View 300-425 Exam Questions

Q: 11

A customer is concerned about mesh backhaul link security. Which level of encryption does the backhaul link use?

Options

Q: 12

An engineer has performed a predictive site survey for high-speed data and voice in an indoor office. What is the recommended data rate with -67 dBm signal level for optimal VoWLAN design?

Options

Discussion

Robin O. Mar 3, 2026 8:53 pm

C. That's the VoWLAN recommendation, matches standard Cisco design guides.

Emma Feb 19, 2026 1:00 am

C tbh, that's the Cisco standard for VoWLAN at -67 dBm. 12 Mbps on 802.11an balances coverage with quality for both voice and data. Maybe B if legacy clients, but pretty confident C is what they want here.

HelpfulTester6232 Mar 3, 2026 10:40 pm

Its C here. 12 Mbps on 802.11an lines up with Cisco VoWLAN design guides for high-speed data + voice, especially at -67 dBm. Lower rates are for legacy stuff, and 24 Mbps might cause coverage issues. I'd double-check official Cisco docs or the exam blueprint just in case, but pretty sure about this one.

Karan X. Mar 3, 2026 5:26 pm

C that's what Cisco recommends for VoWLAN with -67 dBm. Makes sense unless there's a specific legacy client need I'm missing.

Nina V. Feb 20, 2026 1:06 pm

Probably C here. For VoWLAN, the recommended minimum data rate is 12 Mbps on 802.11an with -67 dBm, since it supports both high-speed and voice and matches Cisco's best practices. A or B would keep legacy rates, but that's not ideal for modern networks. I think this is what most design guides push for, but happy to hear other takes.

Adam U. Feb 13, 2026 7:20 am

D imo

Drew Y. Feb 26, 2026 1:17 am

Does the question specify if legacy 802.11b clients need to be supported? If so, that could change which data rates you're supposed to design around since older clients might require different minimums.

Leo F. Feb 13, 2026 5:59 pm

Had something like this in a mock. Cisco VoWLAN guidance points to 12 Mbps on 802.11an as the minimum with -67 dBm for both voice and high-speed data. Pretty sure C is the pick here, unless legacy requirements come up.

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Q: 13

A university is in the process of designing a wireless network in an auditorium that seats 500 students and supports student laptops. Which design methodology should the university implement in the auditorium?

Options

Discussion

Aisha P. Feb 14, 2026 1:14 am

Pretty sure it's D since the main challenge is supporting a lot of clients in a tight space, which is what high-density design targets. Saw a similar question in practice sets. Open to other takes if someone thinks voice applies here.

Aisha Z. Feb 27, 2026 1:54 am

Maybe D, but only if they're expecting all seats filled and everyone having a device. If the room is rarely full or devices are staggered, it might be overkill. Anyone else run into edge cases on exam sims like this?

Grace H. Mar 2, 2026 1:29 am

For me, D here. High-density design is really about packing lots of users into one spot, which fits an auditorium perfectly. Voice models like B help with real-time comms but don't address hundreds of laptops all at once. Makes the most sense-anyone see a reason for another option?

Amelia E. Feb 21, 2026 3:06 pm

B or D? I picked B since voice models need robust coverage and can support a lot of devices, but now I'm wondering if that's just a trap. High-density is probably better, but voice always pushes for more APs too. Anyone else think B is reasonable?

Sanjay F. Feb 14, 2026 1:10 am

Gotta be D. If you have that many users packed in, only high-density design really fits.

Emma Feb 28, 2026 7:26 pm

Definitely D in this case. High-density design is the best fit when you have hundreds of students with laptops in one room. Roaming or voice models aren't meant for this kind of load, right?

Arjun Mar 4, 2026 10:04 pm

Probably D, since high-density is needed for so many users in a tight space.

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Q: 14

An AP is receiving 802.11 packets on its 802.11a radio with an RSSI value of -77 dBm. The current AP is part of an AP group that has been assigned an RF profile with RX-SOP set to Medium for 802.11 a. Which action does the AP take with the packets?

Options

Discussion

CalmEngineer3249 Mar 1, 2026 8:31 pm

Option D. With RX-SOP set to Medium for 802.11a, -77 dBm is still above the default rejection threshold, so the AP's 5 GHz radio would decode those frames. Pretty sure that's how Cisco implements it unless the profile got tweaked. Let me know if you saw custom thresholds on your exam.

Vikram R. Feb 26, 2026 12:04 am

Option A Had something like this in a mock and I picked A because I thought frames that weak weren't decoded, but now I'm not so sure. Medium RX-SOP sounded strict enough to filter out -77 dBm, at least in those labs.

Sanjay Mar 5, 2026 2:49 pm

C/D? I don't think it's A-Medium RX-SOP typically uses -80 dBm as the cut, so -77 dBm packets will still be decoded by the 5 GHz radio (D). Some people mix up custom thresholds, but unless specified, standard profile applies. Agree?

