题目内容

在科技十分落后的古代，人们梦想过许多东西，如千里眼、顺风耳、飞毯、神枪之类，但像现代生活中普及的电话、电视、电脑等，是那时的人们连想都想不到的。这说明，理想具有（）

A. 共同性
B. 时代性
C. 阶级性
D. 思想性

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更多问题

You need to design a strategy to meet the company’s requirements for e-mail. What should you do？（）

A. Configure and publish a certificate template that is suitable for S/MIME, Deploy a Group Policy object （GPO） so that a certificate that is based on this template is automatically issued to all domain users
B. Specify Group Policy objects （GPOs） and IPSec policies that require all client computers to use Kerberos authentication to connect to mail servers
C. For each mail server， acquire an SSL server certificate from a commercial CA whose root certificate is already trusted
D. Require IPSec encryption on all TCP connections that are used to send or receive e-mail message

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