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IBM C4090-453 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Troubleshooting and Maintenance | - Problem determination and diagnostics - System maintenance procedures |
| Topic 2: DS8000 Architecture and Concepts | - Hardware components and virtualization concepts - System architecture overview |
| Topic 3: Storage Management and Operations | - Performance monitoring and optimization - Volume management and provisioning |
| Topic 4: Copy Services | - Metro Mirror (PPRC synchronous replication) - Global Mirror (asynchronous replication) - FlashCopy functions |
| Topic 5: Installation and Configuration | - Host attachment and connectivity configuration - Initial system setup and planning |
IBM System Storage DS8000 Technical Solutions V3 Sample Questions:
Which tool can a customer use without assistance to determine whether a mixture of different disk types, in conjunction with Easy Tier, could improve performance on a DS8000?
- A. Disk Magic
- B. Capacity Magic
- C. Storage Tier Advisor
- D. Pre-Sales Advisor
Correct Answer: C 🗳️
A customer would like to implement an enterprise solution and needs 200 TB usable capacity on a write intensive workload.
They are convinced that 600 GB drives are the optimum size for their business applications.
Very limited space is available for additional systems in their data center.
Which solution best meets this requirement?
- A. DS8870 system with one frame and 5% SSD drives
- B. Three fully-configured clustered Storwize V7000 systems
- C. DS8870 system with two frames
- D. XIV Gen3 system with 13 modules
Correct Answer: C 🗳️
The exhibit represents a report from Capacity Magic. A customer wants to implement a mixed Open and System z environment. They will be using a combination of SSD, SAS and Nearline SAS drives. System z will require PAV. The NL-SAS drives will be used for FlashCopy targets for Open Systems and for Historical Report Data for z/OS. They wish to use Metro Mirror to replicate the Opens Systems production data to a remote site.
Which of the following best describes the minimum license requirements?
- A. OEL = 173TB, MM = 87TB, FlashCopy = 48TB1 PAV = 87TB, FICON = Yes
- B. OEL = 258TB, MM = 258TB, FlashCopy = 258TB, PAV = 258TB, EICON = Yes
- C. OEL = 258TB, MM = S7TB, FlashCopy = 87TB, PAV = 87TB, FICON = Yes
- D. OEL = 258TB, MM = 141TB, FlashCopy = 141TB, PAV = 1 17TB, EICON = Yes
Correct Answer: D 🗳️
Which of the following items would suggest that the use of space efficient FlashCopy for the Global Mirror secondary volume could present an issue?
- A. The customer is using Tivoli Storage Productivity Center for Replication to manage Global Mirror
- B. The workload has a large amount of heavy sequential write activity
- C. There are multiple primary disk subsystems in the Global Mirror session
- D. There is a long distance between the primary and secondary sites
Correct Answer: B 🗳️
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. Comprestimator
- B. RMF Magic
- C. Disk Magic
- D. Capacity Magic
Correct Answer: D 🗳️
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