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Processes and Process State Quiz

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Questions and Answers

What is the purpose of setting the size of the shared memory object using 'ftruncate(shm_fd, 4096)' in POSIX IPC?

To establish a connection between the producer and consumer processes

To allocate a specified amount of memory for the shared memory segment (correct)

To initialize the shared memory with a default value

To terminate the communication between processes

In POSIX IPC, what action does 'shm_open(name, O_CREAT | O_RDWR, 0666)' perform?

Locks the shared memory for exclusive access

Terminates the process

Sends a message from one process to another

Creates a shared memory segment or opens an existing one (correct)

How does communication occur in Windows IPC using LPC facility?

Through dedicated hardware channels

Through message passing and local procedure calls (correct)

By direct access to the system's memory

Via remote procedure calls only

What is the purpose of the server creating two private communication ports and returning a handle to one of them to the client in Windows IPC?

To establish a bidirectional communication channel Signup and view all the answers

Which system uses ports like mailboxes to establish and maintain communication channels?

Windows IPC Signup and view all the answers

What happens when a client opens a handle to the subsystem's connection port object in Windows IPC?

It signifies the initiation of a connection process with the server Signup and view all the answers

How does a process communicate in POSIX IPC after creating a shared memory segment?

By writing messages directly into the shared memory segment Signup and view all the answers

What is the function of 'sprintf(shared memory, "Writing to shared memory")' in POSIX IPC after setting up the shared memory?

To write a message into the shared memory segment Signup and view all the answers

What does the function 'O_CREAT' perform when used in 'shm_open(name, O_CREAT | O_RDWR, 0666)' in POSIX IPC?

Creates a new shared memory segment if it doesn't exist Signup and view all the answers

In Windows IPC, what is returned by the server to establish communication between client and server?

A handle to one of two private communication ports created by the server Signup and view all the answers