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Question

Router uses network layer. This means.

A
It may support different network topologies such as TCP/IP and SNA
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B
It provides addressing, data connectivity and switching
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C
They are not protocol sensitive
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D
None of the above
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Solution

The correct option is B It provides addressing, data connectivity and switching

Router uses network layer. This means It provides addressing, data connectivity and switching.

A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet. ... Then, using information in its routing table or routing policy, it directs the packet to the next network on its journey.

Routers are used to connect a WAN or WANS to your LAN or connect dissimilar networks together. Routers can be used to filter and isolate traffic or segment network traffic like switches. The differences of a router and switch can be confusing. ... In contrast, a switch can recognize only one path between networks.

Devices that operate at the link layer (most often Ethernet today) would include switches or bridges. Routers operate on the Internet layer of the TCP-IP model. The Internet layer is synonymous with the Network layer of the OSI model.


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