单项选择题
A.政府向社会公众提供的公共服务项目
B.技术复杂或者性质特殊的采购项目
C.不能确定详细规格或者具体要求的采购项目
D.政府负责建设的政府采购工程项目
单项选择题 Which of the following helps protect important confidential information from being publiclydisclosed?（）
单项选择题 On which of the following cables would a technician find a BNC connector installed?（）
单项选择题 Which of the following protocols would MOST likely be used in the establishment of an IPSec VPN tunnel?（）