EMC 認證是一項電磁兼容性認證，EMC認證主要分為Technology Foundations ，Specialist，Legato Cert，Implemenation四類認證體系。E22-280考試屬于EMC Implemenation認證考試。E22-280考試全稱：Avamar Backup and Data Deduplication Exam，E22-280最新題庫包括128 Q&As，最新更新日期：2009年10月1日。EMC -280最新題庫部分真題如下： 1.What are key features of EMC Avamar? A.Disk-based archive RAID, RAIN, clustering and replication Global deduplication B.Global deduplication RAID, RAIN, checkpoints and replication Disk storage C.Global deduplication RAID, RAIN, checkpoints and replication Auto-archive of NAS D.OS-specific deduplication RAID, RAIN, checkpoints and replication Full,…