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Which of the following is true when comparing LAN and WAN protocols?

Which of the following is true when comparing LAN and WAN protocols?

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A.
WAN environments can introduce more errors in transmission, so these protocols are usually connection-oriented.

B.
LAN environments can introduce more errors in transmission, so these protocols are usually connection-oriented.

C.
WAN protocols are usually connectionless because they have to transverse so many different network types.

D.
LAN protocols are usually connection-oriented because of the amount of collisions that can take place on the network.

Explanation:
Communication error rates are lower in LAN when compared to WAN
environments, which makes sense when you compare the complexity of each environment.
WAN traffic may have to travel hundreds or thousands of miles and pass through
several different types of devices, cables, and protocols. Because of this
difference, most LAN media access control protocols are connectionless and most WAN
communication protocols are connection-oriented. Connection-oriented protocols
provide reliable transmission, because they have the capability of error detection
and correction.

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