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Question 525

A wireless network technician is receiving reports from some users who are unable to see both of the corporate SSIDs on their mobile devices. A site survey was recently commissioned, and the results verified acceptable RSSI from both APs in all user areas. The APs support modern wireless standards and are all broadcasting their SSIDs. The following table shows some of the current AP settings:

Which of the following changes would result in all of the user devices being capable of seeing both corporate SSIDs?

    Correct Answer: D

    The most effective change to ensure that all user devices can see both corporate SSIDs would be configuring both APs to use the 802.11ac wireless standard. The current issue could stem from the fact that 802.11a operates on the 5GHz band and 802.11b operates on the 2.4GHz band. By moving to the 802.11ac standard, which supports both 2.4GHz and 5GHz frequencies and offers high compatibility with modern devices, it is likely that the visibility issue will be resolved, allowing all devices to see both SSIDs.

Discussion
DuubzOption: D

This question makes no bloody sense. A. Implementing WPA2 - this clearly wont make a difference to being able to "see" the SSIDs B. Omnidirectional antennas - they're already had a site survery and the question specifically says that the signal strength is fine everywhere for both APs C. Highest power setting - see above D. Using 802.11ac - devices only supporting 2.4ghz won't be able to see the SSID Why do they even have separate APs and SSIDs for the 802.11b and 802.11a networks?? Why don't they do the sensible thing and upgrade to a 802.11ax network?? Why am I wasting my time on this question instead of just moving on and praying I don't get it in my exam tomorrow??!!

ladwagon

Hope you made it my dude, the day before big tests is rough

arokace1

Welcome to CompTIA testing... half the questions don't make sense and the other half is missing information and then all of them fall under a 'non-reality' scenario that you would never actually fall into.

madperkOption: D

“A site survey was recently commissioned, and the results verified acceptable RSSI from both APs in all user areas.“ a site survey would show the deficit in RSSI which the scenario clearly states is NOT the issue. 802.11a operates at 5GHz and 802.11b operates @ 2.4 GHz. 802.11ac is backwards compatible with both 5 and 2.4 GHz and can auto negotiate with Wi-Fi device that use these standards.

minx98

yessir

mikee264

802.11ac is not backwards compatible with the 2.4GHz range, only the 5GHz range.

Timfdklfajlksdjlakf

In the actual exam there's an AX answer option which makes sense

ep0chOption: B

I think switching both to omnidirectional is the most logical answer. Only some users are reporting this issue, they could be outside (behind) the directional antenna.

ufolicius

i agree with you on that one. Since the AP2 is directional you will only recieve the strong singal out of one direction.

CookieChipOption: B

B. Implementing omnidirectional antennas for both APs

3YcamOption: D

I would go for D. Configuring both APs to use the 802.11ac wireless standard. Another bad question but I would go for D. I think what they are getting at is that not all client devices work on 5Ghz network. As the Wi-Fi survey has ruled out its not an RSSI or power levels it is not about antennas etc. I believe they want you to select a wireless standard that covers both 2.4 and 5ghz so all devices can connect. I know that there is confusion around 802.11ac, however it does does work with 2.4GHz devices. look it up!

kinny4000

No it doesn't

kinny4000

But it is a more modern standard, so mobile devices may be more likely to connect to it

JellerNEXUSOption: B

This is the answer.

JB1705Option: D

among all D seems to make sense since AC is MU-MIMO that will help.

Biancoega10Option: D

It's D for sure.

Biancoega10Option: D

D for sure.

b0bbyOption: D

Here we go again. Before i read the question saw 4 problems with the image. But the question says that the RSSI is good is all users area. (this is assuming of course that they mean someone checked multiple spots and confirmed strength is good and not just check the system settings for the AP because then the answer B comes back into play) that means you the power level and direction is good. Now I'm stuck between A and D because of the stuff not said. Was there a MDM Mobile Device Manager installed on the phones not allowing them to connect to a WPA2-psk. Are they implying that 802.11ac allows 2.4 ghz at 802.11n. Someone said the answer was changed to 802.11AX. In general they should be required to change it to that even though it doesn't really solve the problem. I'm going to answer D not cause its the right answer. Just it's inhumane to expect people to work at 11Mbps.

subaie503Option: D

Configuring both APs to use the 802.11ac wireless standard: 802.11ac is backward compatible with 802.11n, and most modern devices support it. It operates on both 2.4 GHz and 5 GHz bands, which would likely solve the visibility issue for most modern devices.

BigDazza

nope sorry, 802.11ac is only backward compatible with 802.11a, the only other pre-existing 5GHz freq wifi Generation.

AfroBro87Option: B

I don't believe changing the encryption to WPA2 will increase visibility for the devices. You could make an argument that increased power might help, but I would imagine this would be more meaningful if one was set to high and the other set to low Configuring both APs to use 802.11ac likely is incorrect because it is only backwards compatible N at 5GHz, not the 2.4GHz band. By making both AP's omnidirectional, it appears that the scope of the AP will increase for all users.

Payu1994Option: D

The correct answer is D. Configuring both APs to use the 802.11ac wireless standard. The 802.11ac standard is a more recent wireless standard that offers higher throughput and better range than older standards1. If some devices are not seeing both corporate SSIDs, it could be because those devices are not compatible with the wireless standard currently used by the APs1. By configuring both APs to use the 802.11ac standard, which is widely supported by modern devices, it would increase the likelihood of all user devices being able to see both corporate SSIDs1.

cezar_Junior2610Option: B

Based on the given information, the most appropriate change to ensure that all user devices can see both corporate SSIDs would be: B. Implementing omnidirectional antennas for both APs Explanation: The issue here is that some users are unable to see both corporate SSIDs on their mobile devices. This indicates that the problem lies with the coverage or signal propagation of the access points (APs). The fact that the site survey verified acceptable RSSI (Received Signal Strength Indication) suggests that the power settings of the APs are likely sufficient.

I_Know_Everything_KY

Incorrect: Question clearly states, "A site survey was recently commissioned, and the results verified acceptable RSSI from both APs in all user areas" which discounts coverage. The second part of your explanation contradicts the first.

[Removed]Option: D

as madperk said