NS0-528 Exam Questions & Answers
Implementation Engineer - Data Protection Exam • NetApp
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Sample NS0-528 Questions
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When backing up on-premises NetApp ONTAP volumes to tape using NDMP, which two engines are supported by ONTAP software? (Choose two.)
When using NDMP (Network Data Management Protocol) to back up ONTAP volumes to tape, ONTAP supports two backup engines:
SMTape: Used for block-level backups.
dump: Used for file-level backups.
These are the only engines supported by ONTAP for NDMP-based tape backups.
You are at a customer site and assisting with testing a sudden site disaster scenario with their MetroCluster solution. All the equipment at the production site is suddenly powered off, and the command metrocluster switchover -forced-on-disaster true is issued. After the switchover to the disaster site is complete, the customer notices that one of their database applications is offline. All other data is accessible from the disaster site. You notice the following in the volume show output:
What can you do to help bring the application online while in switchover?
The in-nvfailed-state: true indicates that the volume is in Nonvolatile RAM (NVRAM) failed state, which happens when write operations could not be committed properly during a disaster event. This causes the volume to go into a read-only protected mode to avoid data corruption.
To restore access, you must manually override this state with:
volume modify -vserver SVM1-mc -volume APP02_DB -in-nvfailed-state false
This will bring the volume out of failed state and allow the database application to function again during the switchover.
You have an 8-node MetroCluster IP configuration running NetApp ONTAP 9.14.1 software and using the NetApp ONTAP Mediator service. There is an HA failure in one DR group.
What will happen in this scenario?
In an 8-node MetroCluster IP configuration, if one DR group (i.e., one HA pair at a site) fails and the ONTAP Mediator is in use, MAUSO will be triggered. ONTAP 9.14.1 supports automatic detection and unplanned switchover for such cases using the Mediator to validate the failure and coordinate the takeover.
What ensures that data is continuously secure and encrypted in-flight?
TLS (Transport Layer Security) ensures that data is encrypted in-flight, meaning during transmission between systems. It protects data against eavesdropping and tampering as it moves over the network.
You have a large 2PiB flexgroup that will need to be failed over to a DR site for a weekend due to maintenance work at the original site. To speed up time to return to normal operations the Storage Administrator will use the -quick-resync true option when reversing the SnapMirror relationship.
What needs to be taken into consideration when it comes to using quick resync?
When using the -quick-resync true option in SnapMirror, storage efficiencies such as deduplication and compression are not preserved on the original source during resync. This means that efficiencies will be lost on the source volume, and data will be rehydrated to its full form during transfer.
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