocket method to be called is accept. a. True b. False 6. Byte and character streams are unbuffered streams. a. True b. False 7. Buffered streams are usually more efficient than unbuffered streams. a. True b. False 8. Since the ports 0 to 1023 in TCP are reserved, the port 125000 can be used by any application. a. True b. False 9. This method is called to run a callable object using an Executor. a. Execute b. Start c. Submit d. All of the above e. None of the above 10. It is comprised of a collection of runnables and a group of running threads. a. Thread b. Runnable c. All of the above d. None of the above 11. Streams are used to read from and write to a socket. a. True b. False 12. A stream can represent many different kinds of sources and destinations, including a. Disk files b. Devices c. Other programs d. All of the above 13. The getAddress() method of the InetAddress class returns an array of bytes corresponding to the IP address. a. True b. False

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The detailed answer for the above question is provided below 1 a True Exception handling is necessary when calling the accept method as it can throw I... View the full answer