多项选择题
What are the benefits of using TCAM technology in high-end routing products ？（）
A.Lower power consumption B.Lower maintenance cost C.Simplified configuration D.Deterministic performance E.Longer uptime
单项选择题 WiththeDSCPvaluefo"101110"，whatdoesthe"11"inbits1and2indicate？（）
多项选择题 SONET’sthreelayersare（）.
单项选择题 WhichofthefollowingdescriptionsaboutIPspoofingiscorrect？（）
