Dual-switch networking is widely applied in Fibre Channel SANs.
Which of the following are its characteristics? (Multiple Choice)

• A.The ports on the two Fibre Channel switches connecting to the hosts and storage device must reside in the same zone.
• B.Per host two fibre channel ports should be available. The two Fibre Channel ports connect to two Fibre Channel switches.
• C.As multiple paths exist, the dual switch networking mode supports link redundancy but does not support load balancing.
• D.Two Fibre Channel switches are deployed in a SAN for connecting to the two controllers of a storage device.

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Statement 1: Synchronous replication is often possible over distances of more than 100 km.
Statement 2: Asynchronous replication must be used when the host has a file system that is Linux based.

• A.Statement 1 and 2 are false.
• B.Statement 1 and 2 are true.
• C.Statement 1 is true; Statement 2 is false.
• D.Statement 1 is false; Statement 2 is true.

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In a SCSI connection, it is responsible to send SCSI commands to the target.
Which of the following fits the above description?

• A.Target.
• B.Initiator.
• C.Storage.
• D.LUN.

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Statement 1: Virtual Tape libraries allow for a highly scaleable backup strategy as storage can be added later.
Statement 2: Virtual Tape Libraries should be used when remote datacenters are NOT available.

• A.Statement 1 is true and statement 2 is false.
• B.Both statements 1 and 2 are false.
• C.Statements 1 and 2 are both true.
• D.Statement 1 is false and statement 2 is true.

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A user is having intermittent problems connecting to their shared network storage. A network technician is able to determine that there is a problem within the network cabling in between the workstation and the switch. All other users are able to connect successfully to the network.
Which of the following is the MOST likely cause?

• A.Cable has been cut somewhere within the wall.
• B.Cable is not connected at the patch panel.
• C.Patch cable is a crossover cable instead of straight-through.
• D.Crosstalk and interference are occurring.

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