证券投资组合不是投资者随意的组合，它是投资者权衡投资收益和风险后，确定的最佳组合。
综合重合闸装置的阻抗选项元件一般均采用（）接线方式，当单相接地故障时，测量阻抗是（）。
Your company has a main office and one branch office. The network consists of an Active Directory domain named contoso.com. All servers run Windows Server 2003 Service Pack 2 (SP2). In the main office, a server named DNS1 hosts the primary DNS zone for contoso.com. In the branch office, you configure a secondary DNS zone for contoso.com on a server named DNS2. You discover that the resource records are not being transferred to DNS2.You verify that the contoso.com zone on DNS2 is configured to have the correct IP address for DNS1. You need to ensure that the resource records for contoso.com are transferred to DNS2. What should you do?（） On DNS2, configure a stub zone for contoso.com. 。 On DNS2, configure a conditional forwarder for contoso.com. 。 On DNS1, configure a delegation record for DNS2.contoso.com. 。 On DNS1, add the IP address for DNS2 to the contoso.com Name Servers list.。
电喷发动机燃油供给系统由油箱、电动汽油泵、燃油滤清器、燃油分配管、喷油器和（）等组成。 油压表。 正时器。 油压调节器。 空气计量仪。
You work as a network technician at Certkiller .com. Your boss， Mrs. Certkiller， is interested in WAN Services.Match the appropriate WAN Services with the correct service type.
What three elements are included with Cisco Small Business Pro Service？（）
