After an unsuccessful synchronization or DARE update， which copy of the HACMP ODM remains To prevent further changes from being made？（）
A、 The ’Default’ configuration directory
B、 The ’Active’ configuration directory
C、 The ’Staging’ configuration directory
D、 The ’Snapshot’ configuration directory
使用组合推理证明恒等式：
Which database does WX Central Management System (WX CMS) software use to store historical data?（）
A、Oracle
B、MySQL
C、Sybase
D、Microsoft Access
永真式的否定是（ ）。
A、永真式
B、永假式
C、可满足式子
D、A，B，C均有可能
An HACMP setting timer may used to allow：（）
A、 The setting or fallback of a cluster custom resource group
B、 The cluster time to stabilize before starting a custom resource group
C、 A priority node time to acquire custom resource group at cluster start
D、 A fallover node time to process custom resource states to be monitored
Automatic Updates should be performed to ensure that the computer has the latest：（）
A、anti-virus definition file.
B、drivers installed.
C、release of the operating system.
D、security and software patches.
