A service provider is assigning a /30 subnet to each ATM PVC in a Routed 1483 environment. What is a consequence of this configuration？ （）

A、It burns up IP addresses.

B、It conserves IP addresses.

C、It results in a smaller routing table.

D、The group of PVCs is treated as a large LAN.

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.

A WebSphere Commerce administrator is attempting to invalidate a cached servlet. Which course of action would NOT accomplish this goal？（）

Manually Invalidate the servlet cache through the Cache Monitor

Configure a Time Based invalidation for the servlet

Call the dynamic cache invalidation API to invalidate the servlet

Manually invalidate the servlet through the Configuration Manager

Use the Commerce Accelerator to remove the invalid servlet

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

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 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