Two addressing schemes discussed are LAN Addressing (NIC) and Internet Addressing (IP). Which option lists this correctly?

Two addressing schemes discussed are LAN Addressing (NIC) and Internet Addressing (IP). Which option lists this correctly?

• A. LAN Addressing (NIC) and Internet Addressing (IP)
• B. Wireless addressing
• C. IP addresses only
• D. MAC addresses only

Answer: (A)

In networks, addressing happens at two levels: the data link layer uses LAN addressing tied to the NIC (MAC addresses) for local communication on a network segment, while the network layer uses Internet addressing (IP addresses) to route data between networks. The option that lists both—LAN Addressing (NIC) and Internet Addressing (IP)—correctly captures this dual perspective. MAC addresses identify devices on the local network, ensuring frames are delivered within that LAN, while IP addresses provide the addressing needed to route packets across multiple networks. The other options fail to reflect both schemes: wireless addressing isn’t a standard paired concept here, IP addresses only omits the local MAC addressing, and MAC addresses only covers the local link layer without routing across networks.

In networks, addressing happens at two levels: the data link layer uses LAN addressing tied to the NIC (MAC addresses) for local communication on a network segment, while the network layer uses Internet addressing (IP addresses) to route data between networks. The option that lists both—LAN Addressing (NIC) and Internet Addressing (IP)—correctly captures this dual perspective. MAC addresses identify devices on the local network, ensuring frames are delivered within that LAN, while IP addresses provide the addressing needed to route packets across multiple networks. The other options fail to reflect both schemes: wireless addressing isn’t a standard paired concept here, IP addresses only omits the local MAC addressing, and MAC addresses only covers the local link layer without routing across networks.