保护通信安全包括（）主要任务 ["认证","完整性","确认机制","机密性"]
学校教学工作评价
Refer to the exhibit.What is the result of setting the no login command？（） ["The is a virtually limitless supply of IP addresses","Telnet access requires a new password at first login","Telnet access requires a password","Telnet access is denied"]
Which statement about access lists that are applied to an interface is true？（） ["you can apply multiple access lists with the same protocol or in different…","you can config one access list，per direction，per layer 3 protocol","you can place as many access lists as you want on any interface","you can apply ony one access list on any interface"]
学校管理工作评价
课堂教学质量评价
