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IBM C4090-453 Exam Syllabus Topics:

IBM System Storage DS8000 Technical Solutions V3 Sample Questions:

1. 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) DS8870 supports the VAAI functionality required by this customer
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) VAAI is only a host function so any disk subsystem can be considered

2. Which of the following items would suggest that the use of space efficient FlashCopy for the Global Mirror secondary volume could present an issue?

A) There is a long distance between the primary and secondary sites
B) The customer is using Tivoli Storage Productivity Center for Replication to manage Global Mirror
C) There are multiple primary disk subsystems in the Global Mirror session
D) The workload has a large amount of heavy sequential write activity

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

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

5. How many Global Mirror sessions are supported on a single DSSSOO?

A) 1
B) 256
C) 32
D) 16

Solutions: