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Inter process and network communication

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Question 1

Which function is used to create a message queue?

  • mq_open()

  • msgget()

  • semget()

  • shmget()

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Question 2

What is printed if successful?

C 
#include <sys/ipc.h>
#include <sys/msg.h>
#include <stdio.h>

int main() {
    int id = msgget(IPC_PRIVATE, 0666 | IPC_CREAT);
    if (id < 0) printf("Error\n");
    else printf("Queue created\n");
    return 0;
}


  • Queue created

  • Error

  • Nothing

  • Compiler error

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Question 3

Which of these is NOT an IPC mechanism?

  • Message queues

  • Semaphores

  • Shared memory

  • Signals

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Question 4

Which header file is essential for using socket functions like socket(), bind(), and accept()?

  • <netdb.h>

  • <unistd.h>

  • <sys/socket.h>

  • <sys/types.h>

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Question 5

Which structure is used to define an address for socket communication in IPv4?

  • struct hostent

  • struct sockaddr_in

  • struct in_addr

  • struct ip_addr

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Question 6

What is the role of htons() in socket programming?

  • Converts port number to host byte order

  • Converts port number to network byte order

  • Hashes the port number

  • Assigns a port number automatically

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There are 6 questions to complete.

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