操作系统的基本功能不包括（）。 存储管理。 系统容错。 设备管理。 文件管理。
制作玻晶砖的原料是由（）材料为主。 碎玻璃。 石灰石。 粘土。 混凝土。
Which two statements are true about the Cisco Classic （CBAC） IOS Firewall set？（） It can be used to block bulk encryption attacks。 It can be used to protect against denial of service attacks。 Traffic originating from the router is considered trusted， so it is not inspected。 Based upon the custom firewall rules， an ACL entry is statically created and added to theexisting ACL permanently。 Temporary ACL entries that allow selected traffic to pass are created and persist for theduration of the communication sessio。
Your network consists of a single Active Directory forest. The forest functional level is Windows Server 2008 R2. The forest contains two domains named contoso.com and na.contoso.com. Contoso.com contains a user named User1. Na.contoso.com contains an organizational unit （OU） named Security. You need to give User1 administrative rights so that he can manage Group Policies for the Security OU. You want to achieve this goal while meeting the following requirements： èUser1 must be able to create and configure Group Policies in na.contoso.com. èUser1 must be able to link Group Policies to the Security OU. èUser1 must be granted the least administrative rights necessary to achieve the goal. What should you do？（） Add User1 to the Administrators group for na.contoso.com.。 Add User1 to the Group Policy Creator Owners group in contoso.com. Modify the permissions on the scurity OU.。 Run the Delegation of Control Wizard on the Security OU. In the Group Policy Management Console，modify the permissions of the Group Policy Objects container in the na.contoso.com domain.。 Run the Delegation of Control Wizard on na.contoso.com. In the Group Policy Management Console， modify the permissions of the Group Policy Objects container in the contoso.com domain.。
化学污染物对生物的联合作用包括：（）、相加作用、独立作用、（）。
数据字典描述的信息有（）
