Ann, a user, reports that after setting up a new WAP in her kitchen she is experiencing intermittent connectivity issues. Which of the following should a technician check FIRST?
I've seen this question posted elsewhere with the choices
A. Correct WiFi password
B. Frequency
C. Antenna power level
D. SSID
On that one it said SSID but that doesn't really have anything to do with intermittent connectivity; SSID would make sense if they couldn't see the network, but it says intermittent indicated that it sometimes works and sometimes doesn't.
I was leaning towards channel but considering it's not explicitly stated there are other waps in use; along side with channels not being listed as an answer on the other site. I think it's supposed to be frequency.
Kitchens have a lot of devices and some of those devices may interfere with the frequency, also it's not stated that other rooms are having the same issue.
It could be Antenna power, but we're not told that it works in some rooms vs others.
So I'd ultimately go with B - Frequency.
Frequency is basically the same as Channel.
There are arround 11 channels and each has their frequency. So yes if the question do not list Channel, which is by my opinion correct, than I would also go with Frequency.
just one question. Do people really put WAPs in their kitchen literally so many things that could interfere frequency wise in the kitchen I just don't get it.
Channel is the easiest answer, assuming the intermittent disconnection was due to interference. since sorting a new frequency might be tasking, a new channel has its unique frequency range to choose from.
Frequency is a choice b/t 2.4 GHz and 5 GHz. Microwaves cause interference on the 2.4 GHz frequency. Switching to 5 GHz would be the most obvious choice to eliminate interference. I don't think channels really gets to the issue, as that overlooks the obvious...that channels on the 2.4 GHz range are being interfered with. In that case, why stay with 2.4 GHz, when one can simply eliminate the issue by using 5 GHz? That's my two cents.
Same thought process here, switching from channel 1 to 6 really doesn't help that much. The scenario is kinda vague but every time I hear kitchen it reminds me of the microwaves and their frequencies being detrimental.
For the case of Channels. I would think the question stated "new" wap so it probably means she has another wap or router/wifi/switch in the house somewhere which could "interfere" that's why channels would be the First one the tech should check. kinda confusing but this is my opinion on the matter
I've seen this question in another site and the correct answer is Channels. Anyway channels are literally defined by a certain frequency range so are both correct
I got it down to "A" and "B", but had couldn't remember if it was it messes with the channels or the frequency when a WAP is in a kitchen. They're so similar that it's hard to remember the difference between them.
Channels and frequency are related but different.
Frequency is the frequency range that the access point is operating on (i.e. 2.4GHz or 5GHz).
Channel is the frequency band within that range that the access point is transferring data on.
For example the 2.4GHz band uses frequencies between roughly 2.4 and 2.9GHz. If a router is running on 802.11g then it divides this range into various "channels" of 20MHz each (there's overlaps and gaps left etc but you get the idea) which gives you the channels you can select in your router settings to avoid transmitting on the same little block of frequency as anyone else around you.
In this context you are looking for frequency. As others have mentioned the access point is in a kitchen that could have a microwave (which commonly emit 2.45GHz) which could easily interfere with a 2.4GHz signal
if the user's WAP is in the kitchen it would make sense to check frequency since of microwave interference, which is most likely what comptia is trying to get at here. I wouldnt think to hard about this one, seems pretty straight forward.
If Channels and Frequencies are essentially interchangeable in this case, I think both are nixed...especially since Channels was not included in another version of selectable options. As noted by Zibertek. Think this through logically and simply using the CompTIA troubleshooting theory. ID the problem FIRST excluding the obvious. Ann may not even be connected to the correct SSID, so let's FIRST make sure we are troubleshooting the correct SSID before we get into channels and frequencies. Ann could be connected to an open SSID belonging to her neighbor which would explain the intermittent connectivity. Check the SSID FIRST. Cheerio...
SSID barely has any effect on connectivity. It's just a name that it broadcasts itself with. Also it doesn't change by itself.
Since it's in the kitchen, there are probably other devices that are talking on the 2.4Ghz wave in many channels, thus interfering with the WAP's signal.
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