IBM XIV Storage System Technical Solutions V4: C4090-456 Exam
"IBM XIV Storage System Technical Solutions V4", also known as C4090-456 exam, is a IBM Certification. With the complete collection of questions and answers, PrepAwayPDF has assembled to take you through 70 Q&As to your C4090-456 Exam preparation. In the C4090-456 exam resources, you will cover every field and category in IBM Certified Specialist Certification helping to ready you for your successful IBM Certification.
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IBM C4090-456 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Operations and Administration | 25% | - Day-to-day management
|
| Topic 2: Troubleshooting and Maintenance | 15% | - Problem determination
|
| Topic 3: XIV Architecture and Concepts | 25% | - Hardware components and system layout
|
| Topic 4: Data Protection and Replication | 15% | - Replication strategies
|
| Topic 5: Installation and Configuration | 20% | - Storage provisioning
|
IBM XIV Storage System Technical Solutions V4 Sample Questions:
A customer has legacy Windows 2003 servers to connect to an XIV. What software is required to be installed on the host?
- A. XIV VSS
- B. XIV HAK
- C. XIV Top
- D. XIV GUI
Correct Answer: B 🗳️
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 🗳️
Which of the following is a benefit of the XIV system's storage allocation methodology?
- A. all workloads are distributed throughout the system
- B. parityis protecting data across all modules
- C. storage pools are always allocated on separate physical disks
- D. one MB partitions ensure efficient cache utilization
Correct Answer: A 🗳️
How does the XIV system protect data arriving from hosts?
- A. data is written to a single module before acknowledgement to the host
- B. MPIO distributes a single I/O down multiple paths to different XIV modules
- C. all data is written to cache in two modules and then acknowledged to the host
- D. each module internally mirrors its cache to a special segment of memory
Correct Answer: C 🗳️
When does XIV Gen3 SSD caching significantly improve performance?
- A. for small block, sequential write I/O workloads
- B. for GPES random workloads
- C. for small block, random read I/O workloads
- D. for large block, sequential read I/O workloads
Correct Answer: C 🗳️
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