Answer:
The password needed to access user EXEC mode is lineconin
Step-by-step explanation:
Telnet accesses a network device through the virtual interface configured with the line VTY command. The password configured under this is required to access the user EXEC mode. The password configured under the line console 0 command is required to gain entry through the console port, and the enable secret passwords are used to allow entry into the privileged EXEC mode.