What does a router use to make a forwarding decision?
A) UDP port number
B) IP address
C) Application name
D) MAC address
E) TCP port number
F) Flips a coin
The answer: B) IP address
A router is an OSI layer 3 device, and it makes all of its forwarding decisions by evaluating the destination IP address.
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Want to know more? Watch “Network Devices.”We use many different network devices to connect our devices together. In this video, you’ll learn about hubs, switches, routers, firewalls, and much more. |
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