Firewall filters can perform which two actions?（）

A

Log packets.

B

Set packet metrics.

C

Count packets.

D

Decrement packet's TTL value.

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 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.

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

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

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