Why do array based local replication technologies track changes made to source and target devices after the creation of a replica?

A local replica of a database is required. Business requirements demand that the database be available 24×7. Which operation should be performed to ensure a consistent replica of the database?

Which host component is the high speed interconnects between the Central Processing Unit and memory?

Which SAN management feature prevents unauthorized or accidental access to volumes?

What is a key management task that applies to all data center elements?

What is a critical design factor when deciding whether or not to deploy IP SAN?

During DR planning in a two data center setup you determine that:

The remote site B will hold a copy of data that is 5 minutes behind the production data at site A It will take two hours after an outage at site A to decide to shift production to site B An additional 3 hours will be needed to power up the servers, bring up the network and redirect users so site B can become productive

What is the Recover Point Objective (RPO) of this plan?

Which remote replication solution has the highest bandwidth requirements?

During EMC CLARiiON Mirror View/A remote replication, the communication link between a mirror’s primary image and its secondary image fails. What is the state of the secondary image?

Many FCAL nodes are attempting to simultaneously send I/O to a storage array. How is control of the loop determined?