000-453 by IBM Valid Free Exam Practice Test

Question 1

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

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

Correct Answer: A

Question 2

A customer wants to collect performance data from a newly installed IBM System Storage DSS700 to determine if the system meets expected benchmarks using their application test data.
Which tool best gathers the performance data?

A. Tivoli Storage Resource Manager B. Tivoli Storage Productivity Center V5.1 C. Tivoli Storage Productivity Center for Data D. IBM DS Storage Manager

Correct Answer: B

Question 3

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 = S7TB, FlashCopy = 87TB, PAV = 87TB, FICON = Yes B. OEL = 258TB, MM = 258TB, FlashCopy = 258TB, PAV = 258TB, EICON = Yes C. OEL = 258TB, MM = 141TB, FlashCopy = 141TB, PAV = 1 17TB, EICON = Yes D. OEL = 173TB, MM = 87TB, FlashCopy = 48TB1 PAV = 87TB, FICON = Yes

Correct Answer: C

Question 4

A pre-sales TDA must be done for the sale of a new DS8870. Which document type should be used for documenting the review details?

A. No special document format is required for the review summary B. The IBM System Storage High End Disk Technical and Delivery Assessment (TDA) Guide C. The D58870 Technical and Delivery Assessment (TDA) Guide D. The generic STG pre-sales TDA guide

Correct Answer: C

Question 5

On the DS8870, which of the following drive options is a valid Easy Tier hybrid pool?

A. 7,200 RPM drives B. 15,000 RPM and 7,200 RPM drives C. SLO and eMLO SSDs D. eMLO SSDs and 5,400 RPM drives

Correct Answer: B

Question 6

A potential DS8870 customer knows that RAID 5 works much faster and is more capacity-efficient than RAID 6, but they fear for double disk failures due to high rebuild times at large disk sizes.
How should the technical specialist address this concern?

A. Explain RAID 6 is the only applicable solution. B. Discuss how additional hot spares can be configured per device adapter pair. C. Discuss the DSS000 Smart Rebuild function with the customer. D. Suggest configuring large storage pools with multiple RAID 5 arrays.

Correct Answer: C

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

Correct Answer: B

IBM System Storage DS8000 Technical Solutions V3 - 000-453 Exam Practice Test