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Updated: Sep 01, 2026
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IBM C4090-456 Exam Overview:
| Certification Vendor: | IBM |
|---|---|
| Exam Name: | IBM XIV Storage System Technical Solutions V4 |
| Exam Number: | C4090-456 |
| Certificate Validity Period: | 3 years |
| Available Languages: | English |
| Passing Score: | 65% |
| Exam Price: | USD 200-300 |
| Related Certifications: | IBM Certified Storage Specialist |
| Real Exam Qty: | 69-70 |
| Exam Format: | Multiple Choice |
| Exam Duration: | 105 minutes |
| Recommended Training: | IBM XIV Storage System Technical Solutions Redbooks IBM XIV Knowledge Center |
| Exam Registration: | IBM Certification Site Pearson VUE Registration |
| Sample Questions: | IBM C4090-456 Sample Questions |
| Exam Way: | Proctored onsite test at Pearson VUE / Prometric centers |
| Pre Condition: | Basic knowledge of storage systems, SAN, and IBM storage portfolio; no mandatory prerequisites |
| Official Syllabus URL: | https://www.ibm.com/certify/exams/c4090456 |
IBM C4090-456 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Interoperability & Migration | 10% | - Virtualization integration - Data migration methods - Host connectivity |
| XIV Hardware Architecture | 25% | - System components and modules - Reliability and serviceability - Gen1 / Gen2 / Gen3 differences |
| XIV Storage System Overview | 20% | - Competitive advantages - Architecture and business value |
| Capacity & Performance Design | 15% | - Capacity on Demand - Performance optimization - Workload sizing and best practices |
| XIV Software & Features | 30% | - Remote mirroring (sync/async) - GUI and CLI management - Thin provisioning - Snapshots and consistency groups |
IBM XIV Storage System Technical Solutions V4 Sample Questions:
Question 1
During data migration from a legacy storage system to the XIV system, there are eight hosts accessing eight separate volumes.
What is the maximum number of volume migrations allowed in the background while the eight hosts are actively running?
A. 4perdefinedtarget
B. 8perdefinedtarget
C. 2perdefinedtarget
D. 1per defined target
Question 2
The XIV Gen3 module interconnect implements which technology?
A. iSOSI
B. PC
C. SAS2JJ
D. InfiniBand
Question 3
For optimum redundancy, how many paths between the host and a 15 module XIV should be configured for each LUN?
A. 2 paths
B. 12 paths
C. 4 paths
D. 6 paths
Question 4
Which two of the following IBM products assure online data migration? (Select two)
A. SAN Volume Controller
B. DS8870
C. XIV Storage System
D. FlashSystems
E. DS5000series
Question 5
When considering total cost of ownership what is a benefit of IBM XIV system?
A. eliminates human error during administration
B. eliminates any down time during the implementation
C. bundles all features in the main license so there are no hidden +- costs
D. gives the option to license only the required number of hosts
Solutions:
| Question 1 Answer: D | Question 2 Answer: D | Question 3 Answer: D | Question 4 Answer: A,C | Question 5 Answer: C |
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