You are a systems administrator responsible for configuring a Windows Server 2008 SMTP server. Yourorganization is currently using the default SMTP virtual server for sending order notifications from a single Web application called ContosoOrderManagement. Recently, you have noticed that a largenumber of messages have been sent to the SMTP virtual server from other computers and users. Which two methods can you use to prevent unauthorized access to the SMTP server?()
A. Enable Basic Authentication.
B. Configure a smart host for use by the SMTP virtual server.
C. Add Connection Control entries to limit which IP addresses can use the SMTP server.
D. Modify settings on the Security tab of the properties of the SMTP virtual server.
中唐诗歌发展到贞元、元和和长庆时期,出现了两大诗人群体,即()和()。
岗位员工有权()他人的不安全行为;有权拒绝一切违章作业指令;有权对危害生命安全和健康的行为制止、上报。
A. 隐瞒
B. 无视
C. 制止、纠正
D. 协助
《海船船员值班规则》规定,所有值班船员在()必须有至少()的休息时间。
A. 12小时内/5小时
B. 12小时内/6小时
C. 24小时内/10小时
D. 24小时内/12小时