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单选题

Host A opens a Telnet connection to Host B. Host A then opens another Telnet connection to Host B. These connections are the only communication between Host A and Host B. The security policy configuration permits both connections. How many flows exist between Host A and Host B? ()

发布日期:2022-07-14

Host A opens a Telnet connection to Host B. Host A...
A

1

B

2

C

3

D

4

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