最新的IBM C4090-453免費考試真題

問題1

What is the purpose of the Power Line Disturbance feature in a D38000?

A. It is required to retain data on SSDs in the event of a power failure

B. It keeps the disks spinning for up to one hour when there is a power failure

C. It removes the need for an external generator in case of power failure

D. It increases the time before the DS8000 automatically shuts down in the event of a power failure

正確答案: D

問題2

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

A. It can interface with VMware VAAI primitives to improve performance

B. It allocates cache on 4K boundaries to improve performance

C. It can be more granular on z/OS than any other operating system

D. It needs at least two tiers of disks to work

正確答案: C

問題3

Which of the following statements about remote replication on the D38000 is true?

A. Metro/Global Mirror can only be used for z/OS data

B. Global Mirror has a maximum of 256 volumes

C. Metro Mirror's longest supported distance is 100 kilometers

D. Global Copy does not provide consistency

正確答案: D

問題4

A customer would like to implement an enterprise solution and needs 200 TB usable capacity on a write intensive workload.
They are convinced that 600 GB drives are the optimum size for their business applications.
Very limited space is available for additional systems in their data center.
Which solution best meets this requirement?

A. DS8870 system with two frames

B. Three fully-configured clustered Storwize V7000 systems

C. DS8870 system with one frame and 5% SSD drives

D. XIV Gen3 system with 13 modules

正確答案: A

問題5

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. 8 GB

B. 256 MB

C. 2 BG

D. 1 GB

正確答案: D

問題6

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 Volumes to allow volumes to fill ranks sequentially

C. Rotate Extents to allow granular placement of extents across multiple ranks

D. Rotate Ranks to allow random positioning of ranks across arrays

正確答案: C

問題7

Which function is unique to the DS8000 within the following IBM disk storage products: DS8000, XIV, Storwize V7000?

A. Support for large form factor drives

B. Support for native Fibre Channel connections

C. Native encryption

D. Support for SSDs

正確答案: C

最新的IBM System Storage DS8000 Technical Solutions V3 - C4090-453免費考試真題

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