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IBM C4090-451 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Planning, Sizing and Configuration | 16% | - eConfig and configuration validation - Capacity and performance sizing - TDA process and solution documentation |
| Topic 2: Product Knowledge and Positioning | 22% | - N Series and DCS3700/DCS3860 - Competitive differentiation and positioning - Storwize V3700, V5000, V7000 and SVC - FlashSystem and SAN Volume Controller |
| Topic 3: Migration and Replication | 10% | - Data migration methodologies - Replication solutions for business continuity |
| Topic 4: Software Features and Functionality | 26% | - Management interfaces and tools - Integration with virtualization platforms - Copy services: FlashCopy, Metro Mirror, Global Mirror - Licensing and feature activation |
| Topic 5: Architecture and Technical Characteristics | 26% | - Thin provisioning, compression and tiering - High availability and redundancy - Hardware components and connectivity - RAID, virtualization and storage pooling |
IBM Midrange Storage Technical Support V3 Sample Questions:
1. A customer has a need to support an operating system on an IBM storage platform that is not currently on the official supported list.
What should the IBM technical specialist do on behalf of the customer to gain this support?
A) submit a CompeteCenter request
B) submit a TechXpress request
C) submit a SCORE/RPQ request
D) submit a Support Line request
2. A customer informs the technical specialist that they have thin provisioned their N series storage environment which has 100 TB of usable disk space, and they have achieved a 50% utilization rate of the allocated space. The environment has 100 TB assigned, and they are currently using 50 TB.
What is the theoretical maximum of assigned storage space?
A) 150 TB
B) 200 TB
C) 100 TB
D) 250 TB
3. A customer has an environment based IBM DS storage systems. A question has been raised as to whether a Storwize V7000 with a multi-tier disk solution would provide adequate performance to replace the existing storage.
What tool would be used initially to answer the question?
A) Capacity Magic
B) Disk Magic
C) DS Storage Manager
D) Storage Tier Advisor Tool
4. Which of the following is a correct statement about supported tape drive technologies in a SINGLE frame TS3500 Tape Library?
A) An intermix of LTO and 3592 IBM tape drive technologies is possible in one single TS3500 frame
B) The TS3500 can intermix only dual-ported Fibre Channel based IBM tape drives with LTO and 3592 technology in one single frame.
C) A TS3500 single frame configuration can contain only one IBM tape drive technology- but can host multiple generations of it.
D) There is no intermix of tape drive technologies or generations in a single frame TS3500 configuration.
5. As part of a customer data management solution, it is necessary to store unused data on a low cost device to achieve the necessary cost benefit. While a tape library solution would provide low cost, the customer application is not capable of writing directly to tape.
What recommendation should the technical specialist make to allow the POSIX capable application to access tape devices?
A) Implement IBM LTFS Library Edition using LTO-5orTS1140 tape drives in the library
B) Implement ProtecTIER with LTFS, allowing the management of tape and VTL disk under a single controller
C) Implement IBM LTFS Single Drive Edition on all IBM-supplied LTO-4 or LTO-5 drives in the library
D) Implement SAN Volume Controller with LTFS enabled, allowing IBM LTO drives to act as vdisks
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: C | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: A |






