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IBM C4090-456 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Installation and Configuration | - Storage provisioning and volume configuration - Initial system setup and deployment |
| Data Protection and Replication | - Remote mirroring and replication concepts - Snapshot and copy services |
| Troubleshooting and Maintenance | - Firmware and system updates - Common system issues and resolution |
| Monitoring and Performance | - Performance tuning and optimization - System monitoring and alerts |
| IBM XIV Storage System Architecture | - Grid architecture and scalability concepts - XIV system components and design principles |
| Administration and Management | - User and access management - GUI and CLI management tools |
IBM XIV Storage System Technical Solutions V4 Sample Questions:
Where is the XIV VSS Provider software installed?
- A. as a plug-in to the XIV GUI
- B. on servers or VMs connected to the XIV system
- C. on the XIV maintenance module
- D. on the interface modules of the XIV system
Correct Answer: B 🗳️
On a thin-provisioned pool the size of the volume is limited by:
- A. the hard capacity of the volume
- B. the hard capacity of the storage pool
- C. the hardcapacityof the XIV
- D. the soft capacity of the storage pool
Correct Answer: D 🗳️
On XIV what factors are important to successfully implement asynchronous mirroring?
- A. latency between the remote and local XIV, number of volumes must be less than 256
- B. data change rate, number of volumes less than 256, required RPO
- C. data change rate, available bandwidth and interval
- D. each mirror must have the same RPO and sync interval within the same storage pool
Correct Answer: C 🗳️
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. Present volumes to the SVC using iSCSl. Mirror the volumes onto the newly-presented XIV storage.
- D. Presentvolumestothe SVC using SAS. Mirrorthe volumes onto the newly-presented XIV storage.
Correct Answer: A 🗳️
How does IBM XIV SSD technology provide longer life over competitors' use of SSD technology?
- A. common off-the-shelf components minimize the use of SSDs for write environments
- B. IBM SSDs are filled with write blocks of 1024kb in random I/O operations
- C. patented wear-leveling algorithm designed for SSD longevity
- D. hybrid algorithms combine features of SSDswith existing HDDsin the same unit
Correct Answer: C 🗳️
