单项选择题
Host A opens a Telnet connection to Host B. Host A then opens another Telnet connectionto Host B. These connections are the only communication between Host A and Host B. Thesecurity policy configuration permits both connections.How many flows exist between Host A and Host B？（）
A.1 B.2 C.3 D.4
多项选择题 WhichtwofunctionsofJUNOSSoftwarearehandledbythedataplane？（）
多项选择题 WhataretwocomponentsoftheJUNOSSoftwarearchitecture？（）
多项选择题 WhichthreefunctionsareprovidedbyJUNOSSoftwareforsecurityplatforms？（）
