A. request chassis cluster manual failover group 1 node 1 B. request cluster failover redundancy-group 1 node 1 C. request chassis cluster manual failover redundancy-group 1 node 1 D. request chassis cluster failover redundancy-group 1 node 1
A. syn-fin, syn-flood, and tcp-no-frag B. syn-fin, port-scan, and tcp-no-flag C. syn-fin, fin-no-ack, and tcp-no-frag D. syn-fin, syn-ack-ack-proxy, and tcp-no-frag
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 sessions exist between Host A and Host B?（）
A.1 B.2 C.3 D.4
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