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Wednesday, March 4, 2020

Top SAN Interview Questions -2


6. WHAT ARE THE BENEFITS OF 4GB FIBRE CHANNEL?

Benefits include twice the performance with little or no price increase,investment protection with backward compatibility to 2 GB, higher reliabilitydue to fewer SAN components (switch and HBA ports) required, and the ability toreplicate, back up, and restore data more quickly. 4 GB Fibre Channel systemsare ideally suited for applications that need to quickly transfer large amountsof data such as remote replication across a SAN, streaming video on demand,modeling and rendering, and
 large databases. 4 GB technology is shipping today.

7. HOW IS FIBRE CHANNEL DIFFERENT FROM ISCSI?

Fibre Channel and iSCSI each have a distinct place in the IT infrastructure asSAN alternatives to DAS. Fibre Channel generally provides high performance andhigh
 availability for business-critical applications, usually in the corporatedata center. In contrast, iSCSI is generally used to provide SANs for businessapplications in smaller regional or departmental data centers.

8. WHEN SHOULD I DEPLOY FIBRE CHANNEL INSTEAD OFISCSI?
For environments consisting of high-end servers that require high bandwidth ordata center environments with business-critical data, Fibre Channel is a betterfit than iSCSI. For environments consisting of many midrange or low-endservers, an IP SAN
 solution often delivers the most appropriateprice/performance.

9. Name some of the SAN topologies
Point-to-point, arbitrated loop, and switched fabric topologies



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