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Computer Science Engineering Internet Of Things (Iot) Difficulty: Medium

In SQL, which command is used to create a database user? Which of the following runs on Xen Hypervisor? What is the output of this program? #include<stdio.h> #include<stdlib.h> #include<netinet/in.h> #include<sys/types.h> #include<sys/socket.h> int main() { int fd_server, fd_client, len, len_client; struct sockaddr_in add_server; fd_server = socket(AF_INET,SOCK_STREAM,0); close(fd_server); perror("accept"); if(listen(fd_server,5) != 0) perror("listen"); fd_client = accept(fd_server,(struct sockaddr*)&add_server,&len); if(fd_client == -1) return 0; } What is the output of this program? #include<stdio.h> #include<stdlib.h> int main() { int *ptr; ptr = (int *)calloc(1,sizeof(int)); if (ptr != 0) printf("%d\n",*ptr); return 0; } Which of the following is the standard for interoperable cloud-based key management?