A customer needs a remote data copy， data migration， and off-site backup solution. The solution cannot impact application performance. The sites are over continental distances.  Which  characteristic of DS8700 Global Mirror makes it a good fit for this customer（）

A、it provides synchronous mirroring on both sides

B、it can be implemented withoutFlashCopy volumes at the target site

C、with Global Mirror， the Metro Mirror functions can be used over continental distances

D、it has almost no impact on application performance because of its extremely short and adjustable coordination time

An administrator is notified that all network printers are not printing. The administrator reviews the server and the print service is started.  Which of the following is the cause of the problem？（）

A、 The drivers for the printers are failing.

B、 The spool folder is full.

C、 The spool folder is not on the C drive.

D、 A network printer was disconnected.

Rootvg has just been mirrored to a second disk. Which of the following actions should be performed to boot the system off of either disk?（）

A、Extendvg to include both disks in the rootvg

B、Copy the hd5 logical volume to hdisk1

C、Run the bosboot and bootlist commands

D、Reset the dump device to /dev/sysdumpnull

你需要配置你的旗舰版windows系统以实现从WSUS服务器上的更新，需要执行什么操作？（）

A、在系统设置中修改系统保护设置

B、在本地组策略中修改更新设置

C、在windowsupdate中修改更新设置

D、在本地组策略中，修改本地和传感器设置

画正等轴测剖视图，可先画物体完整的（）。

A、正等轴测图

B、三视图

C、主视图

D、平面图

在C++中，打开一个文件时与该文件建立联系的是（　　）。

A、流对象

B、模板

C、函数

D、类