单项选择题
A.reflexive ACL
B.dynamic ACL
C.queuing
D.netflow
E.state
单项选择题 TheenablesecretpasswordappearsasanMD5hashinarouter’sconfigurationfile，whereastheenablepasswordisnothashed（orencrypted，ifthepassword-encryptionserviceisnotenabled）.WhatisthereasonthatCiscostillsupporttheuseofbothenablesecretandenablepasswordsinarouter’sconfiguration？（）
单项选择题 Which statement best describes the relationships between AAA function and TACACS+， RADIUS based onthe exhibit shown？（）
单项选择题 Whatwillbeenabledbythescanningtechnology-TheDynamicVectorStreaming（DVS）？（）