题目内容

下列关于数据库系统主要特点的叙述,错误的是()

A. 数据具有较高的独立性
B. 数据共享
C. 实现数据冗余
D. 数据结构化

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食品检验机构出具虚假检验报告,使消费者的合法权益受到损害的,应当与食品生产经营者承担连带责任。

A. 正确
B. 错误

规模最大,历时最长,影响最为深远的物质循环是()

A. 水循环
B. 大气循环
C. 地质循环
D. 生物循环

You have an Exchange organization.All servers in the organization have Exchange Server 2010 Service Pack 1 (SP1) installed. The organization contains a database availability group (DAG) named DAG1.DAG1 contains two Mailbox servers named Server1 and Server2.Five mailbox databases are replicated in DAG1.You need to install Exchange rollup updates on Server1.The solution must not prevent users from accessing their mailboxes. What should you do first?()

A. Run the Set-DatabaseAvailabilityGroup cmdlet, and then enable Datacenter Activation Coordination for DAG1.
B. Run the Set-MailboxDatabase cmdlet, and then configure all mailbox database copies as lagged copies.
C. Run the Suspend-MailboxDatabaseCopy cmdlet, and then switch over all mailbox databases to Server2.
D. Run the Update-MailboxDatabaseCopy cmdlet, and then modify the mailbox database Activation preference.

(2013年)一般情况下,在项目评估中,项目有较强偿付能力应满足的条件是()。

A. 流动比率和速动比率均大于150%
B. 流动比率和速动比率均大于100%
C. 流动比率大于100%,速动比率大于200%
D. 流动比率大于200%,速动比率大于100%

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