CCNP Wireless FAQ: Providing Broadband Wireless Internet Access

Q1. A WISP is an extension of a wired ISP. True or false?

Answer: True.

Q2: WISPs have been around since about 1995. True or false?

Answer: True.

Q3. The most profitable wireless markets are those where broadband DSL and cable Internet access are already available. True or false?

Answer: False. The most profitable wireless markets are those whereDSLand cable Internet access are not available.

Q4. The mobile market where users stay connected while driving around is the easiest market to serve. True or false?

Answer: False. The mobile market is the hardest to serve.

Q5. Customers pay you to deliver bandwidth, not throughput. True or false?

Answer: False. Customers pay you to deliver throughput.

Q6. You can be successful in the wireless business even if you don’t understand the meaning of decibels. True or false?

Answer: False. To be successful in the wireless business, you must understand how to work with decibels.

Q7 All 802.11b equipment brands work with all other 802.11b equipment brands with no problems. True or false?

Answer: False. Often, software incompatibilities result in equipment that does not work well together.

Q8. Why do wireless collisions reduce throughput?

Answer: Collisions reduce throughput because each collision wastes a time slot that could have carried useful traffic.

Q9. The higher the percentage of retransmitted packets, the lower the network throughput. True or false?

Answer: True.

Q10. You should always sell all the throughput that your network is capable of delivering. True or false?

Answer: False. You should leave some throughput unsold to be sure that your network does not crash if heavy interference suddenly develops.

Q11. The best way to deal with a WISP competitor is to add an amplifier. True or false?

Answer: False. The best way to deal with aWISPcompetitor is to meet with him and propose that you both cooperate and coordinate.

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