2V0-620 · Question #123
What are two benefits of using NFS 4.1 with vSphere 6.x as compared to NFS 3? (Choose two.)
The correct answer is A. NFS 4.1 supports Kerberos Authentication B. NFS 4.1 supports multipathing. NFS 4.1 introduces Kerberos-based security and native multipathing over NFS 3, which lacks both features in vSphere 6.x.
Question
What are two benefits of using NFS 4.1 with vSphere 6.x as compared to NFS 3? (Choose two.)
Options
- ANFS 4.1 supports Kerberos Authentication
- BNFS 4.1 supports multipathing
- CNFS 4.1 supports IPv6
- DNFS 4.1 supports hardware acceleration
How the community answered
(17 responses)- A94% (16)
- C6% (1)
Why each option
NFS 4.1 introduces Kerberos-based security and native multipathing over NFS 3, which lacks both features in vSphere 6.x.
NFS 4.1 supports Kerberos (krb5, krb5i, krb5p) authentication, providing identity-based security and optional data integrity/encryption - a capability absent in NFS 3 datastores on vSphere.
NFS 4.1 includes Session Trunking, which allows multiple TCP connections to the same datastore across different NICs, providing native multipathing that NFS 3 does not support.
IPv6 support is not an advantage exclusive to NFS 4.1 in vSphere 6.x; NFS 3 also supports IPv6 in that release, making this a non-differentiating feature.
Hardware acceleration (VAAI) for NFS is supported with NFS 3 datastores in vSphere, not with NFS 4.1, which lacks VAAI support in vSphere 6.x.
Concept tested: NFS 4.1 vs NFS 3 feature differences in vSphere
Source: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.storage.doc/GUID-8A929FE4-1207-4CC5-A086-7016D73C328F.html
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