How does the ping command work by default?

It sends an ICMP Echo RequesI lo a remote host and warts to receive an ICMP Echo Response in return.

It sends an ARP request to a remote host and waits to receive an ARP response in return.

It sends a TCP SYN packet to a remote host and waits to receive an TCPACK response in return.

It sends a broadcast packet to all hosts on the net and waits to receive, among others, a response from the target system.

It sends a UDP packet to port 0 of the remote host and waits to receive a UDP error response in return.