管路的设计结构应当避免由于（）、机械振动等所引起的损坏，必要时应当考虑设置温度补偿结构和紧固装置。 ["磨损","热胀冷缩","腐蚀","弯曲"]
根据运用CSS样式的范围是局限于当前网页还是可以运用到其它网页文件，可以分为内部样式表和（）样式表。
Your company has a main office and a branch office. The main office contains two domain controllers. You create an Active Directory site named BranchOfficeSite. You deploy a domain controller in the branch office， and then add the domain controller to the BranchOfficeSite site. You discover that users in the branch office are randomly authenticated by either the domain controller in the branch office or the domain controllers in the main office. You need to ensure that the users in the branch office always attempt to authenticate to the domain controller in the branch office first. What should you do（） ["Create organizational units （OUs）.","Create Active Directory subnet objects.","Modify the slow link detection threshold.","Modify the Location attribute of the computer objects."]
You need to recommend a Group Policy strategy for the Remote Desktop servers. What should you include in the recommendation？（） ["block inheritance","loopback processing","security filtering","WMI filtering"]
Your company has a main office and 50 branch offices. Each office contains multiple subnets. You need to automate the creation of Active Directory subnet objects. What should you use（） ["the Dsadd tool","the Netsh tool","the New-ADObject cmdlet","the New-Object cmdlet"]
如果我们定义了一个名称为“.text”的样式表，那么这个样式表的“选择器类型”为：（）
