IBM C4090-457 Questions & Answers - in .pdf
- Total Q&A: 78
- Update: Jun 29, 2026
- Price: $49.99
- Vendor: IBM
- Exam Code: C4090-457
- Exam Name: IBM Storwize V7000 Implementation V1
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IBM Storwize V7000 Implementation V1 Sample Questions:
1. There is existing data on a host to be migrated from old storage controllers into a new Storwize V7000. What is the first host step to be accomplished?
A) Map the LUN to the Storwize V7000 using the old storage controller's GUI
B) Stop all I/O operations from the application server to the LUN to be migrated
C) Unmap the LUN in the external storage system from the host
D) Update host device drivers, including the multipath driver
2. What occurs when a user implements Volume Mirroring on the Storwize V7000?
A) All writes are destaged to the primary copy, but all reads are always done from both copies
B) All writes are destaged to the primary copy, but all reads are always done from the secondary copy
C) All writes are destaged to both copies, but all reads are always done from the primary copy.
D) All writes are destaged to both copies, but all reads are always done from both copies
3. After a successful cluster creation using the USB key, what file be generated on the USB key?
A) satask_results.txt
B) cfgtsk.txt
C) satask_result.html
D) cfgtask.html
4. The storage administrator was given a Comprestimator output of the Storwize V7000. The storage administrator is requested to create compressed volumes from the report.
Which volumes should the storage administrator select to be compressed?
A) Select any volumes that the users request to be compressed
B) Select volumes that are greater than 256 TB
C) Select volumes that shows an expected compression ratio of 25% or lower
D) Select volumes that shows an expected compression ratio of 45% or higher
5. While creating a volume a user selects the "Advanced" button on a Storwize V7000.

What advanced options become available upon selection of the wizard?
A) Host mapping, mirroring and I/O group
B) Mirroring, characteristics and capacity management
C) Capacity management, FlashCopy host mapping
D) Characteristics, pool and host mapping
Solutions:
Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: B |
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