IBM 000-453 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 000-453
Exam Name/Title: IBM System Storage DS8000 Technical Solutions V3
Certification Provider: IBM
Corresponding Certification: IBM Certified Specialist

Exam Questions: 70
Updated On: Jun 02, 2026

Question #8

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. Native encryption

C. Support for SSDs

D. Support for native Fibre Channel connections

Discussion 0

Correct Answer: B Vote an answer

Question #9

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. 1 GB

C. 256 MB

D. 2 BG

Discussion 0

Correct Answer: B Vote an answer

Question #10

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

C. delay I/Os with lower performance policies

D. allocate additional cache for volumes with higher performance policies

Discussion 0

Correct Answer: C Vote an answer

Question #11

A potential DS8OIJO customer would like to understand the size of the non-volatile storage (NVS) as compared to the overall size of the DS8000 processor memory.
Which technical feedback to the customer is correct?

A. NVS size can be adjusted according to customer demand using the CLI

B. NVS size is 1/32 scale (in minimum 1 GB) of the overall processor memory

C. NVS size is 4 GB for all cache sizes up to 64 GB. and 16 GB for all overall cache sizes over 64 GB

D. NVS size is a part of the SARC algorithm and adapts automatically depending on the actual workload of the customer

Discussion 0

Correct Answer: B Vote an answer

Question #12

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

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

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

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

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

Discussion 0

Correct Answer: D Vote an answer

Question #13

What statement is correct regarding DS8870 Remote Pair FlashCopy?

A. DS8870 Remote Pair FlashCopy is a separate feature code, which must be included on the system order.

B. D38700 Remote PairFlashCopyis initiated using IP network links between the data centers.

C. Using DS8870 Remote PairFlashCopydoes not require any existing Metro Mirror license.

D. With DS8870 Remote Pair FlashCopy, the local FlashCopy target is a Metro Mirror source.

Discussion 0

Correct Answer: D Vote an answer

Question #14

Which of the following elements provides data integrity in the DS8000?

A. Subsystem Device Driver

B. Storage Pool Striping

C. I/O Priority Manager

D. Non-Volatile Storage

Discussion 0

Correct Answer: D Vote an answer

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