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[10 points] Why simple switches only need to implement the bottom two layers?

Which error detection method involves polynomials?

[10 points] How can hidden terminals be detected in 802.11 networks?

[10 points] Briefly describe the three important differences between a wired link and a wireless link.

Which error detection method uses one’s complement arithmetic?

If an Ethernet destination address is 08:07:06:05:44:33, then this is an ______ address.

In bit stuffing, we sometimes need to add an extra  ___________ bit in the payload.

In _________, auto-negotiation allows two devices to negotiate the mode or data rate of operation.

SONET uses _______ TDM multiplexing.

A checksum can  _________ errors.