When a host on network A sends a message to a host on network B, which address…
20072007
When a host on network A sends a message to a host on network B, which address does the router look at?
- A.
Port
- B.
IP
- C.
Physical
- D.
Subnet mask
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Correct answer: B
When a host on network A sends a message to a host on network B, the router operates at the Network Layer (Layer 3) of the OSI model. It examines the destination IP address in the packet header to determine how to forward the data across different networks. Physical addresses are used for local communication, but IP addressing is required for inter-network routing.
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