Review Questions
1: | For reliable network operation, signal strength is more important than SNR. True or false? |
2: | A reliable wireless link needs a line-of-sight path and an unobstructed Fresnel zone. True or false? |
3: | Will the noise level always be low in a rural area? |
4: | How many nonoverlapping 2.4 GHz channels are available for use in the United States? |
5: | The consequence of a low SNR is reduced network throughput. True or false? |
6: | Reusing a DSSS frequency at the same AP location requires how many decibels of antenna isolation? |
7: | To avoid interference, collocated FHSS sectors should use different hopping sequences and different hopping sets. True or false? |
8: | When is the SNR highest at an AP? |
9: | When the percentage of retransmitted packets reaches 20 percent, ... |
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