IBM System Storage DS8000 Technical Solutions V3: C4090-453 Exam
"IBM System Storage DS8000 Technical Solutions V3", also known as C4090-453 exam, is a IBM Certification. With the complete collection of questions and answers, PrepPDF has assembled to take you through 70 Q&As to your C4090-453 Exam preparation. In the C4090-453 exam resources, you will cover every field and category in IBM Certified Specialist Certification helping to ready you for your successful IBM Certification.
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- Exam Code: C4090-453
- Exam Name: IBM System Storage DS8000 Technical Solutions V3
- Certification Provider: IBM
- Corresponding Certification: IBM Certified Specialist
- Updated: Oct 26, 2026
- No. of Questions: 70 Questions & Answers with Testing Engine
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IBM C4090-453 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| DS8000 Architecture and Components | 22% | - Hardware architecture and components - Cache and Non-Volatile Storage (NVS) - Easy Tier and storage tiering - RAS features and reliability |
| Copy Services and Advanced Functions | 28% | - Thin provisioning and QoS - FlashCopy - Metro Mirror / Global Mirror - Encryption and security - z/OS specific copy services |
| Migration and Support | 10% | - Data migration strategies - Upgrade and compatibility - Support resources and documentation |
| Solution Design and Sizing | 26% | - TDA (Technical Delivery Assessment) process - Configuration and sizing - Requirements analysis - Disk Magic and Capacity Magic tools |
| Interoperability and Integration | 14% | - PowerHA and GDPS integration - VMware integration - Open systems and mainframe environments - Tivoli Storage Productivity Center |
IBM System Storage DS8000 Technical Solutions V3 Sample Questions:
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 one frame and 5% SSD drives
- C. Three fully-configured clustered Storwize V7000 systems
- D. DS8870 system with two frames
Correct Answer: D 🗳️
How many Tivoli Key Lifecycle Manager servers are required to implement encryption on the DS8000?
- A. 4
- B. 2
- C. 1
- D. 3
Correct Answer: B 🗳️
A potential D6881J0 customer asks the technical specialist if the D38800 systems provide a point in time copy solution where the FlashCopy volume can logically be pre-configured but no disk space is allocated as long as there are no updated tracks written.
Which D38800 FlashCopy method supports this customer's requirement?
- A. space efficient FlashCopy
- B. FlashCopy with N000PY option
- C. incrementalFlashCopy
- D. dataset FlashCopy
Correct Answer: A 🗳️
When I/O Priority Manager is enabled, each volume in a D38800 is assigned to a performance group at the time of the volume creation.
What action will the DS8800 take to ensure that the most important volumes as defined to I/O Priority Manager receive the highest level of system resources available?
- A. allocate additional cache for volumes with higher performance policies
- B. invoke Easy Tier for higher performance policy I/Os
- C. move volumes with higher performance policy I/Os to faster disks or SSDS
- D. delay I/Os with lower performance policies
Correct Answer: D 🗳️
In a DSSSOO controller which components are created during configuration of space-efficient (PTC-SE) storage in an extent pool?
- A. Source volume and target volume
- B. Background copy and target copy
- C. Virtual space and repository space
- D. Volume and virtual space
Correct Answer: C 🗳️
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