人类发展指数（HDI）
Your company has a branch office that contains 1,000 computers.You need to select a network address that supports 1,000 computers in the same subnet. The solution must minimize the number of unused addresses in the subnet.Which address range should you configure？（） [" 172.16.0.0\/16"," 172.16.0.0\/18"," 172.16.0.0\/22"," 172.16.0.0\/24"]
Which of the following is a valid representation of the following IPv6 address： 2001：0000：0000：0abc：0000：0000：000a：000b？ Choose the answer with the least number of digits.（） ["2001：0000：0：abc：0000：0000：a：b","2001：：abc：：a：b","2001：：abc：0：0：000a：000b","2001：：0abc：0000：0000：a：b","2001：0000：0000：abc：：a：b","2001：：abc：0：0：a："]
Your company has an Active Directory forest that contains only Windows Server 2008 domain controllers. You need to prepare the Active Directory domain to install Windows Server 2008 R2 domain controllers. Which two tasks should you perform（） ["Run the adprep \/forestprep command.","Run the adprep \/domainprep command.","Raise the forest functional level to Windows Server 2008.","Raise the domain functional level to Windows Server 2008."]
某企业在签订工程承包合同中规定：工程中发生的一切安全责任均由承包方负责。（） ["这种作法合法","这种作法不合法","与法律无关","都不是"]
生产经营单位安全生产责任制的主要内容有哪些？
