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Updated: Aug 29, 2026
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IBM 000-456 Exam Overview:
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM XIV Storage System Technical Solutions V4 |
| Exam Number: | C4090-456 |
| Available Languages: | English |
| Exam Format: | Multiple choice, Scenario-based questions, Single answer |
| Passing Score: | 66% |
| Exam Duration: | 90 minutes |
| Related Certifications: | IBM Storage Certification IBM Certified Specialist - Storage Solutions |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 50-60 |
| Sample Questions: | IBM 000-456 Sample Questions |
| Exam Way: | Online proctored or authorized test center |
| Pre Condition: | Recommended prior experience with IBM storage systems and basic storage networking concepts. |
| Official Syllabus URL: | https://www.ibm.com/training/certification |
IBM 000-456 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Troubleshooting and Maintenance | 15% | - Problem determination
|
| Data Protection and Replication | 15% | - Replication strategies
|
| XIV Architecture and Concepts | 25% | - Hardware components and system layout
|
| Installation and Configuration | 20% | - Initial setup and deployment
|
| Operations and Administration | 25% | - User and access management
|
IBM XIV Storage System Technical Solutions V4 Sample Questions:
Question 1
A storage administrator wishes to migrate a legacy storage controller's volumes to a SAN Volume Controller. The controller can provide SAS or iSCSI host connections only. An XIV is virtualized by the SVC and has been upgraded from six modules to nine to assist with the migration project. The additional storage is yet to be presented to the SVC.
What would be the best method to transfer the data?
A. Present volumes to the XIV using iSCSl. Migrate the volumes to XIV using the availablecapacitythen to the SVC.
B. Present volumes to the XIV using SAS. Migrate the volumes to XIV using the availablecapacitythen to the SV
C. Presentvolumestothe SVC using SAS. Mirrorthe volumes onto the newly-presented XIV storage.
D. Present volumes to the SVC using iSCSl. Mirror the volumes onto the newly-presented XIV storage.
Question 2
How much space will an XIV snapshot allocate from the pool's snapshot reserve when its created?
A. 17GBpersnapshot
B. 17GB pervolume
C. 17GBperpool
D. 0 GB per snapshot
Question 3
A customer wants to know how much capacity has been consumed against the Capacity on Demand entitlement on their XIV system.
How would the technical specialist determine the capacity consumed?
A. running the XCLI command cod_list
B. looking at the soft consumed capacity in the bottom left corner of the XIV GUI
C. running the XCLI command vol_list and summing the Used Capacity column
D. running the XCLI command system_capacity_list
Question 4
On XIV what factors are important to successfully implement asynchronous mirroring?
A. data change rate, number of volumes less than 256, required RPO
B. each mirror must have the same RPO and sync interval within the same storage pool
C. data change rate, available bandwidth and interval
D. latency between the remote and local XIV, number of volumes must be less than 256
Question 5
A customer wants to know if a Solaris 9 with DMP 5.1 can be used in a configuration with a QLogic HBA. Where would this information be found?
A. IBM XIV InfoCenter
B. IBM System Storage Interoperation Center
C. IBM XIV Architecture, Implementation and Usage Redbook
D. Raise an RPQ to clarify support
Solutions:
| Question 1 Answer: A | Question 2 Answer: D | Question 3 Answer: A | Question 4 Answer: C | Question 5 Answer: B |
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