NS0-157 · Question #184
Which statement is true about NFS export in Cluster-Mode?
The correct answer is C. Export policies and rules are stored in the RDB. In ONTAP Cluster-Mode, NFS export policies and rules are stored persistently in the Replicated Database (RDB), replacing the 7-Mode /etc/exports file model.
Question
Which statement is true about NFS export in Cluster-Mode?
Options
- AExport policies are created and modified by editing /etc/exports.
- BExports can be either persistent or temporary.
- CExport policies and rules are stored in the RDB.
- DBoth A and B
- EBoth B and C
How the community answered
(41 responses)- A2% (1)
- C95% (39)
- E2% (1)
Why each option
In ONTAP Cluster-Mode, NFS export policies and rules are stored persistently in the Replicated Database (RDB), replacing the 7-Mode /etc/exports file model.
The /etc/exports file is a 7-Mode construct and does not exist in ONTAP Cluster-Mode; export policies are managed through the CLI or System Manager and persisted in the RDB.
ONTAP Cluster-Mode exports are always persistent because they are stored in the RDB; there is no concept of temporary exports as existed in some legacy NFS implementations.
ONTAP Cluster-Mode stores all export policies and their associated rules in the Replicated Database (RDB), which replicates the configuration across all nodes in the cluster for high availability. This means export policies survive node failures and do not require manual file editing, unlike the 7-Mode /etc/exports approach.
Both A and B are false - /etc/exports is not used in Cluster-Mode and temporary exports do not exist, so this combined answer is incorrect.
B is false (temporary exports do not exist in Cluster-Mode), so the combination of B and C cannot be the correct answer.
Concept tested: ONTAP Cluster-Mode NFS export policy storage in RDB
Source: https://docs.netapp.com/us-en/ontap/nfs-config/create-export-policy-task.html
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