Try IBM : C4090-456 valid & accurate questions and answers
Updated: Aug 02, 2026
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IBM C4090-456 Exam Overview:
| Certification Vendor: | IBM |
| Exam Name: | IBM XIV Storage System Technical Solutions V4 |
| Exam Number: | 000-456 / C4090-456 |
| Real Exam Qty: | 60-70 |
| Available Languages: | English |
| Exam Price: | $200 USD |
| Certificate Validity Period: | 2 years |
| Passing Score: | 65% |
| Exam Format: | Multiple choice, Multiple select |
| Exam Duration: | 90 minutes |
| Recommended Training: | IBM XIV Storage System Technical Training |
| Exam Registration: | IBM Certification Registration Prometric Testing |
| Sample Questions: | IBM C4090-456 Sample Questions |
| Exam Way: | Proctored onsite at Prometric test centers |
| Pre Condition: | No formal prerequisites recommended; storage experience helpful |
| Official Syllabus URL: | https://www.ibm.com/training/certification |
IBM C4090-456 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: XIV Storage System Overview and Architecture | 17% | - Business value and competitive advantages - Grid-based architecture and design principles - System components and hardware models |
| Topic 2: Provisioning and Management | 18% | - Storage pools and thin provisioning - Capacity on Demand (CoD) - Volume management and snapshots - GUI and XCLI administration |
| Topic 3: Interoperability and Virtualization Integration | 17% | - VMware integration including VAAI - Multipathing and host connectivity - Microsoft VSS and Hyper-V support - SAN Volume Controller (SVC) integration |
| Topic 4: Data Protection and Replication | 15% | - Consistency groups and snapshots - Synchronous and asynchronous mirroring - Disaster recovery concepts |
| Topic 5: Performance and Troubleshooting | 12% | - Monitoring and optimization - Performance characteristics - Basic troubleshooting procedures |
| Topic 6: Installation and Planning | 21% | - Capacity planning and configuration - Technical Delivery Assessment (TDA) - Environmental and site requirements |
IBM XIV Storage System Technical Solutions V4 Sample Questions:
1. Which XIV system feature simplifies creation of the XIV volume?
A) storage pools
B) SSD caching
C) data distribution algorithms
D) thin provisioning
2. How does the data migration feature enable the smooth transition of a host to an XIV system?
A) By connecting the host to the XIV, which then provides access to the data on the legacy storage system while transparently copying the data across in the background.
B) By deploying an XIV unique implementation of VMware's Storage vMotion that has been engineered to support Linux and Microsoft hosts natively.
C) By enabling everyXIV PC portto be both target and initiator so that host requests are received bythe XIV and retransmitted to the legacy storage system simultaneously.
D) By using the XIV Host Attachment Kit (HAK) migration software to send concurrent writes to the legacy storage system and the IBM XIV simultaneously, while copying the older data across in the background.
3. What minimum information is required when creating a volume on an XIV system?
A) capacity, RAID level, disk group
B) Quality of Service, consistency group, volume name
C) drive type, disktier, capacity
D) capacity, storage pool, volume name
4. 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 SVC using iSCSl. Mirror the volumes onto the newly-presented XIV storage.
B) Presentvolumestothe SVC using SAS. Mirrorthe volumes onto the newly-presented XIV storage.
C) Present volumes to the XIV using SAS. Migrate the volumes to XIV using the availablecapacitythen to the SV
D) Present volumes to the XIV using iSCSl. Migrate the volumes to XIV using the availablecapacitythen to the SVC.
5. On a thin-provisioned pool the size of the volume is limited by:
A) the soft capacity of the storage pool
B) the hard capacity of the volume
C) the hardcapacityof the XIV
D) the hard capacity of the storage pool
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: A |
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