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Exam 300-425 All Questions

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Exam 300-425 topic 1 question 40 discussion

Actual exam question from Cisco's 300-425
Question #: 40
Topic #: 1
[All 300-425 Questions]

A technician connects a Cisco Aironet 3700 Series AP to a switch and realizes that the AP is coming up with 3x3 MIMO. What explains this behavior?

  • A. A redundant power supply is unavailable on the switch.
  • B. The switch is 802.3af capable.
  • C. The AP is getting power from a power injector.
  • D. The switch is PoE+ capable.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by kaimi at Sept. 14, 2022, 5:17 p.m.

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Love2Cod3
4 months, 3 weeks ago
Selected Answer: B
Provided answer (B) is correct. "The access point is downgraded to 3x3 when it is connected to a 15.4W supply. For the access point to operate at its full potential, using an 802.3at PoE switch or AIR-PWRINJ4 power injector is recommended." https://www.cisco.com/c/en/us/td/docs/wireless/access_point/3700/quick/guide/ap3700getstart.html#pgfId-42186
upvoted 1 times
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Farhad123
8 months, 2 weeks ago
802.3af = PoE (15.4 watts) 802.3at = PoE+ (25.5 watts)
upvoted 1 times
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ShamsDimashki
10 months ago
Selected Answer: D
The power required for this release is: 19.6 (meaning it's POE+)
upvoted 1 times
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FabriG
2 years, 4 months ago
Selected Answer: B
According to Cisco ENWLSD Course, it is B.
upvoted 4 times
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Macintosh_and_Merida
2 years, 6 months ago
Selected Answer: B
802.3af is PoE, not PoE+, which provides 15.4W and reduces AP capabilities. Answer B is correct.
upvoted 4 times
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DB1991
2 years, 6 months ago
The access point is downgraded to 3x3 when it is connected to a 15.4W supply 802.3af - IEEE 802.3af-2003 PoE standard provides up to 15.4 W of DC power
upvoted 3 times
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Antasik
2 years, 7 months ago
Selected Answer: B
From Datasheet: PoE 802.3af - 3700 - No external module installed - 3x3:3 on 2.4/5 GHz
upvoted 3 times
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wili0001
2 years, 8 months ago
answer b
upvoted 2 times
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kaimi
2 years, 8 months ago
802.3af delivers 15.4W which downgrades the AP to 3x3. If it was a POE+ switch then you would get 30W of power and the AP would be able to use it's full features but the question is only asking about 3x3 MIMO. https://www.cisco.com/c/en/us/td/docs/wireless/access_point/3700/quick/guide/ap3700getstart.html
upvoted 4 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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