IBM C4090-453

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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) MIDAW
C) HyperSwap
D) HyperPAV

2. A potential D68870 customer asks the technical specialist which extent size is used to relocate hot extents from normal SAS disk resources to SSDs because they want to understand IBM's adjustment compared to the other high end disk suppliers.
Which is the extent size used for DSS000 Easy Tier data relocation?

A) 2 BG
B) 8 GB
C) 1 GB
D) 256 MB

3. 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

4. When Global Mirror and the local disk subsystem fails it usually is not possible to recover because the subsystem stops responding. The SNMP then sends the alerts that indicate there is a problem.
What triggers the initial recovery actions?

A) The SNMP alerts are enough to trigger the recovery and then fix the problem
B) Once the SNMP alerts have been received the process will restart automatically
C) Total Storage Productivity Center for Data
D) The problem can be fixed manually once the SNMP alerts are spotted

5. When I/O Priority Manager is enabled, each volume in a D38800 is assigned to a performance group at the time of the volume creation.
What action will the DS8800 take to ensure that the most important volumes as defined to I/O Priority Manager receive the highest level of system resources available?

A) delay I/Os with lower performance policies
B) move volumes with higher performance policy I/Os to faster disks or SSDS
C) allocate additional cache for volumes with higher performance policies
D) invoke Easy Tier for higher performance policy I/Os

Solutions: