What is a requirement to enable Cisco IOS IPS with 5.x signature？（）
A. disable Zone-Based Firewall as the two features are not compatible
B. disable Cisco Express Forwarding as the two features are not compatible
C. generate a certificate and export on Cisco.com to receive a signature update
D. import the public RSA key from the Cisco IPS team that allows the router to verify that a signatureupdate （which was signed by this key） comes from Cisco
对温病的治疗首先强调初起不可纯投辛温，主张以寒凉为主的医家是（）
A. 罗天益
B. 王安道
C. 刘完素
D. 朱肱
E. 任石山
兆欧表用于测量绝缘时，需根据被测对象不同，来选择不同的（）等级。
车辆调头时，应观察是否有禁止调头标志，严禁在不准调头的区域调头。
A. 正确
B. 错误
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