Huawei
H13-611_V5.0 · Question #225
Xiao Wang, an employee of a company, performed the following operations in the company's storage system: at 9:00, he took a snapshot of LUNA and activated it, at 10:00, he modified all the data of…
The correct answer is A. The data in the COW copy-before-write space is the data of LUN A at 9:00. C. The data of the source LUN is the data modified at 10:00. D. After the snapshot is rolled back, the data of the source LUN becomes the data of the snapshot. See the full explanation below for the reasoning.
Backup and Disaster Recovery Technologies
Question
Xiao Wang, an employee of a company, performed the following operations in the company's storage system: at 9:00, he took a snapshot of LUNA and activated it, at 10:00, he modified all the data of the snapshot LUN and the source LUN, and at 11:00, he rolled back the snapshot. Which of the following statement is correct? (Multiple Choice)
Options
- AThe data in the COW copy-before-write space is the data of LUN A at 9:00.
- BThe data in the COW copy-before-write space is 10:00 LUNA data.
- CThe data of the source LUN is the data modified at 10:00.
- DAfter the snapshot is rolled back, the data of the source LUN becomes the data of the snapshot
How the community answered
(33 responses)- A70% (23)
- B30% (10)
Topics
#snapshot#copy-on-write#LUN rollback#snapshot recovery
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