Exam Name: IBM XIV Storage System Technical Solutions V4
Certification Provider: IBM
Corresponding Certification: IBM Certified Specialist
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IBM C4090-456 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Protection and High Availability | - Snapshot and replication concepts - Failure handling and redundancy mechanisms |
| Topic 2: IBM XIV Storage System Architecture | - XIV system components and design principles - Grid architecture and data distribution concepts |
| Topic 3: Installation and Configuration | - Initial system setup and deployment - Host connectivity and storage provisioning |
| Topic 4: Troubleshooting and Maintenance | - Common system issues and diagnostics - Firmware updates and system maintenance procedures |
| Topic 5: Administration and Management | - Monitoring and performance management - Storage pool and volume management |
IBM XIV Storage System Technical Solutions V4 Sample Questions:
Which XIV system feature increases the level of reliability of the system?
- A. solid state drives
- B. protected cache
- C. snapshots
- D. Quality of Service
A TELCO customer has an application that generates intensive small block random reads. The customer installed one XIV Gen3 system and is dissatisfied with this choice. They have enough performance on writes and sufficient capacity.
In order to consolidate more applications what should the technical specialist advise?
- A. request IBM to change the nearline SAS drives with SAS 10k drives
- B. use external storage with FC drives and virtualize it under XIV
- C. order an extra frame with SAS 15k drives
- D. orderthe SSD option and use itin conjunction with Q0S
What is a benefit to IBM's XIV SSD transparent read cache?
- A. SSD drives add usablecapacitywithout user intervention
- B. real-time cache algorithm; not policy-based
- C. performance improvement in sequential reads
- D. SSD read cache is a separate tier
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 GUI, right mouse click on the volume and move itto a regular pool
- C. in the XCLI, use the command vol_resize on the volume
- D. in the GUI, right mouse click on the volume and select"regular provision"
PowerVM is a requirement for XIV host attach to which of the following operating systems?
- A. VMware
- B. LinuxonSystemz
- C. AIX
- D. IBMi
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