NS0-157 Question #47: Real Exam Question with Answer & Explanation

The correct answer is B: Client requests to write data are denied unless accessing the .admin share. SnapMirror Load-Sharing mirrors are read-only destination volumes that redirect client read requests to distribute NFS namespace load from the source volume.

Data Protection and High Availability

Question

Which of the following statements are true in a SnapMirror Load-Sharing (LS) mirror relationship? (Choose two)

Options

AClient requests to write data are allowed if the user is admin
BClient requests to write data are denied unless accessing the .admin share
CClient requests to read data are only allowed if the mirror is up-to-date
DClient requests to read data are redirected to the LS mirror destination volumes

Explanation

SnapMirror Load-Sharing mirrors are read-only destination volumes that redirect client read requests to distribute NFS namespace load from the source volume.

Common mistakes.

A. LS destination volumes deny write requests for all users including administrators - privilege level does not override the read-only nature of the mirror destination, which is enforced at the volume level.
C. Client read requests are not conditional on the mirror's synchronization state; reads are always served from the LS destination volume regardless of whether it reflects the latest updates from the source.

Concept tested. SnapMirror Load-Sharing mirror read-only redirection behavior

Reference. https://docs.netapp.com/us-en/ontap/data-protection/create-load-sharing-mirror-task.html

Topics

#SnapMirror#load sharing mirror#read redirection#data protection

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