How to prep for a data engineer test on hackerrank

Answer the car to the left must yield the right of way to the vehicle on the right;

Once the twisted pair cable is connected and a network is established the led lights at the back of the computer should be steady. on most ethernet adapters nowadays, a steady green light means that the connection is actively connected to a valid partner at the opposite end. if the status of the led starts flashing, this means that there’s some activity and data is being transferred.

First, what does the figure look like? i can't tell you what it is if you don't have one up it will make people confused and can't answer the question, not trying to be rude just stating a fact.