CCNP Wireless FAQ: Solving Noise and Interference Problems Q1. For reliable network operation, signal strength is more important than SNR. True or false? Answer: False.SNRis more important than signal strength. Q2. A reliable wireless link needs a line-of-sight path and an unobstructed Fresnel zone. True or false? Answer: True. Q3. Will the noise level always be low in a … [Read more...]