Final answer:
In this Packet Tracer lab, the component that is similar in concept to the Amazon Alexa app is software.
Step-by-step explanation:
In this Packet Tracer lab, the component that is similar in concept to the Amazon Alexa app is software. The Amazon Alexa app is a software application that allows users to interact with the Amazon Alexa hardware device.
Similarly, in the lab, there would be a software component that enables users to interact with the hardware component being tested. Therefore, the answer is b) Software.