Free 300-425 Practice Test Questions and Answers (2026) | Cert Empire

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Cisco 300-425

Q: 1

A wireless network consists of: • two IOS XE controllers installed in a data center • 9100 series APs • corporate and a guest WLAN The customer must high availability pair two Cisco WLCs for the client SSO. Which two design approaches must the engineer take to meet the requirement? (Choose two.)

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Discussion

Aisha N. Jul 29, 2026 12:01 pm

B and D. I thought both controllers needed matching service port IPs for HA, plus unique redundancy management IPs.

Piya K. Jul 23, 2026 5:35 pm

C/D? I remember practice labs plus the Cisco doc both point to D and E as required for WLC SSO setup. You need unique redundancy IPs and the same software version, not matching licenses. Anyone see official guide list it differently?

Sanjay S. Aug 10, 2026 1:08 pm

I don’t think A is required, D and E are the real must-haves here. License count can be a trap.

Ben E. Aug 7, 2026 1:57 am

Why did you pick B instead of E? Pretty sure same OS version is a requirement for client SSO HA pairing.

Rowan R. Jul 27, 2026 1:03 am

C/B tbh, Cisco official guide or practice test questions seem to focus more on port IPs and license count for SSO pairing.

AaronB Jul 31, 2026 4:49 pm

Pretty sure A and D, because I thought license count matters for pairing in HA and unique redundancy IP is always needed. I don’t think service port IP needs to match here, but maybe I'm missing something about the OS version trap option.

Emma F. Jul 24, 2026 1:22 pm

Option A

Sean J. Aug 4, 2026 2:57 am

Its D and E, but only if you don’t mix up standby IPs. Seen reports where same OS version was missed and SSO failed.

Nora Q. Jul 21, 2026 11:32 pm

D and E tbh, saw a similar question on a practice test. Unique redundancy management IP and matching OS version are always called out for SSO. Never needed same license count for client SSO in lab setups.

Sanjay Jul 27, 2026 6:41 am

D imo, but also E sounds right based on what I recall from the official guide and some lab scenarios.

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Q: 2

During a wireless design all APs are mapped to designated controllers in case of a failure. The controllers are located in the same data center but in different racks. An AP failed over to a controller that was not defined on its High Availability tab. The customer does not want the AP to move back to its defined Cisco WLCs until they manually intervene. What needs to be addressed in the design?

Options

Discussion

Arjun T. Jul 21, 2026 8:41 pm

Option B. Was it specifically asked for the AP not to revert automatically, or would auto-fallback be preferred if the original controller becomes available? That would change if A or B is correct here, since fallback setting is key.

Arjun P. Jul 30, 2026 7:38 pm

Probably B

VikramG Jul 31, 2026 11:53 am

Yeah, you need B for manual AP return. Fallback enabled (A) would move them back automatically.

Grace P. Jul 31, 2026 3:29 am

B , disabling AP fallback is what keeps the AP on the backup controller until someone manually moves it back.

HelpfulDev7207 Jul 24, 2026 11:06 am

B, not A

Jack H. Aug 10, 2026 9:11 am

B tbh, fallback enabled (A) would force APs back to their WLC, which isn't what the customer wants.

Ravi T. Aug 3, 2026 5:57 pm

B. that's what I've seen on similar practice. Official guide spells out the fallback settings for manual intervention situations.

Sara Y. Aug 3, 2026 12:42 pm

Nah, I think B is correct. A is a trap since fallback enabled would auto-return the AP.

Meera Jul 31, 2026 6:39 am

C , since changing the secondary HA unit sounds like it could control failover behavior.

Adam C. Jul 30, 2026 3:17 am

I don’t think it’s A in this scenario. Since the customer wants to avoid automatic switchover, B is the way to go. Setting AP fallback to disabled keeps the AP on the new WLC until someone moves it manually. Pretty sure that’s how Cisco handles this, but always worth double-checking controller settings.

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Q: 3

The wireless survey report shows APs staggered throughout a facility, with several of them placed on the exterior walls. Other APs are located at building corners and major turns in the structure layout. Assuming that all survey locations are optimized with a minimum of -67 RSSI at cell edges with 20% overlapping cells, for which purpose is this survey model used?

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Discussion

Skyler U. Aug 8, 2026 12:30 pm

My pick: A - APs on exterior walls and corners lines up with location services coverage so I think this fits best. Not 100% but that's what I've seen in practice exams, open to corrections.

EmmaE Aug 4, 2026 11:54 am

Makes sense to go with A here. The corner and exterior APs are textbook for location services setups.

