单项选择题
A.20 km [12.4 miles]
B.10 km [6.2 miles]
C.5 km [3.1 miles]
D.25 km [15.5 miles]
E.15 km [9.3 miles]
单项选择题 When configuring a cisco 3845 integrated services router to support 802.11b and g clients. Which of the following commands would be correct？（）
单项选择题 Whichofthefollowingsettingswillreducepacketoverheadandoveralllatencyinastandalonepoint-to-pointbridgedeployment？（）
单项选择题 Eap-fast provides a secure tunnel during phase one to protect the user’s authentication credentials. Which of these entities initializes the secure tunnel？（）