多项选择题
A.This is a normal system-generated information message and does not require further investigation.
B.Service timestamps have been globally enabled.
C.This message is unimportant and can be ignored.
D.This message is a level 5 notification message.
单项选择题 Ifaswitchisworkinginthefail-openmode，whatwillhappenwhentheswitch’sCAMtablefillstocapacityandanewframearrives？（）
单项选择题 Which description is true about the show login command output displayed in the exhibit？（）
多项选择题 Basedonthefollowingitems，whichtwotypesofinterfacesarefoundonallnetwork-basedIPSsensors？（）
