单选题What is the purpose of using VPN hardware acceleration equipment?（）ATo offload encryptions functions from router memoryBTo use WebVPN instead of IPSecCTo decrease performance and efficiencyDTo offload encryption functions from a router CPU
单选题
What is the purpose of using VPN hardware acceleration equipment?（）
A
To offload encryptions functions from router memory
B
To use WebVPN instead of IPSec
C
To decrease performance and efficiency
D
To offload encryption functions from a router CPU
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单选题What is the difference between a CSU/DSU and a modem?（）AA CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased lineBA CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased lineCA CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone lineDA CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line