IBM(000-968)單項(xiàng)選擇題每日一練(2019.01.22)

A global customer’s IT strategy is based upon two DS8000 systems and an N series gateway. They want to protect their 
business by implementing a disaster recovery solution. The storage specialist has recommended cascaded mirroring. 
Which of the following is the business benefit of cascaded replication（）

A customer has an IBM System Storage DS8100 with 128 DDMs and needs to add additional capacity. 
What must be verified by the Business Partner during the visit to the computer room（）

A customer’s SAN environment has undergone significant growth over the past two years. They have also suffered a high turnover rate with administrative personnel. The customer has asked a storage specialist for help in documenting and understanding their changing SAN environment. The ability to make configuration changes to devices would be a plus. 
Which tool should the storage specialist suggest（）

A customer requires an infrastructure to support disaster recovery of critical applications between two remote data centers. One data center is in Tokyo and one is in Beijing. The customer’s Recovery Point Objective （RPO） requires a six-hour window for a bandwidth of 100 MB/s and a new storage system for a total of 4 TB of data. They estimate 100 MB of new data produced hourly.
What data synchronization method would be recommended to meet the requirements（）

A customer business requirement addresses data encryption implemented in tape and disk media. They plan to deploy a DS8700 to provide enterprise class storage and plan to configure the DS8700 with SSD and Fiber Channel disk drives. 
Which statement is TRUE regarding disk encryption（）