3. A bank in the city has a primary data centre and secondary data centre 100km apart. Both Fibre Channel data centers are live and in the event of failure, must be capable of failing over to the other at a moment’s notice with no loss of data. What SAN extension strategy would you recommend?
a. Synchronous replication using FCIP Gateways b. Asynchronous replication using FCIP Gateways c. Synchronous replication using DWDM d. Asynchronous replication using DWDM
4. A customer has a high availability DR solution with two data centers 100km apart. The customer is using Stretch Clustering but is unsure which volumes to mirror between sites to maintain data integrity. What would you recommend? a. Mirror the application volumes only b. Mirror the application volumes and swap files c. Mirror the system state and application volumes d. Mirror the system state, application volumes and swap files