单选题
A System z customer is planning to deploy the IBM System Storage DS6800 in each of threesmall data centers located around a large city. A backup data center with an IBM System StorageDS8100 will serve as the disaster recovery facility. Which advanced function can the customerimplement to meet disaster recovery requirements?（）
Global Mirror for zSeries
Metro Mirror
Global Copy
Metro/Global Mirror
单选题
A customer is sharing an IBM System Storage DS8300 for both IBM System z and Systemapplications. They need to provide data recovery capability between the primary and the remotedata center, which is 60 kilometers away. Which copy service keeps all data synchronized at theremote data center?（）
Concurrent Copy
FlashCopy
Metro Mirror
Global Mirror
单选题
Which tasks can be performed with the DSCLI on IBM System Storage DS6000 and DS8000 servers?（）
Monitor disk errors and manage storage complexes
Monitor disk errors and invoke point-in-time copy
Invoke point-in-time copy and initiate a storage unit shutdown
Invoke point-in-time copy and manage storage complexes
单选题
What information, in addition to model number and serial number, is necessary to perform featureactivation for the IBM System Storage DS8000?（）
Machine signature
Customer number
Site location
Customer contact number
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