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Instant Download IBM : C4090-453 Questions & Answers as PDF & Test Engine
- Exam Code: C4090-453
- Exam Name: IBM System Storage DS8000 Technical Solutions V3
- Updated: Sep 16, 2026
- No. of Questions: 70 Questions and Answers
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IBM C4090-453 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Copy Services | - FlashCopy functions - Global Mirror (asynchronous replication) - Metro Mirror (PPRC synchronous replication) |
| Troubleshooting and Maintenance | - System maintenance procedures - Problem determination and diagnostics |
| Storage Management and Operations | - Volume management and provisioning - Performance monitoring and optimization |
| DS8000 Architecture and Concepts | - Hardware components and virtualization concepts - System architecture overview |
| Installation and Configuration | - Initial system setup and planning - Host attachment and connectivity configuration |
IBM System Storage DS8000 Technical Solutions V3 Sample Questions:
The customer requires a point-in-time copy solution on a DS8000. Which of the following statements is true?
- A. The source and target volumes are totally independent and can be on any drives.
- B. The source and target volumes must be on drives with the same capacity and speed.
- C. The source and target volumes must be on different drivesets only if a background copy is being used.
- D. The source and target volumes must be on different drivesets.
Correct Answer: A 🗳️
A System z customer would like confirmation of the actual amount of additional storage capacity they will get if they add a drive set of 300 GB 15,000 rpm drives in a RAID 5 configuration.
Which tool would be used to provide this information?
- A. Disk Magic
- B. RMF Magic
- C. Capacity Magic
- D. Comprestimator
Correct Answer: C 🗳️
When I/O Priority Manager is enabled, each volume in a D38800 is assigned to a performance group at the time of the volume creation.
What action will the DS8800 take to ensure that the most important volumes as defined to I/O Priority Manager receive the highest level of system resources available?
- A. move volumes with higher performance policy I/Os to faster disks or SSDS
- B. delay I/Os with lower performance policies
- C. allocate additional cache for volumes with higher performance policies
- D. invoke Easy Tier for higher performance policy I/Os
Correct Answer: B 🗳️
A pre-sales TDA must be done for the sale of a new DS8870. Which document type should be used for documenting the review details?
- A. The generic STG pre-sales TDA guide
- B. No special document format is required for the review summary
- C. The D58870 Technical and Delivery Assessment (TDA) Guide
- D. The IBM System Storage High End Disk Technical and Delivery Assessment (TDA) Guide
Correct Answer: C 🗳️
A D38870 administrator would access the GUI using:
- A. A browser
- B. Only the HMC
- C. The POWER7 controller
- D. A thick client
Correct Answer: A 🗳️
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