考核评估是检查工作效果、员工表现、经济效益等成果的有效方法,评估结果优劣取决于多种因素,其中,确定()是评估的基础性工作。
A. 评估尺度
B. 评估程度
C. 评估过程控制
D. 评估制度及专家素质
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A customer with a small IT budget has one data center. Their main application is a database running on an IBM System Storage DS8000. The database has a data change rate of 50% per day. Once a week, they must do a point-in-time backup from the database to tape. The time it takes to run the backup now exceeds the backup window allowed. The customer requests a proposal to reduce database downtime caused by running backups, with nearly no impact to production volumes. In addition to the tape backup, which DS8000 feature should a technical specialist propose()
A. FlashCopy
B. FlashCopy SE
C. Metro Mirror
D. Global Mirror
面对数量众多,内容、形式、来源复杂多样的档案,要实施有序化管理,大体上可以归纳为历史的和()的两种方法。
A. 唯物
B. 逻辑
C. 发展
D. 辩证
下面哪项不是防范ARP攻击的有效方法()。
A. IP-MAC静态绑定
B. 使用类似port security的功能
C. 加强用户权限控制
DHCP Snooping+DAI技术
幽门螺旋杆菌是导致十二指肠溃疡和胃溃疡的主要致病因素。
A. 正确
B. 错误