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Exam 300-425 All Questions

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Exam 300-425 topic 1 question 58 discussion

Actual exam question from Cisco's 300-425
Question #: 58
Topic #: 1
[All 300-425 Questions]

An engineer is designing a new wireless network. The network needs to meet these requirements:
✑ support a high wireless client concentration
✑ support data over wireless
✑ support voice over wireless
✑ avoid interference
Which design approach should be taken?

  • A. 5 GHz frequency band with channel bonding, to support 40 MHz channels
  • B. 5 GHz frequency band without channel bonding, to support 20 MHz channels
  • C. 2.4 GHz frequency band without channel bonding, to support 20 MHz channels
  • D. 5 GHz frequency band with channel bonding, to support 80 MHz channels
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Suggested Answer: B 🗳️

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Johnconnor2021
Highly Voted 3 years, 5 months ago
B - to avoid interference you have to have a higher SNR as possible. While doing Channel bonding you add noise. Besides, high wireless clients concentration demand needs to have a high SNR and to avoid Co-Channel interference. I quote: "One of the hallmarks of a high-performing WLAN is channel reuse. This is the practice of deploying channels in such a manner that they limit the amount if CCI introduced into the environment. The best way to achieve this is by having as many channels to deploy as possible. While a 20MHz channel will not achieve the higher data rates that are advertised with 80MHz, clients can still reach acceptable speeds, allowing you to optimally use each bit of available airtime." https://www.ekahau.com/blog/channel-planning-best-practices-for-better-wi-fi/
upvoted 7 times
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mafiaz
Highly Voted 3 years, 6 months ago
has to be B
upvoted 7 times
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Farhad123
Most Recent 7 months, 2 weeks ago
B is the correct answer
upvoted 1 times
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Bandito
1 year, 3 months ago
Selected Answer: B
B, obviously
upvoted 2 times
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RSC357
2 years, 8 months ago
Selected Answer: B
Agreed with all other comments
upvoted 2 times
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atryo
2 years, 10 months ago
Selected Answer: B
Agreed with all other comments, definitely B.
upvoted 2 times
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Ram0n_Aya1a
2 years, 11 months ago
For high wireless client concentration is not good idea to have channel bonding B is correct
upvoted 1 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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