Answer:
Change default username and password.
Step-by-step explanation:
The corporation under which Derek works has assigned him an assignment of establishing and safeguarding a SOHO router. He intends to ensure that maybe the wireless connection is protected and no further unauthorized person would connect the device to the router. So, the first task is to simply change the username and password that the wifi routers will be secured.
So, the following answer is correct about the given scenario.