Which two kinds of failures make the Data Recovery Advisor (DRA)generate a manual checklist? （） failures because a data file is renamed by error。 failures when no standby database is configured。 failures that require no archive logs to be applied for recovery。 failures due to loss of connectivity-for example, an unplugged disk cable。
从银行提取现金，按规定应编制（）。 现金付款凭证。 现金收款凭证。 银行存款付款凭证。 银行存款凭证。
You are a database administrator for your company. A database on one of the company’s SQL Server 2005 computers stores transaction information for the company’s Web-based order system. The database is configured to use the full recovery model. Your company receives very few orders between the hours of 19：00 and 04：00. Your maximum acceptable risk for data loss is one hour. Database backups must be performed as quickly as possible. You need to develop a maintenance plan to manage this risk. What should you do？（） Configure a Back Up Database task to do a full backup of the database every hour.Configure a Check Database Integrity task to run every hour.。 Configure a Back Up Database task to do a full backup of the database every day at 19：00.Configure a second Back Up Database task to do differential backups at 09：00 and 14：00.Configure a third Back Up Database task to do transaction log backups every hour.。 Configure a Back Up Database task to do a full backup of the database every day at 19：00.Configure a second Back Up Database task to do differential backups at 09：00 and 14：00.Configure a Check Database Integrity task to run every hour.。 Configure a Back Up Database task to do a full backup at 09：00 and 14：00.Configure a second Back Up Database task to do transaction log backups every hour.。
我国第一部真正意义的电子商务法是（） 《电子签名法》。 《计算机信息系统安全保护条例》。 《电子认证服务管理办法》。 《维护互联网安全的决定》。
下列选项中，（）属于创业研究。 制定创业计划。 环境分析。 市场调研。 案头分析。 行业分析。
智能建筑工程验收时，主控项目有（）不合格，则系统检测不合格。
