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Updated: Aug 20, 2026
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IBM C4090-453 Exam Overview:
| Certification Vendor: | IBM |
| Exam Name: | IBM System Storage DS8000 Technical Solutions V3 |
| Exam Number: | 000-453 |
| Exam Format: | Multiple choice |
| Available Languages: | English |
| Recommended Training: | IBM Training - Storage DS8000 Courses |
| Exam Registration: | IBM Certification Portal |
| Sample Questions: | IBM C4090-453 Sample Questions |
| Exam Way: | Proctored exam (online or test center, depending on region) |
| Pre Condition: | Recommended prior experience with enterprise storage systems and IBM DS8000 environments. |
| Official Syllabus URL: | https://www.ibm.com/training/certification |
IBM C4090-453 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Installation and Configuration | - Initial setup
|
| Topic 2: Copy Services and Data Replication | - Data protection
|
| Topic 3: DS8000 Architecture and Concepts | - System architecture overview
|
| Topic 4: Administration and Monitoring | - Performance monitoring
|
| Topic 5: Problem Determination and Maintenance | - Troubleshooting
|
IBM System Storage DS8000 Technical Solutions V3 Sample Questions:
1. Which statement is true of the Easy Tier feature on DS8000?
A) It is a priced feature by terabytes used.
B) It handles data in 256 MB chunks.
C) It will operate in a homogeneous pool.
D) It requires SSDs to be added to a heterogeneous pool to operate.
2. Which of the following elements provides data integrity in the DS8000?
A) Non-Volatile Storage
B) Subsystem Device Driver
C) Storage Pool Striping
D) I/O Priority Manager
3. As the result of a performance sizing a D38870 system configuration must include 96 x 600 GB 10000 rpm SAS drives, and only 32 GB cache.
Which DS8870 system version should to be offered?
A) DS8870 enterprise class configuration including 2 core processors
B) DS8870 enterprise class configuration including 4 core processors
C) DS8870 business class configuration including 2 core processors
D) DS8870 business class configuration including 4 core processors
4. 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) Explain RAID 6 is the only applicable solution.
B) Discuss the DSS000 Smart Rebuild function with the customer.
C) Suggest configuring large storage pools with multiple RAID 5 arrays.
D) Discuss how additional hot spares can be configured per device adapter pair.
5. A customer has recently decommissioned their DS8700 wants to use the same data center floor space for a new D38 870.
What is an important fact for the technical specialist to discuss with the customer as it relates to data center requirements?
A) Air circulation in the DS8870 has changed and flows back to front so cooling vent locations will need to be adjusted.
B) The rack dimensions on the DS8870 are larger than the D38700 so more floor space will be needed.
C) The DS8870 uses a different power connector than the D68700 so new cords will need to be supplied.
D) The DS8870 uses more power than the DS8700 so more power cords will need to be ordered.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: B | Question # 5 Answer: C |
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