单选题Refer to the exhibit. Which statement is correct based on the show login command output shown？（）AWhen the router goes into quiet mode， any host is permitted to access the router via Telnet，SSH， and HTTP，since the quiet-mode access list has not been configured.BThe login block-for command is configured to block login hosts for 93 seconds.CAll logins from any sources are blocked for another 193 seconds.DThree or more login requests have failed within the last 100 seconds.
单选题
Refer to the exhibit. Which statement is correct based on the show login command output shown？（）
A
When the router goes into quiet mode， any host is permitted to access the router via Telnet，SSH， and HTTP，since the quiet-mode access list has not been configured.
B
The login block-for command is configured to block login hosts for 93 seconds.
C
All logins from any sources are blocked for another 193 seconds.
D
Three or more login requests have failed within the last 100 seconds.
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