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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 |
| Available Languages: | English |
| Sample Questions: | IBM C4090-456 Sample Questions |
IBM C4090-456 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: IBM XIV Storage System Architecture | - Grid architecture and data distribution concepts - XIV system components and design principles |
| Topic 2: Installation and Configuration | - Host connectivity and storage provisioning - Initial system setup and deployment |
| Topic 3: Troubleshooting and Maintenance | - Common system issues and diagnostics - Firmware updates and system maintenance procedures |
| Topic 4: Data Protection and High Availability | - Failure handling and redundancy mechanisms - Snapshot and replication concepts |
| Topic 5: Administration and Management | - Storage pool and volume management - Monitoring and performance management |
IBM XIV Storage System Technical Solutions V4 Sample Questions:
Which of the following is a benefit of the XIV system's hardware architecture?
- A. SAS bus interface allows the use of industry standard Enhanced IDE drives
- B. mirrored interface modules provide increased data throughput
- C. InfiniBand connectivity between XIV systems for extended distance mirroring
- D. data distributed across all hard drives improves system throughput
Correct Answer: D 🗳️
On an XIV system, how can a thin provisioned volume be changed to a regular provisioned volume?
- A. in the XCLI, use the command pool_change_config on the pool containing the volume
- B. in the XCLI, use the command vol_resize on the volume
- C. in the GUI, right mouse click on the volume and move itto a regular pool
- D. in the GUI, right mouse click on the volume and select"regular provision"
Correct Answer: C 🗳️
What is a benefit of the XIV system's grid-based architecture?
- A. any module can act as an interface module
- B. differentcapacitydrives can be mixed within the system but not in the same module
- C. SSDs must be installed in the interface modules only
- D. each module contains processing, caching and storage
Correct Answer: D 🗳️
A customer demands NES and block access to their storage solution, but is also interested in XIV technology. The customer wants to have easy administration for both NES and block. They would also like to combine the solution with an IBM HSM solution. The initial need for storage is 500 TB and grows by 500 TB every five months.
What would be the best solution for this customer?
- A. AIX with the XIV connected to it
- B. N series gateway with XIV as back-end storage
- C. SVC with the XIV connected to it
- D. SONAS gateway with XIV as back-end storage
Correct Answer: D 🗳️
An XIV snapshot is taken daily from the same volume and kept for one week.
If it is Friday and the system is restored from a snapshot taken on Tuesday, why is it possible to return to a snapshot taken on Thursday?
- A. because the deletion priorityis set correctly
- B. because there is sufficient space in the snapshot reserve
- C. because snapshots were all converted to full copy
- D. because there are no dependencies between subsequent snapshots
Correct Answer: D 🗳️
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