show crypto isakmp sa コマンドを実行したときに、IKEv1 フェーズ 1 が稼働中であることを示す状態はどれですか?
正解:D
When show crypto isakmp sa displays a state of QM_IDLE, it indicates that IKEv1 Phase 1 has successfully completed and Phase 2 (Quick Mode) is also established, meaning the ISAKMP SA is up and the VPN tunnel is operational.