In order to allow the establishment of a Telnet session with a router, which set of commands must be configured?()<br /> <img src="https://nimg.ppkao.com/2018-07/tangxueping/201807231503035435.jpg?sign=c2ae179bcbff7b6cb777c11b87738fb8&t=62d31bac" />
A、A
B、B
C、C
D、D
E、E
F、F