求下列序列的生成函数：　　（1）　　（2）　　（3）（a是一个实数）　　（4）　　（5）

Which of the following communication methods will provide the maximum bandwidth for video streaming through a media extender？（）

A、100BaseT Ethernet

B、802.11g

C、Z-Wave

D、Bluetooth

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

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.

Which of the following cabling would be MOST commonly used with digital volume controls？（）

A、Unshielded twisted pair

B、RJ-59

C、16/4 solid conductors

D、Speaker Wire

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