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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Architecture and Overview | 20% | - DS8000 hardware components and architecture - Storage hierarchy and cache management - Supported environments: Open Systems and System z - RAS features and reliability |
| Topic 2: Planning and Sizing | 25% | - TDA process and interoperability validation - RAID types and drive selection - Requirements analysis and solution design - Sizing tools: Disk Magic, Capacity Magic |
| Topic 3: Configuration and Management | 15% | - DS Storage Manager GUI and DS CLI - Migration strategies and upgrades - License models and feature activation |
| Topic 4: Troubleshooting and Support | 10% | - Monitoring and problem determination - IBM support resources and documentation |
| Topic 5: Advanced Functions and Copy Services | 30% | - z/OS specific functions: PAV, zHPF, Hyperswap - Easy Tier, thin provisioning, encryption - FlashCopy, Metro Mirror, Global Mirror - Integration with VMware, GDPS, PowerHA |
Question 1
A potential DS8OIJO customer would like to understand the size of the non-volatile storage (NVS) as compared to the overall size of the DS8000 processor memory.
Which technical feedback to the customer is correct?
A. NVS size can be adjusted according to customer demand using the CLI
B. NVS size is 1/32 scale (in minimum 1 GB) of the overall processor memory
C. NVS size is 4 GB for all cache sizes up to 64 GB. and 16 GB for all overall cache sizes over 64 GB
D. NVS size is a part of the SARC algorithm and adapts automatically depending on the actual workload of the customer
Question 2
When configuring LUNs for IBM i which is not using VIOS, which of the following is true?
A. LUNs have 512 byte sectors and must match the size of internal drives.
B. LUNs have 520 byte sectors and are limited to 2 TB.
C. LUNs have 512 byte sectors and are limited to 2 TB.
D. LUNs have 520 byte sectors and must match the size of internal drives.
Question 3
A customer has submitted an REP for which a DS8870 is the preferred solution to support their VMware environment. They require support for VAAI Extended Copy.
What should the technical specialist advise this customer?
A. A DS8870 with FlashCopy should be proposed
B. DS8870 supports the VAAI functionality required by this customer
C. A SAN Volume Controller must be proposed along with the DS8870 to provide VAAI support
D. VAAI is only a host function so any disk subsystem can be considered
Question 4
A customer has a DS8000 with 100 TB raw capacity' installed and running in their data center. All storage is for open systems workloads. There is 30 TB of unused capacity'. There are no Advanced Functions installed, but after a presentation from the Business Partner they are interested in using FlashCopy to help reduce their overnight batch window.
How can this function be tested in compliance with the DS8000 licensing rules?
A. Use the DSEA website to request a temporary' license
B. AFlashCopylicense for 30 TB is needed
C. A FlashCopy license for 100 TB is needed
D. All Advanced Function software is loaded so it can be used in test mode for 45 days
Question 5
A potential D6881J0 customer asks the technical specialist if the D38800 systems provide a point in time copy solution where the FlashCopy volume can logically be pre-configured but no disk space is allocated as long as there are no updated tracks written.
Which D38800 FlashCopy method supports this customer's requirement?
A. incrementalFlashCopy
B. space efficient FlashCopy
C. FlashCopy with N000PY option
D. dataset FlashCopy
Solutions:
| Question 1 Answer: B | Question 2 Answer: D | Question 3 Answer: B | Question 4 Answer: C | Question 5 Answer: B |
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