Oracle Exam 1Z0-580 Topic 3 Question 109 Discussion

Actual exam question for Oracle's 1Z0-580 exam

Question #: 109
Topic #: 3

Which term describes a read-only copy of a file system or volume, which can be created quickly easily, and initially consumes no additional Space within the pool?

Avdev

Bdataset

Csnapshot

Dclone

Epool

Show Suggested Answer

Suggested Answer: C

A snapshot is a read-only point-in-time copy of a file system. The copy-on-write design

of ZFS makes them essentially ''free'' - They are space efficient and instantaneous, providing an invaluable part of backup strategies and synchronizing data between systems.

Incorrect:

Not A: A ZFS vdev (aka 'virtual device') is either:

a single disk, or

two or more disks that are mirrored, or

a group of disks that are organized using RAID-Z.

There are also special kinds of vdevs like hot-spares, ZIL or cache devices, etc.

Not D:

Clones are writeable snapshots, ideal for storing many private

copies of shared data for operations such as data migration, test

and development, or backup.

by Theodora at Dec 08, 2024, 12:49 AM

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Kristin

3 days ago

Hmm, this is a tricky one. I'm guessing C) snapshot is the correct answer, since it fits the description of a read-only copy that's quick and easy to create.

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