【多选题】
What are two features introduced in Network I/O Control version 3? (Choose two.)___
A. Bandwidth reservation per traffic type
B. Network resource pools
C. CoS tagging
D. Bandwidth guarantee to virtual machines
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化工企业在建立生产安全事故隐患排查治理体系时，应从班组长及以上人员到最高管理层，参与隐患排查治理，使隐患排查治理贯穿于生产经营活动全过程，成为企业日常工作重要的组成部分
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