敏感性因素是指（） 能够使项目获得较高利润的因素。 该因素稍一发生变动就会使项目承担较小风险。 该因素稍一发生变动就会引起项目经济效益发生较大变动。 该因素稍一发生变动就会引起项目经济效益发生较小变动。
Your company has a branch office that is configured as a separate Active Directory site and has an Actrve Directory domain controller. The Active Directory site requires a local Global Catalog server to support a new application. You need to configure the domain controller as a Global Catalog server. Which tool should you use（） The Dcpromo.exe utility。 The Server Manager console。 The Computer Management console。 The Active Directory Sites and Services console。 The Actrve Directory Domains and Trusts console。
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You are implementing an ASP.NET application. You add the following code segment. You need to add code to return a list of all Person objects except those with a UserId that is contained in the secretUsers list. The resulting list must not contain duplicates. Which code segment should you use？（） var secretPeople = （from p in allPeople from u in secretUsers where p.UserId == u select p）.Distinct（）； return allPeople.Except（secretPeople）；。 return from p in allPeople from u in secretUsers where p.UserId != u select p；。 return （from p in allPeople from u in secretUsers where p.UserId != u select p）.Distinct（）；。 List
people = new List（ from p in allPeople from u in secretUsers where p.UserId != u select p）； return people.Distinct（）；。
Your company has a main office and a branch office. The main office has a domain controller named DC1 that hosts a DNS primary zone. The branc office has a DNS server named SRV1 that hosts a DNS secondary Zone. All client computers are configured to use their local server for DNS resolution. You change the IP address of an existing server named SRV2 in the main office. You need to ensure that SRV1 reflects the change immediately. What should you do？（）
