Exam Name: IBM System Storage DS8000 Technical Solutions V3
Certification Provider: IBM
Corresponding Certification: IBM Certified Specialist
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IBM C4090-453 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Solution Design and Sizing | 26% | - Configuration and sizing - TDA (Technical Delivery Assessment) process - Disk Magic and Capacity Magic tools - Requirements analysis |
| Topic 2: Migration and Support | 10% | - Support resources and documentation - Upgrade and compatibility - Data migration strategies |
| Topic 3: DS8000 Architecture and Components | 22% | - RAS features and reliability - Cache and Non-Volatile Storage (NVS) - Hardware architecture and components - Easy Tier and storage tiering |
| Topic 4: Interoperability and Integration | 14% | - VMware integration - Tivoli Storage Productivity Center - PowerHA and GDPS integration - Open systems and mainframe environments |
| Topic 5: Copy Services and Advanced Functions | 28% | - Encryption and security - z/OS specific copy services - FlashCopy - Thin provisioning and QoS - Metro Mirror / Global Mirror |
IBM System Storage DS8000 Technical Solutions V3 Sample Questions:
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. Use the DSEA website to request a temporary' license
- B. AFlashCopylicense for 30 TB is needed
- C. All Advanced Function software is loaded so it can be used in test mode for 45 days
- D. A FlashCopy license for 100 TB is needed
Correct Answer: D 🗳️
What factor in the architecture of the DSS000 allows for concurrent microcode updates to be performed?
- A. Subsystem Device Drivers
- B. Call Home and Dial-in support
- C. Control-unit Initiated Reconfiguration support
- D. Built-in redundancy
Correct Answer: D 🗳️
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. XIV Gen3 system with 13 modules
- B. DS8870 system with two frames
- C. Three fully-configured clustered Storwize V7000 systems
- D. DS8870 system with one frame and 5% SSD drives
Correct Answer: B 🗳️
A potential DS8OIJO customer would like to understand the size of the non-volatile storage (NVS) as compared to the overall size of the DS8000 processor memory.
Which technical feedback to the customer is correct?
- A. NVS size is 4 GB for all cache sizes up to 64 GB. and 16 GB for all overall cache sizes over 64 GB
- B. NVS size is a part of the SARC algorithm and adapts automatically depending on the actual workload of the customer
- C. NVS size is 1/32 scale (in minimum 1 GB) of the overall processor memory
- D. NVS size can be adjusted according to customer demand using the CLI
Correct Answer: C 🗳️
What capability' of the DS8SOO helps prevent double drive failures?
- A. Smart rebuild
- B. RAID DP
- C. Quick initialization
- D. Parallel volume create and delete
Correct Answer: A 🗳️
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