单项选择题

A financial customer has three data centers that are ap……

A financial customer has three data centers that are approximately five kilometers apart. Their SAP application data needs to be kept synchronized within 10 milliseconds between the three sites.
Which of the following solutions satisfies the customer's recovery time objective?（）

A. DS8700 systems at each site running Metro Mirror
B. DS5300 systems at each site running Metro Mirror
C. DS5100 systems at each site running Global Mirror
D. XIV systems at each site running synchronous mirroring

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热门试题

单项选择题A customer needs to achieve a very aggressive RTO of 30 minutes or less. A critical requirement is a continuous availability and disaster recovery solution for the mainframe environment. What IBM solution should be recommended to this customer?（）

A. Metro Mirror
B. Metro/Global Mirror
C. Geographically Dispersed Open Servers (GDOS)
D. Geographically Dispersed ParallelSysplex (GDPS)

单项选择题A customer wants to expand their current storage environment, but has floor space for only two machine frames or two racks. Their environment consists of IBM SAN Volume Controllers and IBM DS4000 systems. The DS4000 systems are at end of lease. The customer wants the maximum number of disks possible in two frames. Which of the following solutions is best for this customer?（）

A. add one SVC
B. install one DS8700
C. install one DS8800
D. install one XIV system

单项选择题A customer is acquiring a new IBM System Storage TS3500 Tape Library and requested to reuse four HP LTO-3 drives installed in a Sun L700 tape library to take advantage of the IBM multipath architecture. What action should the storage specialist take?（）

A. requestTechline support for help configuring the TS3500 with merged IBM and non-IBM LTO tape drives
B. propose a TS3500 with IBM LTO-5 tape drives and explain the benefit of using IBM control path failover
C. propose a TS3500 with IBM LTO-5 tape drives and include a special feature code to include non-IBM LTO tape drives
D. propose a TS3500 with LTO-5 tape drives and include non-IBM LTO tape drive support in the installation services proposal

单项选择题Which of the following is one of the key differentiators between the IBM System Storage DS8000 and the XIV system?（）

A. DS8000 supports z/OS; XIV supports both z/OS and Linux on z
B. DS8000 uses standard RAID technology; XIV uses distributed RAID
C. XIV is a single tiered system; DS8000 supports FC and SSD disk technologies only
D. XIV supportsFibre Channel protocol and mixed SATA and FC drives; DS8000 supports parallel grid architecture

单项选择题Which technology feature is designed to maximize the benefit of using SSD drives? （）

A.Easy Tier
B.FlashCopy
C.Encryption
D.Metro Mirror