You deployed a custom application on AWS that uses MongoDB as the backend. The database files of MongoDB reside on an iSCSI volume hosted on NetApp Cloud Volumes ONTAP in high availability mode.
In this scenario, what is required to provide fault tolerance for applications when one of the storage nodes fails?
A. ONTAP only
B. load balancer
C. Fabric Pool
D. iSCSI multipath I/O on the client
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