Home » LPI » 117-201 » Which of the following daemons must be running on an NFS server?
Which of the following daemons must be running on an NFS server?
A. portmap
B. nfsiod
C. nfsd
D. xinetd
E. mountd
Correct Answer: ACE
Explanation/Reference:
Explanation: If you want to provide NFS service to other hosts, you have to run the rpc.nfsd and rpc.mountd daemons on your machine. As RPC-based programs, they are not managed by inetd, but are started up at boot time and register themselves with the portmapper; therefore, you have to make sure to start them only after rpc.portmap is running.
Portmap provides port information to clients requesting RPC services on the server. Mountd determines which filesystem and devices are available to which machine and users. Nfsd is the daemon on the server that handles client filesystem requests.
Reference: http://www.linuxvalley.it/encyclopedia/ldp/guide/nag2/x-087-2-nfs.daemons.html
Incorrect Answers
B:Nfsiod runs on an NFS client machine to service asynchronous I/O requests to its server. It improves performance but is not required for correct operation.
D:Xinetd is a replacement for inetd, the internet services daemon, and offers improved functionality. However, it is not a requirement to run NFS.
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