多投套期保值
孪生
You install Windows Vista on a computer for a user who is visually impaired. You need to configure a High Contrast color scheme on the computer. What should you do?（） A。 B。 C。 D。
检查片取出记录应包括如下内容：现场摄取检查片外观照片，现场记录腐蚀产物和沉积物分布，并描述其厚度、密实度、构造、颜色以及取出日期和（） 取出时气象条件。 取出时温度、湿度。 风速。 取出负责人姓名。
You have two stand-alone servers that run Windows Server 2003 Service Pack 2 (SP2). You assign the Secure Server (Require security) IPSec policy to both servers. From Server1, you notice that you cannot access resources on Server2.You need to ensure that you can access resources on Server2. All communications between Server1 and Server2 must be encrypted. What should you do?（） On Server1, assign the Client (Respond only) IPSec policy. 。 On Server2, assign the Server (Request Security) IPSec Policy. 。 On Server1 and Server2, modify the authentication settings in the Secure Server (Require security) IPSec Policy. 。 On Server1 and Server2, enable Master Key perfect forward secrecy (PFS) in the Secure Server (Require security) IPSec Policy.&e。
《共产党宣言》之所以成为科学社会主义诞生的标志，是因为它（）。
