Given the regular expression: 64900 . (65400-65410) Which AS Path matches the given regularexpression?（）

A、64900 65000 65500

B、64900 65402 65409

C、64900 65000 65300 65410

D、64900 65402 65405 65409

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

A technician is searching a knowledge base for the correct method of removing a virus. The knowledge base states that the key： HKEY_LOCAL_MACHINE/MICROSOFT/SOFTWARE/CURRENTVERSION/PAK needs to be deleted. Which of the following should the technician use to delete the key？（）

A、MSCONFIG

B、DEBUG

C、EVENTVIEWER

D、REGEDIT

使用组合推理证明恒等式：

Identify two correct options regarding subscription processing.（） (Choose two.)

processes user response

processes function activities

passes information to Notification Mailer

sends event information to a workflow process

include the task of executing custom code on the event information

Small in-ceiling speakers are BEST suited for（）

A、loud， bass intensive music （e.g. heavy metal， rock）.

B、providing a sub-woofer for great bass reproduction.

C、background music and blending in with decor.

D、the user who wants perfect sound reproduction.