C4090-453問題集、IBM実際の試験問題

質問 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 increases the time before the DS8000 automatically shuts down in the event of a power failure

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

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

正解: B

質問 2

A customer has a mission-critical application with redundant fabrics. The customer plans to replace older EMC system with a DS8870 and a SAN Volume Controller (SVC).
Which statement best describes the impact of data migration on the production environment?

A. The production environment requires an outage to install the SVC.

B. The production environment does not require an outage.

C. The production environment requires an outage to install the D58870.

D. The production environment requires an outage to remove the EMC systems.

正解: A

質問 3

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

A. Support for SSDs

B. Native encryption

C. Support for native Fibre Channel connections

D. Support for large form factor drives

正解: B

質問 4

The installation of a DSS000 cannot be performed by the Customer Engineer until the Customization and Configuration Worksheets have been completed.
In which document are these worksheets found?

A. Pre-Sales Technical and Delivery Assessment (TDA)

B. DS8000 Configuration and Options Guide

C. DS8000 Introduction and Planning Guide

D. DS8000 Architecture and Implementation Redbook

正解: C

質問 5

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

A. Non-Volatile Storage

B. Storage Pool Striping

C. I/O Priority Manager

D. Subsystem Device Driver

正解: A

質問 6

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

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

B. It can interface with VMware VAAI primitives 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

正解: C

質問 7

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

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

B. Global Copy does not provide consistency

C. Global Mirror has a maximum of 256 volumes

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

正解: B

IBM System Storage DS8000 Technical Solutions V3 - C4090-453 模擬練習