下载APP
举一反三
【单选题】Thanks to the GPS, the apps on your phone have long been able to determine your general location. But what if they could do so with enough precision that a supermarket, say, could tempt you with digit...
A.
rewards programs
B.
physical stores
C.
profitable insight
D.
shopping habits
【单选题】使用firewall-cmd配置防火墙策略，添加端口使用的选项是（ ）。
A.
--add-port
B.
--add-service
C.
--add-rich-rule
D.
--get-service
【单选题】PIX防火墙的基本配置命令中用于启用、禁止、改变一个服务或协议通过pix防火墙的命令是______。
A.
net
B.
interface
C.
fixup
D.
conduit