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單項選擇題

When configuring Cisco IOS login enhancements for virtual connections, what is the "quiet period"?()

A.The period of time in which virtual login attempts are blocked, following repeated failed login attempts
B.The period of time in which virtual logins are blocked as security services fully initialize
C.A period of time when no one is attempting tolog in
D.The period of time between successive login attempts

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