Final answer:
The Layer 2 address field is the MAC address, while the Layer 3 address field is the IP address.
Step-by-step explanation:
The Layer 2 and Layer 3 address fields are part of the TCP/IP network protocol suite.
The Layer 2 address field is commonly referred to as the MAC address, which is a unique identifier assigned to a network interface card (NIC) by the manufacturer. It operates at the data link layer of the OSI model. It is usually represented as a 48-bit hexadecimal number, such as XX:XX:XX:XX:XX:XX.
The Layer 3 address field is called the IP address, which is used to identify devices on a network. It operates at the network layer of the OSI model. There are two versions of IP addresses: IPv4 and IPv6. IPv4 uses a 32-bit address and is typically represented as four decimal numbers separated by periods, such as XXX.XXX.XXX.XXX. IPv6 uses a 128-bit address and is represented as eight groups of hexadecimal numbers separated by colons, such as XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX.