EMC是Electro Magnetic Compatibility的縮寫，即電磁兼容。隨著電氣電子技術的發展，家用電器產品日益普及和電子化，廣播電視、郵電通訊和計算機網絡的日益發達，電磁環境日益復雜和惡化，使得電氣電子產品的電磁兼容性(EMC電磁幹擾EMI與電磁抗EMS)問題也受到各國政府和生產企業的日益重視。電子、電器產品的電磁兼容性（EMC）是壹項非常重要的質量指標，它不僅關系到產品本身的工作可靠性和使用安全性，而且還可能影響到其他設備和系統的正常工作，關系到電磁環境的保護問題。
EMC包括EMI(電磁幹擾)及EMS(電磁耐受性)兩部份，所謂EMI電磁幹擾，乃為機器本身在執行應有功能的過程中所產生不利於其它系統的電磁噪聲；而EMS乃指機器在執行應有功能的過程中不受周圍電磁環境影響的能力。
What is the recommended minimum amount of memory in a management station for an EMC VisualSAN 4.0 installation in a mid-sized SAN?
A.256 MB
B.512 MB
C.1 GB
D.2 GB
Answer:C
Which describes the non-blocking architecture deployed in M-series switches?
A.Allows frames to be sent to destination ports based on the receiving ports availability
B.Switch operations which move data across the bus into CMM and finally to MPC for delivery
C.Memory based operations which fence partitions of memory into bit-buckets for data delivery
D.Allows memory segmentation across the s/bar platform permitting data re-direction based on ASIC availability
Answer:A
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