A Technician Logs onto a System Using Telnet Because SSH

Multiple Choice

A technician logs onto a system using Telnet because SSH is unavailable. SSH is enabled on the target device, and access is allowed from all subnets. The technician discovers a critical step was missed. Which of the following would allow SSH to function properly?

A) Perform file hashing
B) Generate new keys
C) Update firmware
D) Change default credentials