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IBM 000-453 Exam Syllabus Topics:

IBM System Storage DS8000 Technical Solutions V3 Sample Questions:

1. 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) space efficient FlashCopy
B) incrementalFlashCopy
C) FlashCopy with N000PY option
D) dataset FlashCopy

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

3. A customer wants to place some HDDs in a DS8870. The customer also wants to enable Easy Tier with SSD for all HDDs, but wants to minimize the amount of SSDs purchased.
Which option would be valid?

A) SDDs come in full drive sets (16 drives). Purchasing a single full drive set, if configured properly, would enable all the HDDs to be in an Easy Tier pool at the lowest cost.
B) IBM never recommends less than 50% of the configured drives be SSD, so the customer should match the number of HDDs with the same number of SSDs.
C) IBM recommends a 2:1 ratio of HDDs to SSDs, so the customer should purchase half the number of SSDs compared to the number of HDDs purchased.
D) SSDs come in half drive sets (8 drives). Purchasing a single half drive set, if configured properly, would enable all the HDDs to be in an Easy Tier pool at the lowest cost.

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

5. A customer requires an infrastructure to support disaster recovery of critical applications between two remote data centers. One data center is in Tokyo and one is in Beijing. The customer's Recovery Point Objective (RPO) requires a six-hour window for a bandwidth of 100 MB/s and a new storage system for a total of 4 TB of data. They estimate 100 MB of new data produced hourly.
What data synchronization method would be recommended to meet the requirements?

A) Metro Mirror
B) Global Mirror
C) FlashCopy
D) Snapshot

Solutions: