C9020-563 무료 덤프문제 온라인 액세스

What is a competitive advantage of IBM DS8880 Global Mirror versus EMC asynchronous remote replication?

• A.No requirement for additional cache
• B.No need for additional software to mix mainframe and open volumes in a single consistency group
• C.No need to implement external time source
• D.No requirement for host software to manage consistency groups

What is defined as non-volatile storage in an IBM DS8886 controller?

• A.I/O adapter card cache
• B.Mirrored cache memory modules
• C.Controller metadata storage
• D.Cache that preserves write data

A customer is building a new disaster recovery center and requires that the performance of the applications after a recovery at the secondary site maintains the performance of the primary site.
Which IBM storage product and feature will support the customer's requirements?

• A.IBM Spectrum Virtualize stretch cluster configuration
• B.IBM DS8886 with HyperSwap
• C.IBM DS8886 with Remote Pair FlashCopy
• D.IBM DS8886 with Easy Tier Heat Map Transfer

A customer is migrating to an IBM DS8886 to replace a competitive EMC VMAX. The customer requires maximizing performance without special tuning and is concerned about reducing hot spots in arrays.
What IBM DS8886 feature addresses this requirement?

• A.Storage Pool Striping (rotate extents)
• B.I/O Priority Manager
• C.16 Gbps FC/FICON host adapters
• D.Adaptive Multi-stream Prefetching caching algorithm

Which statement is true about the XIV model 314 and the DS8886?

• A.Neither the DS8886 nor the XIV rack can be expanded.
• B.The DS8886 rack can be expanded, but the XIV rack cannot be expanded.
• C.Both the XIV and the DS8886 can be ordered for a customer supplied rack.
• D.Both the DS8886 rack and the XIV rack can be expanded.