问题：

[多选] Which of the following statements are true concerning the command ip sla monitor responder typetcpconnect ipaddress 10.1.1.1 port 23？（Choose all that apply.）（）

A . The command will initiate a probe with a destination IP address of 10.1.1.1
B . The command is used on the IP SLA responder and the IP SLA source
C . The command will allow only source address 10.1.1.1 to source probes
D . The command will initiate a probe with a destination Telnet port
E . The command is used to make the router a responder
F . The command will initiate a probe with a source port of 23