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IBM C4090-453 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Solution Design and Sizing | - Customer requirement analysis - Sizing tools and capacity planning (e.g., Disk Magic, Capacity Magic) |
| Topic 2: Pre-Sales and Customer Engagement | - Positioning and competitive differentiation - Technical and Delivery Assessment (TDA) |
| Topic 3: DS8000 Architecture and Features | - System components and architecture - Storage management and performance features |
| Topic 4: Implementation and Configuration | - Advanced functions configuration (FlashCopy, Global Mirror, etc.) - Host attachment and interoperability |
IBM System Storage DS8000 Technical Solutions V3 Sample Questions:
1. What should be used to most effectively model System z customer workload for implementation on IBM DS8800?
A) SMF Analyzer
B) RMF Magic only
C) RMF Magic and Disk Magic
D) Disk Magic only
2. Which statement about I/O Priority Manager on the DS8000 is true?
A) It can interface with VMware VAAI primitives to improve performance
B) It allocates cache on 4K boundaries to improve performance
C) It can be more granular on z/OS than any other operating system
D) It needs at least two tiers of disks to work
3. On the DS8870, which of the following drive options is a valid Easy Tier hybrid pool?
A) eMLO SSDs and 5,400 RPM drives
B) SLO and eMLO SSDs
C) 7,200 RPM drives
D) 15,000 RPM and 7,200 RPM drives
4. What capability' of the DS8SOO helps prevent double drive failures?
A) Parallel volume create and delete
B) Quick initialization
C) RAID DP
D) Smart rebuild
5. Which of the following statements regarding the DSS000 Metro Mirror consistency group function is true?
A) The consistency group functionality requires external automation such as Tivoli Storage Productivity Center V5.x or GDPS to work correctly.
B) A Metro Mirror consistency group must be contained within a single primary disk subsystem.
C) Metro Mirror consistency groups are not required to maintain data consistency across devices in a disaster situation.
D) Simply enabling the Metro Mirror consistency group function on a PPRC path will provide consistency for all devices in this LSS.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: A |
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