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IBM C4090-453 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Copy Services | - FlashCopy functions - Metro Mirror (PPRC synchronous replication) - Global Mirror (asynchronous replication) |
| Troubleshooting and Maintenance | - Problem determination and diagnostics - System maintenance procedures |
| Storage Management and Operations | - Performance monitoring and optimization - Volume management and provisioning |
| Installation and Configuration | - Initial system setup and planning - Host attachment and connectivity configuration |
| DS8000 Architecture and Concepts | - System architecture overview - Hardware components and virtualization concepts |
IBM System Storage DS8000 Technical Solutions V3 Sample Questions:
1. 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) The D58870 Technical and Delivery Assessment (TDA) Guide
C) No special document format is required for the review summary
D) The IBM System Storage High End Disk Technical and Delivery Assessment (TDA) Guide
2. The installation of a DSS000 cannot be performed by the Customer Engineer until the Customization and Configuration Worksheets have been completed.
In which document are these worksheets found?
A) DS8000 Architecture and Implementation Redbook
B) DS8000 Introduction and Planning Guide
C) Pre-Sales Technical and Delivery Assessment (TDA)
D) DS8000 Configuration and Options Guide
3. A potential DS8870 customer knows that RAID 5 works much faster and is more capacity-efficient than RAID 6, but they fear for double disk failures due to high rebuild times at large disk sizes.
How should the technical specialist address this concern?
A) Suggest configuring large storage pools with multiple RAID 5 arrays.
B) Discuss how additional hot spares can be configured per device adapter pair.
C) Discuss the DSS000 Smart Rebuild function with the customer.
D) Explain RAID 6 is the only applicable solution.
4. With the DSS000, if a customer raises a Severity' I call with the Hardware or Software Support Center.
IBM will work on the call 24 hours a day, seven days a week provided the customer does what?
A) Has people available to work 24 hours a day, seven days a week to match the Support Center's effort
B) Agrees to attend a daily teleconference and continues to emphasize the importance of the problem
C) Supplies all dumps, logs and traces that the device or component in error has produced
D) Escalates the problem within IBM to see if this route helps fix the issue first
5. A customer has a DS8000 with 100 TB raw capacity' installed and running in their data center. All storage is for open systems workloads. There is 30 TB of unused capacity'. There are no Advanced Functions installed, but after a presentation from the Business Partner they are interested in using FlashCopy to help reduce their overnight batch window.
How can this function be tested in compliance with the DS8000 licensing rules?
A) A FlashCopy license for 100 TB is needed
B) All Advanced Function software is loaded so it can be used in test mode for 45 days
C) AFlashCopylicense for 30 TB is needed
D) Use the DSEA website to request a temporary' license
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: C | Question # 4 Answer: A | Question # 5 Answer: A |






