Your question is Ping Port and Networking. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
What port does ping operate on?
Answer directly and distinguish between a transport-layer port and an IP protocol number. Include the relevant IPv4 and IPv6 details, and briefly explain how you would verify the behavior on a Linux host.