多项选择题
A. 10.172.13.65 B. 172.16.223.125 C. 172.64.12.29 D. 192.168.23.252 E. 198.234.12.95 F. 212.192.48.254
Which connections allow the use of full-duplex Ethernet...
多项选择题Which connections allow the use of full-duplex Ethernet?（）
A. Switch to host B. Switch to switch C. Hub to hub D. Switch to hub E. Host to host
What is the purpose of pressing the Ctrl+Break keys dur...
单项选择题What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?（）
A. To restart the router. B. To bypass the configuration in Flash. C. To view the password before changes are made. D. To bypass setup configuration mode. E. To access ROM Monitor mode.
Five minutes after issuing the show running-config comm...
Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes. Which commands will accomplish these options?（）
A. show hosts B. show sessions C. show connections D. disconnect E. CTRL+SHIFT+6x F. exit
