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PW0-105 · Question #160

If an 802.11 RF signal reaches a receiving antenna simultaneously by direct and indirect (reflected) paths, what effect might the reflected signal have on the signal that took the direct line…

The correct answer is D. The direct signal will be attenuated if the indirect signal arrives simultaneously at the receiver, but 90 out-of-. Exam Questions, Study Guides, Practice Tests. Lead the way to help you pass any IT Certification exams, 100% Pass Guaranteed or Full Refund. Especially Cisco, CompTIA, Citrix, EMC, HP, Oracle, VMware, Juniper, Check Point, LPI, Nortel, EXIN and so on. Our Slogan: First Test…

Basic RF Principles

Question

If an 802.11 RF signal reaches a receiving antenna simultaneously by direct and indirect (reflected) paths, what effect might the reflected signal have on the signal that took the direct line- of-sight path?

Options

  • AThe direct signal will be amplified. The amplification results in a signal that is stronger at the receiving
  • BThe direct signal will not be received if the indirect signal is greater than 90 out-of-phase.
  • CAdjacent channel interference will occur. The interference creates distortion of the signal, rendering it corrupt
  • DThe direct signal will be attenuated if the indirect signal arrives simultaneously at the receiver, but 90 out-of-
  • ECo-channel interference occurs. The interference causes attenuation and phase inversion of the direct signal.

How the community answered

(44 responses)
  • A
    2% (1)
  • B
    2% (1)
  • C
    11% (5)
  • D
    77% (34)
  • E
    7% (3)

Explanation

Exam Questions, Study Guides, Practice Tests. Lead the way to help you pass any IT Certification exams, 100% Pass Guaranteed or Full Refund. Especially Cisco, CompTIA, Citrix, EMC, HP, Oracle, VMware, Juniper, Check Point, LPI, Nortel, EXIN and so on. Our Slogan: First Test, First Pass. Help you to pass any IT Certification exams at the first try. You can reach us at any of the email addresses listed below. Any problems about IT certification or our products, you could rely upon us, we will give you satisfactory answers in 24 hours.

Topics

#multipath#RF reflection#signal attenuation#phase shift

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