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单选题 The customer is planning a new IBM System Storage DS5020 using iSCSI and direct attachedfibre channel connectivity in a redundant configuration. The customer is planning to set up adisaster recovery solution in the near future by using Enhanced Remote Mirroring. Which of thefollowing considerations are critical for this customer?()

A

customer must reconfigure aniSCSI port for mirroring

B

customer must set up a fabric and dedicate port 4 for disaster recovery

C

customer must set up a fabric and dedicate port 2 for disaster recovery

D

replication is not possible with the DS5020, they must consider the DS5300

单选题 Which of the following is most accurate in describing the required types of FCP zoningconsiderations when implementing a SAN Volume Controller (SVC)?()

A

zoning is typically limited to controlling access to physical storage

B

zoning is focused on access control between SVC nodes and host systems

C

zoning is focused on access to physical storage arrays, SVC clusters, and hosts

D

zoning is focused on the access relationship between SVC nodes and the physical storagearrays

单选题 A customer is planning on establishing a Global Mirror between two Storwize V7000 storagearrays. The customer is planning to lease an IP WAN connection between sites for the tasks andis running a SAP (database) application on Oracle. Which of the following planning considerationsis most important?()

A

the distance between sites needs to be less than 100 kilometers

B

consistency groups should be created to maintain write order on the remote mirror

C

ensure sufficient bandwidth exists on the link based on average application workloads

D

ensuring a low round trip latency of less than 30ms on the WAN connection is required

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