Author: ignougroup

Ans : Understanding DNSThe basic function of name server is to answer queries by providing the informationthat those queries request. A DNS name server primarily translates domain and hostnames into IP addresses. Each domain is typically represented by a least Read More …

Ams : RedHat Linux installs nfs by default, and nfs is also activated when the system boots.One can check whether nfs installed or not using the RPM command in conjunctionwith the grep command to search for all installed nfs packages.The Read More …

Ans : NFS isn’t a single program, but a suite of interrelated programs that work together toget the job done. The following are several daemons that are started when a systemgoes into run level 3 or multi-user mode. The mounted Read More …

Ans : Programs that read and write to files on a local filesystem rely on the operatingsystem to track their access location within the file with a pointer. As NFS is anetwork-based file system, and networks can be unreliable, it Read More …

Ans : Programs that read and write to files on a local filesystem rely on the operatingsystem to track their access location within the file with a pointer. As NFS is anetwork-based file system, and networks can be unreliable, it Read More …

Ans : VFS interface is the mechanism used by NFS to redirect all access to NFS-mountedfiles to the remote server. It is done in such a way that files on the remote NFS serverappear to the user like those on Read More …

Ans : TCP server, binds to a well-known port and waits for a client to try to connect to it.This process is called as “listening” and it is performed by calling the listen () systemcall. The Listen system call is Read More …

Ans : Generally “connect” function is used by client program to establish a connection to aremote machine (server). Syntax of connect is given below: #include<sys/types.h> #include<sys/socket.h> int connect(int sockfd, struct sockaddr_in *server_addr, int serv_addrlen); connect() returns 0 if successful or Read More …

Ans : After creating “socket” and before Sending/Receiving data using socket, it must beassociated with a local port and a network interface address. That’s why we can saymapping of a socket to a port number and IP address is called Read More …

Ans : As you know socket family defines the protocol group needed forcommunication. At the time of programming you should choose one of the givenoptions but because we are concerned about TCP/IP you need to rememberAF_INET. AF_UNIX /*Unix internal protocols Read More …