C4090-453 by IBM Actual Free Exam Questions And Answers

Question 1

The exhibit represents a report from Capacity Magic. A customer wants to implement a mixed Open and System z environment. They will be using a combination of SSD, SAS and Nearline SAS drives. System z will require PAV. The NL-SAS drives will be used for FlashCopy targets for Open Systems and for Historical Report Data for z/OS. They wish to use Metro Mirror to replicate the Opens Systems production data to a remote site.

Which of the following best describes the minimum license requirements?

A. OEL = 258TB, MM = 258TB, FlashCopy = 258TB, PAV = 258TB, EICON = Yes

B. OEL = 173TB, MM = 87TB, FlashCopy = 48TB1 PAV = 87TB, FICON = Yes

C. OEL = 258TB, MM = S7TB, FlashCopy = 87TB, PAV = 87TB, FICON = Yes

D. OEL = 258TB, MM = 141TB, FlashCopy = 141TB, PAV = 1 17TB, EICON = Yes

Discussion 0

Correct Answer: D Vote an answer

Question 2

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. FlashCopy with N000PY option

B. incrementalFlashCopy

C. dataset FlashCopy

D. space efficient FlashCopy

Discussion 0

Correct Answer: D Vote an answer

Question 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. move volumes with higher performance policy I/Os to faster disks or SSDS

B. invoke Easy Tier for higher performance policy I/Os

C. allocate additional cache for volumes with higher performance policies

D. delay I/Os with lower performance policies

Discussion 0

Correct Answer: D Vote an answer

Question 4

If a customer experiences significant technical issues with an installed DS8000 system, which action should be taken immediately to report them?

A. The responsible IBM Customer Service Representative needs to open a problem record

B. IBM automatically opens an internal problem record based on the Call Home messages

C. Contact the responsible IBM sales representative who must handle all related communications

D. The customer needs to open a problem management request (PMR)

Discussion 0

Correct Answer: D Vote an answer

Question 5

As the result of a performance sizing a D38870 system configuration must include 96 x 600 GB 10000 rpm SAS drives, and only 32 GB cache.
Which DS8870 system version should to be offered?

A. DS8870 business class configuration including 4 core processors

B. DS8870 enterprise class configuration including 2 core processors

C. DS8870 enterprise class configuration including 4 core processors

D. DS8870 business class configuration including 2 core processors

Discussion 0

Correct Answer: D Vote an answer

Question 6

Which of the following is true regarding Extent Pools on a D38000?

A. A Fixed Block LUN can have extents from separate ranks within the same Extent Pool.

B. A Count Key Data Volume cannot have extents from separate ranks within the same Extent Pool.

C. A Fixed Block LUN can span multiple Extent Pools.

D. A Count Key Data Volume can span multiple Extent Pools.

Discussion 0

Correct Answer: A Vote an answer

Question 7

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 Volumes to allow volumes to fill ranks sequentially

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

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

D. Rotate Arrays to allow optimum placement of arrays in the DSS000

Discussion 0

Correct Answer: B Vote an answer

IBM System Storage DS8000 Technical Solutions V3 - C4090-453 Exam Practice Test

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