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IBM C4090-451 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: IBM Midrange Storage Architecture | - System architecture and components - IBM midrange storage product overview (e.g., Storwize / FlashSystem family) |
| Topic 2: Administration and Troubleshooting | - Fault diagnosis and problem resolution - Monitoring and performance management |
| Topic 3: Installation and Configuration | - Storage provisioning and volume management - Initial system setup and configuration |
| Topic 4: Storage Fundamentals | - Block storage vs file storage basics - Storage networking concepts (SAN, zoning, LUNs) |
IBM Midrange Storage Technical Support V3 Sample Questions:
1. A customer has a long standing environment on an AIX platform for an application which has 300 volumes assigned to it. The reason given by the customer for such a high number of volumes is to allow the application to spread its workload out across these devices because only 1 transaction per volume is allowed to be outstanding at any one time. The technical specialist is consolidating the environment to a smaller number of volumes on a Storwize V7000.
Assuming that the application will support the use of a smaller number of volumes, what adjustment can the technical specialist recommend to allow the number of outstanding I/O operations on each volume be increased to maintain performance?
A) LUN Masking
B) Storwize V7000 Compression
C) Adaptive Rate Limiting
D) Queue Depth
2. Which two pieces of device specific information are asked for when first opening a PMR by phone?
A) Model Number and Serial Number
B) Machine Type and Serial Number
C) Machine Type and Model Number
D) Serial Number and Manufacture Date
3. A customer is implementing new Disaster Recovery policies in their data centers located 1000 km apart. A very important requirement is to be able to configure RPO in a range from 5 minutes to hours.
What replication option can the customer use on their Storwize V7000?
A) Global Mirror
B) Metro Mirror
C) Global Mirror with Change Volumes
D) Volume Mirroring
4. Which statement best describes Information Lifecycle Management?
A) The application of policies and tools to align the business value of information with the most appropriate storage.
B) The automatic promotion or demotion of data across storage tiers based on performance analytics on access frequency.
C) The automatic placement of frequently used data in RAM or SSD-as-cache in the application access life cycle.
D) The rotation scheme of tape media to hold backup generations given the limited life cycle of tape cartridges.
5. A customer currently has an EMC block storage system using flash drives and wants to replace the EMC With an IBM solution that has similar automated features.
Which IBM midrange solution and feature should the technical specialist recommend?
A) Storwize V7000 Unified and Active Cloud Engine
B) SAN Volume Controller and Metro Mirror
C) Storwize V7000 and Easy Tier
D) DS3524 and Dynamic Disk Pooling
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: C |







