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IBM C4090-958 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Evaluate and Establish Customer Environment and Plans | 37% | - Understand storage architecture and terminology - Analyze current customer environment and requirements - Assess business continuity and disaster recovery needs - Identify scalability and optimization opportunities |
| Topic 2: Installation and Post-Installation Support | 6% | - Verification and validation procedures - Hardware installation and configuration - Remote support and ongoing maintenance |
| Topic 3: Migration Considerations and Installation Planning | 12% | - Pre-installation assessment and planning - Capacity and performance planning - Migration strategies and risk management |
| Topic 4: Apply Product Information | 45% | - Storage technologies: SAN, virtualization, compression, deduplication - Software solutions: Tivoli Storage Manager, storage cloud integration - Competitive analysis and positioning - IBM disk storage systems: DS8000, XIV, Storwize, N series - IBM tape storage systems: TS3500, TS7700, ProtecTIER |
IBM Enterprise Storage Technical Support V3 Sample Questions:
1. What happens when XIV with SSD caching installed suffers an SSD failure?
A) SSD caching is disabled on all modules.
B) The degraded module reads from its DRAM cache and disk, and all small read misses are redirected to the secondaries.
C) SSD caching continues, but is unbalanced as one module has no SSD cache.
D) The complete module with the failed SSD cache is taken off-line.
2. What will happen if a customer refuses to install a Customer-Replaceable Unit (CRU)?
A) IBM will dispatch a Service Support Representative to replace the CRU part at no charge
B) IBM will not send the part
C) the customer will be billed to have IBM replace the CRU part
D) the Remote Support Center will void the system warranty
3. A customer has recently installed a SONAS system and now wants to set up backups to the virtual tape library (VTL) using their existing Symantec NetBackup data management application. The server running the NetBackup application has 1 GE connectivity, while a different server with 10 GE connectivity is used as the NDMP tape server.
Which options offers the least impact on the customer's current infrastructure?
A) Configure a three-way SONAS NDMP implementation
B) Connect the SONAS directly to the VTL's fibre channel ports
C) Install a dedicated 8 Gbps fiber channel switch for connectivity
D) Set up a remote SONAS NDMP configuration
4. A customer is searching for high-end NAS products in the market looking for compression capability and is comparing N7950T to EMC VNX.
Which key difference should the technical specialist highlight to the customer?
A) N7950T compresses data inline.
B) Only VNX deduplicates data.
C) Both N7950T and EMC VNX compress data inline.
D) N7950T needs extra space for compression.
5. A large multi-site company is considering the purchase of a DS8000 system and would like to build a Virtual Desktop Infrastructure for approximately 400 users. Cost is a concern.
What should the technical specialist propose to help avoid performance problems during peak times?
A) Adding an IBM FlashSystem 810
B) SSD drives with Easy Tier
C) FlashCopy
D) Thin Provisioning
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: D |


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