单选题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 bet
题目
单选题
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
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参考答案和解析
正确答案：
D
解析：
暂无解析