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

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Total 600 questions

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

Explanation:

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

Explanation:

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

Explanation:

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

Explanation:

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

Explanation:

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Total 600 questions