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CWNP Exam CWNA-109 Topic 5 Question 5 Discussion

Actual exam question for CWNP's CWNA-109 exam
Question #: 5
Topic #: 5
[All CWNA-109 Questions]

ABC Company is planning to install a new 802.11ac WLAN, but wants to upgrade its wired infrastructure first to provide the best user experience possible. ABC Company has hired you to perform the RF site survey. During the interview with the network manager, you are told that the new Ethernet edge switches will support VoIP phones and 802.11 access points, both using 802.3 PoE.

After hearing this information, what immediate concerns do you note?

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Suggested Answer: A

An immediate concern that you note after hearing this information is thatthe power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices. PoE stands for Power over Ethernet and is a technology that allows Ethernet switches to deliver power along with data to devices such as VoIP phones and 802.11 access points. PoE devices are classified into different classes based on their power consumption and output. The edge switches have a limited power budget that determines how many PoE devices they can support simultaneously. If the power budget is exceeded, some PoE devices may not receive enough power or may shut down unexpectedly. Therefore, it is important to plan and monitor the power budget in the edge switches based on the number and class of PoE devices connected to them. Using Ether-channel, placing switches in optimal locations, or avoiding distortion are not immediate concerns related to PoE devices.Reference:[CWNP Certified Wireless Network Administrator Official Study Guide: Exam CWNA-109], page 234; [CWNA: Certified Wireless Network Administrator Official Study Guide: Exam CWNA-109], page 224.


by Rodolfo at Jun 24, 2024, 12:42 PM

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Nana
10 months ago
I'm just wondering, do these switches come with a built-in crystal ball to predict the future power needs? Seriously, that power budget planning is going to be crucial!
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Camellia
11 months ago
Haha, good luck finding the 'optimal' switch locations that work for both VoIP and wireless! Sounds like the network manager is in for some serious trial and error on that one.
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Alise
9 months ago
Haha, good luck finding the 'optimal' switch locations that work for both VoIP and wireless! Sounds like the network manager is in for some serious trial and error on that one.
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Werner
9 months ago
B) The edge Ethernet switches should support Ether-channel to get the best results out of the network.
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Dortha
10 months ago
A) The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices.
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Ailene
10 months ago
Haha, good luck finding the 'optimal' switch locations that work for both VoIP and wireless! Sounds like the network manager is in for some serious trial and error on that one.
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Ty
10 months ago
B) The edge Ethernet switches should support Ether-channel to get the best results out of the network.
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Tammy
10 months ago
A) The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices.
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Annmarie
11 months ago
I see your point, Timothy. It's important to consider the optimal locations for both devices.
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Bobbie
11 months ago
Putting VoIP phones and APs on the same switches? That's a recipe for disaster! The distortion and interference issues could be a real headache. Definitely need to separate them onto different switches.
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Bev
10 months ago
C) VoIP phones and 802.11 access points should not be powered by the same edge switch due to distortion.
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Wava
10 months ago
A) The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices.
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Edna
11 months ago
Ether-channel is a great idea to get the most out of the network! Combining multiple links for increased bandwidth and redundancy will really help handle the increased traffic from the VoIP and wireless devices.
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Timothy
11 months ago
D) If the switches are in optimal locations for VoIP phones, they are likely to be suboptimal locations for 802.11 APs.
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Ashley
11 months ago
The power budget is definitely the biggest concern here. With VoIP phones and 802.11 APs sharing the same PoE switches, the network manager needs to be really careful in planning and monitoring the power requirements.
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Roslyn
10 months ago
D) If the switches are in optimal locations for VoIP phones, they are likely to be suboptimal locations for 802.11 APs
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Layla
10 months ago
A) The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices.
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Titus
10 months ago
B) The edge Ethernet switches should support Ether-channel to get the best results out of the network.
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Vicente
10 months ago
A) The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices.
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Nadine
11 months ago
I agree with Raina, power budget is crucial for supporting PoE devices.
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Raina
11 months ago
A) The power budget in the edge switches must be carefully planned and monitored based on the number of supported PoE devices.
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