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IBM C4090-453 Exam Syllabus Topics:

IBM System Storage DS8000 Technical Solutions V3 Sample Questions:

1. What z/OS solution supported by the D68000 is designed to provide continuous availability in cases of disk subsystem failure?

A) zHPE
B) HyperSwap
C) HyperPAV
D) MIDAW

2. The exhibit represents a report from Capacity Magic. A customer wants to implement a mixed Open and System z environment. They will be using a combination of SSD, SAS and Nearline SAS drives. System z will require PAV. The NL-SAS drives will be used for FlashCopy targets for Open Systems and for Historical Report Data for z/OS. They wish to use Metro Mirror to replicate the Opens Systems production data to a remote site.

Which of the following best describes the minimum license requirements?

A) OEL = 258TB, MM = 141TB, FlashCopy = 141TB, PAV = 1 17TB, EICON = Yes
B) OEL = 258TB, MM = 258TB, FlashCopy = 258TB, PAV = 258TB, EICON = Yes
C) OEL = 258TB, MM = S7TB, FlashCopy = 87TB, PAV = 87TB, FICON = Yes
D) OEL = 173TB, MM = 87TB, FlashCopy = 48TB1 PAV = 87TB, FICON = Yes

3. A customer is planning to implement a new DS8000. They want to keep management of the DS8000 to a minimum. Which is the preferred method for allocating volumes to assist with this?

A) Rotate Volumes to allow volumes to fill ranks sequentially
B) Rotate Arrays to allow optimum placement of arrays in the DSS000
C) Rotate Ranks to allow random positioning of ranks across arrays
D) Rotate Extents to allow granular placement of extents across multiple ranks

4. 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 is 4 GB for all cache sizes up to 64 GB. and 16 GB for all overall cache sizes over 64 GB
B) NVS size can be adjusted according to customer demand using the CLI
C) NVS size is 1/32 scale (in minimum 1 GB) of the overall processor memory
D) NVS size is a part of the SARC algorithm and adapts automatically depending on the actual workload of the customer

5. A pre-sales TDA must be done for the sale of a new DS8870. Which document type should be used for documenting the review details?

A) The IBM System Storage High End Disk Technical and Delivery Assessment (TDA) Guide
B) No special document format is required for the review summary
C) The generic STG pre-sales TDA guide
D) The D58870 Technical and Delivery Assessment (TDA) Guide

Solutions: