By using the command 'cat /proc/net/bonding/bond0′ , we can check which mode is enabled and what lan cards are used in this bond. In this example we have one only one bond interface but we can have multiple bond interface like bond1,bond2 and so on.
This program can send the request to
#include<stdio.h>
#include<netinet/in.h>
#include<sys/types.h>
#include<sys/socket.h>
int main()
{
int fd_client,fd, len;
struct sockaddr_in add_server;
fd_client = socket(AF_INET,SOCK_STREAM,0);
if (fd_client == -1){
perror("fd_sock");
exit(1);
}
add_server.sin_family = AF_INET;
add_server.sin_port = ntohs(4001);
add_server.sin_addr.s_addr = inet_addr("193.39.0.4");
len = sizeof(add_server);
fd = connect(fd_client,(struct sockaddr*)&add_server,len);
if(fd == -1)
perror("connect");
return 0;
}
a) the system having IP address 193.39.0.4
b) any system present in the network
c) any system of the private network
d) none of the mentionedThis program is valid for
#include<stdio.h>
#include<netinet/in.h>
#include<sys/types.h>
#include<sys/socket.h>
int main()
{
int fd_client,fd, len;
struct sockaddr_in add_server;
fd_client = socket(AF_INET,SOCK_STREAM,0);
if (fd_client == -1){
perror("fd_sock");
exit(1);
}
add_server.sin_family = AF_INET;
add_server.sin_port = ntohs(4001);
add_server.sin_addr.s_addr = inet_addr("144.29.8.2");
len = sizeof(add_server);
fd = connect(fd_client,(struct sockaddr*)&add_server,len);
return 0;
}
a) IPv4
b) IPv6
c) both (a) and (b)
d) none of the mentionedWhat is the output of this program?
#include<stdio.h>
#include<sys/socket.h>
int main()
{
int ret;
ret = shutdown(0,0);
printf("%dn",ret);
return 0;
}
a) 0
b) -1
c) can not be determined
d) none of the mentionedWhat is the problem with this server 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;
struct sockaddr_in add_server;
fd_server = socket(AF_INET,SOCK_STREAM,0);
if (fd_server == -1){
perror("fd_sock");
exit(1);
}
add_server.sin_family = AF_INET;
add_server.sin_port = htons(4001);
add_server.sin_addr.s_addr = inet_addr("122.23.1.1");
len = sizeof(add_server);
if( bind(fd_server,(struct sockaddr*)&add_server,len) != 0)
perror("bind");
if(listen(fd_server,5) != 0)
perror("listen");
fd_client = accept(fd_server,(struct sockaddr*)&add_server,&len);
if(fd_client == -1)
perror("accept");
return 0;
}
a) it can not accept the request of any client
b) it will give the segmentation fault
c) there is no problem with this program
d) none of the mentWhat is the output of this program no 10?
#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);
fd_client = accept(fd_server,(struct sockaddr*)&add_server,&len);
if(fd_client == -1)
perror("accept");
if(listen(fd_server,5) != 0)
perror("listen");
return 0;
}
a) syntax error
b) error at the time of compilation
c) segmentation fault
d) none of the mentionedWhat is the output of this program no 11?
#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;
}
a) syntax error
b) error at the time of compilation
c) segmentation fault
d) none of the mentionedOn which system call, this program (process) waits until the server responds?
#include<stdio.h>
#include<netinet/in.h>
#include<sys/types.h>
#include<sys/socket.h>
int main()
{
int fd_client,fd, len;
struct sockaddr_in add_server;
fd_client = socket(AF_INET,SOCK_STREAM,0);
if (fd_client == -1){
perror("fd_sock");
exit(1);
}
add_server.sin_family = AF_INET;
add_server.sin_port = ntohs(4001);
add_server.sin_addr.s_addr = inet_addr("127.0.0.1");
len = sizeof(add_server);
fd = connect(fd_client,(struct sockaddr*)&add_server,len);
if(fd == -1)
perror("connect");
write(fd,"Hellon",6);
return 0;
}
a) socket()
b) connect()
c) both (a) and (b)
d) none of the mentionedWhat is the the response of this server for this client if both programs are running on the same system?
/*This is server.c*/
#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, add_client;
char buff[10];
fd_server = socket(AF_INET,SOCK_STREAM,0);
if (fd_server == -1){
perror("fd_sock");
exit(1);
}
add_server.sin_family = AF_INET;
add_server.sin_port = htons(4001);
add_server.sin_addr.s_addr = inet_addr("127.0.0.1");
len = sizeof(add_server);
len = sizeof(add_client);
if( bind(fd_server,(struct sockaddr*)&add_server,len) != 0)
perror("bind");
if(listen(fd_server,5) != 0)
perror("listen");
fd_client = accept(fd_server,(struct sockaddr*)&add_client,&len_client);
if(fd_client == -1)
perror("accept");
read(fd_clWhat is the output of this program no 12?
#include<stdio.h>
int main()
{
int fd_socket;
fd_socket = socket(AF_UNIX,SOCK_STREAM,0);
printf("%dn",fd_socket);
return 0;
}
a) -1
b) 0
c) any integer value
d) none of the mentionedIn this program, the third argument of the socket() is used for _____ potocol.
#include<stdio.h>
#include<sys/types.h>
#include<sys/socket.h>
int main()
{
int fd_socket;
if(socket(AF_UNIX,SOCK_STREAM,0) == -1)
perror("socket");
return 0;
}
a) TCP/IP
b) UDP
c) both (a) and (b)
d) none of mentioned
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