IBM IBM Certified Specialist 000-453

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IBM 000-453 Exam Syllabus Topics:

IBM System Storage DS8000 Technical Solutions V3 Sample Questions:

1. Which statement about I/O Priority Manager on the DS8000 is true?

A) It allocates cache on 4K boundaries to improve performance
B) It can be more granular on z/OS than any other operating system
C) It needs at least two tiers of disks to work
D) It can interface with VMware VAAI primitives to improve performance

2. The customer requires a point-in-time copy solution on a DS8000. Which of the following statements is true?

A) The source and target volumes are totally independent and can be on any drives.
B) The source and target volumes must be on different drivesets.
C) The source and target volumes must be on drives with the same capacity and speed.
D) The source and target volumes must be on different drivesets only if a background copy is being used.

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

4. 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) VAAI is only a host function so any disk subsystem can be considered
B) A SAN Volume Controller must be proposed along with the DS8870 to provide VAAI support
C) A DS8870 with FlashCopy should be proposed
D) DS8870 supports the VAAI functionality required by this customer

5. The DS CLI can be invoked in which three modes?
1.Single-shot command mode
2.Interactive command mode
3.Script command mode
4.Background command mode

A) 1, 2, 3
B) 2, 3, 4
C) 1, 2, 4
D) 1, 3, 4

Solutions: