Create Synchronous and Asynchronous Replication Sessions for Storage Resources UNITY-OPERATE Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   Which interface can be used to create a synchronous replication session on a Dell Unity system?

   • AUnisphere or the CLI (command-line interface).
   • BOnly the Unisphere web interface.
   • COnly the REST API.
   • DOnly the CLI (command-line interface).
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2. 2foundation · easy

   A storage administrator needs to replicate a database volume to a secondary Dell Unity array with the goal of zero data loss in the event of a primary site failure. Which replication method meets this requirement?

   • AAsynchronous replication, because it provides the lowest possible latency for the host application.
   • BSynchronous replication, because the write is acknowledged only after it is committed on both the source and destination.
   • CSynchronous replication, because it uses snapshots to track changes and reduce network bandwidth.
   • DAsynchronous replication, because it periodically copies changed blocks to the destination.
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4. 3application · medium

   A storage administrator is planning to create a replication session between two Dell Unity arrays. The source and destination arrays are in different buildings connected by a routed network. The administrator has already created a storage pool on the destination array and has a valid replication license on both arrays. What additional prerequisite must be met before creating the replication session?

   • AA replication interface must be configured on both arrays with routable IP addresses
   • BA replication session must be created on the destination array first
   • CThe destination storage pool must be the same size as the source pool
   • DThe source and destination arrays must be in the same VLAN
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5. 4foundation · easy

   Which status indicates that a replication session is operating normally and data is being transferred as configured?

   • APaused.
   • BDegraded.
   • CHealthy.
   • DFailed.
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6. 5expert · hard

   A financial services company needs to replicate a high-transaction database to a secondary site for disaster recovery. The database writes must be acknowledged only after being committed at both sites. The two sites are connected by a 1 Gb/s link with a round-trip latency of 5 ms. The database write workload averages 20,000 IOPS with an average I/O size of 4 KB. The administrator is concerned about the impact of synchronous replication on application performance. What should the administrator do to meet the requirement while minimizing performance impact?

   • AUse asynchronous replication with an RPO of 0
   • BUse synchronous replication but only replicate during off-peak hours
   • CUse asynchronous replication with an RPO of 5 minutes
   • DUse synchronous replication and ensure the replication link has sufficient bandwidth to handle the write workload
   Reveal Solution Discussion Select an answer first