350-601 · Question #339
What is a characteristic of the NFS protocol?
The correct answer is D. It uses remote procedure calls with TCP/IP for transport. The Network File System (NFS) protocol is characterized by its use of remote procedure calls for communication, which are transported over TCP/IP or UDP/IP.
Question
What is a characteristic of the NFS protocol?
Options
- AIt is used for booting Cisco UCS B-Series servers.
- BIt is used to access a storage array at a block level.
- CIt uses UDP and HTTP as its transport.
- DIt uses remote procedure calls with TCP/IP for transport.
How the community answered
(37 responses)- A3% (1)
- B5% (2)
- C3% (1)
- D89% (33)
Why each option
The Network File System (NFS) protocol is characterized by its use of remote procedure calls for communication, which are transported over TCP/IP or UDP/IP.
While NFS can be involved in network booting scenarios, it is not the primary protocol used for booting Cisco UCS B-Series servers, which often rely on Fibre Channel, FCoE, or iSCSI for SAN boot.
NFS is a file-level access protocol, meaning it operates on files and directories, not raw block-level storage; block-level access is characteristic of protocols like Fibre Channel or iSCSI.
NFS uses UDP/IP and TCP/IP for transport and RPC for its operations; it does not use HTTP as a transport protocol.
The NFS protocol leverages remote procedure calls (RPC) to facilitate communication between clients and servers, primarily using TCP/IP or UDP/IP as its underlying transport mechanism for distributed file system access. This architecture allows clients to transparently access files on a remote server as if they were local.
Concept tested: NFS protocol characteristics
Source: https://datatracker.ietf.org/doc/html/rfc1094
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