单项选择题

To optimize performance on an IBM System Storage DS8000， the input/output activity should be spread across （）

A.multiple LUNs in a single array
B.multiple switches
C.multiple host bus adapters
D.multiple internal servers

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单项选择题

A customer has two data centers， 500 kilometers apart. The customer requests a proposal for new storage subsystems and a disaster recovery solution that provides consistent data in the event of a disaster at the local site.
Which IBM System Storage DS8000 solution should the storage specialist propose to the client（）

A.Metro/Global Mirror
B.Metro Mirror
C.Global Copy
D.Global Mirror

单项选择题

A customer has multiple applications on multiple open platforms in their current environment based on IBM System Storage DS8100. They plan to set up a business continuity solution that meets the objective of zero or little data loss for their business critical data. The customer has indicated that cost is a factor.
What should the storage specialist recommend（）

A.a DS8700 in the Business Continuity site with a Metro Mirror license
B.a DS8700 with SAN Volume Controller in the Business Continuity site
C.a DS8700 in the Business Continuity site with Global Copy license
D.two new DS5300 servers （production and Business Continuity site） with a Global Copy license

单项选择题

Tiered disk systems （DS8700 and DS5020）， tape backup and Cisco director（s） utilizing VSANs have been proposed as a solution. The storage specialist is asked to explain the technical
advantage of using Cisco directors and VSANs.
Which of the following is the key point to stress to the customer（）

A.a single director and VSANs provides redundant fabrics at reasonable cost
B.prevent disk and tape traffic from sharing a host port
C.ease of implementation of Administrative Domains
D.ability to easily create a DS8700 LPAR to send data directly to tape