QuietConsultant5626 Feb 22, 2026 7:39 am

A , I remember reading in the official guide that if RX-SOP Medium was set stricter in a profile, weak frames like -77 dBm could be classified as non-Wi-Fi and ignored. Labs and exam reports mention similar cases.

Noah K. Feb 13, 2026 4:10 pm

I don't think it's A or C, those are the typical distractors when RX-SOP filtering is more aggressive. Since Medium usually ignores anything weaker than around -80 dBm, -77 dBm would still get decoded by the 5 GHz radio (802.11a). So D makes sense here. If RX-SOP was set stricter, it might be different, but that's not the case. Open to correction if I'm missing something!

Jason N. Feb 22, 2026 1:34 am

Looks like it’s D. RX-SOP Medium usually filters out weaker signals but -77 dBm should still be strong enough for the AP to decode on the 5 GHz (802.11a) radio. Saw a similar question in some exam reports.

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Q: 15

An engineer must create data-link redundancy for the company’s Cisco Wireless LAN Controller. The engineer has decided to configure LAG-based redundancy instead of port-based redundancy. Which three features of LAG-based redundancy influenced this decision? (Choose three.)

Options

Q: 16

An engineer changed the TPC Power Threshold for a wireless deployment from the default value to - 65 dBm. The engineer conducts a new post-deployment Survey to validate the results. What is the expected outcome?

Options

Discussion

Drew I. Feb 20, 2026 7:37 am

Probably D for decreased channel overlap. Upping the threshold should in theory tighten AP coverage, so less overlap, right? I might be missing something but that's what comes to mind. Anyone disagree?

Nora Feb 14, 2026 10:37 am

Option C

Chloe N. Feb 13, 2026 11:41 am

Not B, A

Noah F. Feb 15, 2026 9:24 am

Nah, I'd pick D here. Increasing the threshold usually means less channel overlap, not bigger cell sizes. Common trap in practice exams.

SeasonedReviewer771 Feb 13, 2026 11:24 am

Its A here. Changing the TPC Power Threshold to -65 dBm means the APs will use higher transmit power, so the coverage area (cell size) gets bigger. Pretty sure that's how Cisco expects it.

Nina W. Feb 24, 2026 2:54 am

I don’t think it’s D. A is correct since raising the TPC Power Threshold makes APs boost their transmit power, so coverage (cell size) actually increases. Trap here is thinking higher threshold means less overlap, but it's the opposite.

FriendlyDev4724 Feb 14, 2026 4:45 am

I don’t think C is right here. A is correct since increasing the TPC Power Threshold like that makes the APs push more power, so their cell size increases. Pretty sure that’s standard behavior, but let me know if I missed something.

Grace K. Mar 1, 2026 7:40 pm

Had something like this in a mock, it's A.

Olivia D. Feb 27, 2026 9:12 pm

Nah, it's A - D tricks people but raising the TPC threshold actually makes cells bigger.

Ravi A. Feb 19, 2026 4:35 pm

Seen similar in practice tests, A. Check the official guide for TPC topics.

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Q: 17

DRAG DROP Drag and drop the characteristics from the left onto the correct functionalities on the right.

Your Answer

Discussion

SanjayX Feb 16, 2026 3:03 am

I’m saying D for this one. Cisco config guide matches up with D for how those features are grouped, I think.

SharpMentor275 Feb 15, 2026 11:49 pm

Option D

Priya O. Feb 19, 2026 4:02 pm

Taylor G. Feb 14, 2026 4:01 am

Probably D

NoahS Feb 27, 2026 4:11 am

C/D? The screenshot from Cisco's official config makes me think it's one of those, still not 100% sure which since the feature mapping on radio resource management and band select shifts between default and high-density setups. Anyone got the latest config guide handy for this exact scenario?

Sam Feb 18, 2026 7:47 pm

Its D here. Looking at the screenshots from the Cisco config guide, the way the client steering and radio resource management features line up seems to fit D best. These drag-and-drop ones are tricky unless you follow Cisco's default mapping for things like band select, load balancing, etc. Pretty confident but let me know if you see something off with the features/columns.

Aisha Feb 28, 2026 4:23 am

How are you mapping the client steering features on this one? That image is pretty packed, not obvious to me.

CuriousEngineer7859 Feb 16, 2026 2:12 pm

Similar drag and drop came up on my exam, the characteristics lined up just like in the Cisco config guide.

JasonK Mar 2, 2026 9:00 pm

Is the question asking for the most secure function, or just a typical behavior? If it’s about the "best" practice, my answer could change since some options are similar but one is usually preferred for security reasons.

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Q: 18

An engineer is setting up the WLC to support a high-density design for a lecture hall. The engineer must modify the existing high-density RF protocol to obtain a smaller cell size. Also, the clients must connect to the nearest AP using the highest possible data rates. Which setting allows this design?

Options

Discussion

Ben C. Feb 16, 2026 9:06 pm

Is the main requirement to limit cell size or prioritize client distribution? If it's mainly about balancing connections, I'd pick B.

