If your answer was loop switch, you are correct!
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Professor Poelker: A "loop switch" can also handle the FC-AL protocol, and allows the attachment of older FC-AL based SAN gear (like tape drives) to the fabric. The switch assigns a unique WWN for each FC-AL ID on the connection, so that fabric based devices can address the FC-AL based device. Brocade was one of the first to provide this functionality through their "quickloop" protocol in the original 2800 switches.
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