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Question :-

A company runs a data center for smaller customers. Some of their customers require 24x7 availability. The company infrastructure consists of traditional 1Gb Ethernet and 4Gb Fibre Channel networks. Their SAN consists of a dual redundant fabric with six HP StorageWorks 4/32 SAN Switches in each fabric. The fabrics have a full-meshed topology with two ISls for each mesh link. They have only two available free ports on each switch. They have 20 VMware-based servers and 7 Windows 2008 servers, which are attached with redundant paths to their SAN. They also have three HP EVA 6xxx and two tape libraries with 4 drives of HP Ultrium 4 FC drives in each tape library. Recently they added two HP 3PAR StoreServ 10400 Storage Systems. The servers and storage devices are distributed on the switches. All of the devices are distributed between two data centers that are 1 km apart. The company has not experienced any performance issues. They plan to acquire additional customers and are concerned that their infrastructure will not support future growth. The company wants to make sure that they will be able to accommodate changing I/O traffic patterns and reduce the complexity for expansion. Which change to the SAN should you recommend in your presentation to the IT Director of the company?
change to HP SN6000 Stackable Fibre Channel Switches
change to core-edge-topology for each fabric
add the HP B-series SAN Network Advisor Enterprise to each fabric
change to HP SN6OOOC 8Gb Fibre Channel Switches

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