Cisco 200-355 - CCNA Wireless Implementing Cisco Wireless Network Fundamentals Exam

Question #1 (Topic: RF Fundamentals)
In the current RF environment, the noise floor is -95 dBm. A tablet needs an SNR of 25 dB to transmit at the required speed. What must the RSSI cell edge be to
meet the required SNR?
A. -120 dBm B. -90 dBm C. -70 dBm D. -60 dBm E. -50 dBm
Answer: C
Question #2 (Topic: RF Fundamentals)
An access point is currently transmitting at 4 mW. The customer needs to increase its signal strength by 6 dB to create a larger wireless cell. What should the new
transmit power be?
A. 8 mW B. 10 mW C. 12 mW D. 16 mW E. 24 mW
Answer: D
Question #3 (Topic: RF Fundamentals)
A wireless engineer has been asked to plan a deployment covering the aisles of a warehouse with optimal coverage while bleeding RF across aisles. Which
antenna type provides the necessary coverage?
A. patch B. omnidirectional C. Yagi D. parabolic dish
Answer: A
Question #4 (Topic: RF Fundamentals)
Which two principles must be considered when deploying a wireless network through a wooded area? (Choose two.)
A. absorption B. reflection C. diffraction D. scattering E. refraction
Answer: AD
Question #5 (Topic: RF Fundamentals)
What is an interferer that an engineer may see in Cisco CleanAir?
A. microwave ovens B. rogue APs C. malicious clients D. co-channel interference
Answer: A
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