Avery T. Feb 25, 2026 6:30 am

C not D. D is tempting since RX-SOP helps with interference, but for actual cell size reduction power threshold (C) is what the exam looks for.

Amelia Feb 14, 2026 5:20 pm

Isn’t there a catch if the high-density protocol specifically wants to reduce co-channel interference rather than just shrink the cell? In that case, wouldn’t tweaking RX-SOP threshold (D) make more sense than just lowering power (C), since RX-SOP directly limits what signals get heard? But the question said "smaller cell size", so does it really rule out D?

Anita L. Mar 2, 2026 9:04 pm

Probably C. Lowering power threshold is always suggested in official study guides and labs for this type of high-density wireless scenario.

Robin V. Mar 1, 2026 11:40 pm

Its C, power threshold. Lowering the AP's transmit power will reduce the cell size which is needed for dense environments like lecture halls. This also pushes clients to connect to closer APs at higher data rates because they're not hearing distant APs as well. Pretty sure that's the main idea here, but happy to hear if anyone sees it differently.

Grace D. Mar 3, 2026 5:25 pm

C, Client distribution (B) helps balance users, but for shrinking cell size in high-density, power threshold (C) is the right setting here.

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Q: 19

A customer has two Cisco 550B WLCs that manage all the access points in their network and provide N+1 redundancy and load balancing. The primary Cisco WLC has 60 licenses and the secondary Cisco WLC has 40. The customer wants to convert the N+1 model to an HA model and provide SSO. Configuration must be performed during a maintenance window. After performing all the configurations on both controllers, the config redundancy unit secondary command is issued on the secondary Cisco WLC and it fails. Which parameter needs to be in place to complete the configuration?

Options

Discussion

DirectAuditor4845 Feb 25, 2026 3:34 am

Option B is right here. Secondary WLC must have at least 50 base licenses for HA SSO to work, otherwise the redundancy config won't go through. Ran into that in practice labs, pretty sure that's the blocker.

Ben W. Feb 28, 2026 3:14 am

Ran into this in a similar exam question, B. The secondary WLC needs at least 50 base licenses for HA SSO config to work. Could be tricky if you forget about the licensing requirement.

Riley Feb 17, 2026 1:13 am

So if the command fails on the secondary WLC, is it always because of license count or could mis-cabling (like RP port) cause similar issues? Curious if B is always the blocker here.

Noah X. Feb 13, 2026 10:35 am

D imo, since SSO has to be enabled for HA to actually work. I get why B trips people up, licensing is always a pain with Cisco, but if SSO isn't on the config step just won't complete. Open to other takes though.

Nora M. Feb 18, 2026 12:05 am

B, not D. The secondary WLC needs at least 50 base licenses or the HA config won't work.

FocusedConsultant2697 Feb 22, 2026 2:18 am

D tbh, Cisco makes you enable SSO for proper HA setup so I'd expect that step to be critical. License stuff is confusing, but config won't work until SSO's on if you ask me.

Daniel O. Feb 20, 2026 9:46 pm

Neha J. Feb 14, 2026 10:36 am

Probably B. I saw a similar question in the official guide, so would double-check WLC license requirements there.

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Q: 20

An engineer is designing a new wireless network. The network needs to ful¬ll the following requirements: ✑ support multimedia applications ✑ support a high concentration of wireless clients ✑ support data over wireless ✑ support roaming Which approach should be used?

Options

Discussion

Jack Z. Feb 15, 2026 7:00 pm

Option A, Saw this asked similarly on a practice test-the micro cells help manage high densities and roaming. Nice straightforward question.

Quinn Z. Feb 17, 2026 6:41 am

D , honestly Cisco's recommendations get confusing sometimes with all the cell sizing. I figured macro cells at max power would give broader coverage and help with roaming since fewer APs to switch between, and you'd still get data over wireless. Maybe I'm missing something about client density though 🤷🏻‍♂️

Sofia T. Feb 17, 2026 5:33 pm

A , micro cells at lower power let you handle a ton of clients in a small area and make roaming smoother since devices have more APs to associate with as they move. Big macro cells would get overloaded and cause interference, especially for multimedia apps. Pretty sure that's the standard approach for dense environments like campuses or stadiums. Disagree?

Skyler Feb 16, 2026 6:09 pm

Probably A. Micro cells with reduced power help manage lots of clients and minimize co-channel interference, which is key for supporting roaming and multimedia apps in dense environments. Macro cells risk overloading APs and create dead spots for high density. I think some might pick D due to coverage, but in practice, that's not ideal for client-heavy WiFi. Thoughts?

Layla R. Feb 19, 2026 7:37 pm

B , I'd check the official Cert Guide and practice exam for this. Macro cells with reduced power seem like they'd handle overlapping coverage and roaming pretty well in dense environments.

Neha O. Feb 22, 2026 7:00 pm

A tbh, micro cells handle more clients and roaming in dense areas way better.

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Question 11 of 20 · Page 2 / 2

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