对于传统的系统,程序改变控制保证所产生的系统是从经批准的程序的正确版本中产生。在客户机/服务器环境中的处理有可能增加程序改变控制的复杂性。在客户机/服务器环境中要求而在大型主机环境中不要求的一个程序改变控制的功能是保证:()
A. 程序版本的变换在全网络上同步进行;
B. 程序紧急改动的过程应制定成条文的规定并遵守执行;
C. 合适的用户参加程序变换测试;
D. 从测试资料库到成品资料库的传送要受到控制。
Server1 contains a folder named D:\Salesdata, which contains important company data. The hardware-monitoring software reports that the disk that contains volume D is in danger of imminent disk failure. You order a replacement disk, but you must wait at least one day for the disk to be delivered. You discover that you do not have a backup of the D:\Salesdata folder because a recent backup was configured incorrectly. You need to back up the D:\Salesdata folder so that you can restore the data if the disk fails. You need to achieve this goal as quickly as possible. What should you do? ()
A. Perform a normal backup of the D:\Salesdata folder.
B. Perform an incremental backup of the D:\Salesdata folder.
C. Perform a differential backup of the D:\Salesdata folder.
D. Perform a daily backup of the D:\Salesdata folder.
Enable Shadow Copies on volume D:\Configure the shadow copy location as C:\.