1.10. Answers to Review Questions

  1. B. A star topology uses a hub as a central point of communication. A ring topology uses a multiple station access unit. A mesh topology does not have a central hub.

  2. A. Ethernet uses the CSMA/CD carrier access method to communicate. Token Ring and FDDI use a token-passing method. Bus is a topology, not a technology.

  3. D. The IEEE 802.11g wireless standard uses the 2.4GHz radio band to communicate at 54Mbps. The 802.11a standard uses the 5Ghz band to communicate at 54Mbps, but is not widely used. The 802.11b standard uses the 2.4GHz band to communicate at 11Mbps. 802.11x is the general name for the widely used family that uses DSSS on the 2.4GHz band.

  4. C. The maximum distance the 100BASE-FX can transmit is 20 kilometers. ...

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