Nathan W. Aug 10, 2026 8:34 am

A , because APs placed at corners and exteriors is textbook for enabling accurate location services. If it was only about coverage for voice/data/video, those corner placements would be overkill. Pretty sure that detail flips it.

Morgan M. Jul 21, 2026 6:03 pm

Its A. Perimeter and corner APs are usually for location services, not just voice or data clients. D looks tempting but doesn't cover location use cases the way A does, at least from what I've seen in practice sets.

Aaron Aug 3, 2026 4:51 pm

Ben A. Jul 27, 2026 6:09 pm

A is wrong for just general coverage, but right for when precise location services are needed. APs on corners/exterior walls are classic signals that location tracking is in play, not just coverage for voice/data/video. Official Cisco guides and wireless design best practices mention this topology for location accuracy. If you're reviewing, I'd cross-check similar scenarios in the official guide.

Ryan E. Aug 1, 2026 7:14 pm

Nah, A fits best here. D is tempting for generic coverage, but exterior and corner APs point toward location services.

Reese T. Jul 22, 2026 8:52 pm

Practice test and official Cisco guide cover these scenarios, similar AP placement questions usually match A.

Alex N. Aug 2, 2026 9:24 am

Probably A here. That overlap and staggered AP setup fits scenarios that need both location accuracy plus data and voice support.

Neha E. Aug 2, 2026 10:18 am

A tbh, since -67 RSSI and 20% overlap is typically recommended for VoIP, location, data, and video use cases.

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Q: 4

An engineer must identify the network requirements for a company that has a main o®ce and 10 branch support data, voice, video, and location tracking. Which two factors must be considered? (Choose two.)

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Discussion

ArjunY Aug 5, 2026 7:34 am

B and C

Logan B. Aug 7, 2026 8:11 pm

If they were asking about deployment planning instead of network requirements, wouldn't D (power sockets) actually matter more? The way it's worded feels like B and C fit better for design though.

Logan Aug 4, 2026 4:26 pm

How do folks feel about C compared to D here? C seems more about coverage planning for different environments, while D feels like a physical install issue not network design. Am I missing something on deployment prep?

Emma E. Jul 30, 2026 4:52 pm

Makes sense, B and C. Network requirements really come down to the number of devices and site type.

AlexQ Jul 26, 2026 4:02 pm

D tbh, cause available power sockets could impact deployment, especially with lots of devices. Anyone else think it's a trap question?

Riley C. Aug 8, 2026 7:03 am

Skip D, B and C. You need to know how many wireless clients you'll support (capacity) and what kind of sites you're designing for since warehouse vs office needs are totally different. Pretty sure those matter most here, open to other opinions.

Sanjay R. Jul 25, 2026 2:39 pm

Why not B and C? D feels more like a deployment concern, not really network design. Anyone see a case for picking E here instead?

Leo F. Aug 6, 2026 7:23 pm

B/C tbh, because network requirements need you to know how many devices are connecting (capacity planning) and the type of site affects coverage and design approach. D is more about install logistics than network needs directly. Not 100% but seen similar phrasing in practice.

Sam D. Aug 6, 2026 10:30 pm

B or D. Always see folks pick C but I think power sockets (D) could matter for network hardware, especially if devices need PoE. Maybe missing something obvious?

ReeseE Aug 2, 2026 12:27 am

It’s B and C. Security policy (A) and power sockets (D) trip people up but don’t actually define network requirements for wireless design, just facility or physical access stuff. Number of wireless devices and the site type directly impact capacity and coverage planning. Pretty sure about this, feel free to disagree.

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Q: 5

An enterprise network administrator is asked to set up an experimental WLAN for a collaboration project with a local service provider. The WLAN must be anchored to a WLC in the service provider data center using legacy mobility mode. After the configurations are completed on the WLCs and the firewalls in the path, the data path mobility tunnel is failing to come up. What should be performed by the administrator to debug the issue?

Options

Discussion

Logan Aug 1, 2026 4:49 pm

Option B. but only if the tunnel config is confirmed and not just a port/firewall issue. Some exam reports say port testing comes up, but for actual tunnel debug, WLC mapping commands matter more.

Leo G. Jul 31, 2026 2:40 pm

B. not C. Saw a similar question in some exam reports, pretty sure debugging mobility tunnels means running commands on the WLC itself. Telnet/port checks are more about connectivity, not actual debug output.

Arjun Y. Aug 6, 2026 3:24 am

B imo

Drew Aug 9, 2026 6:57 pm

B , C is a trap here since checking ports isn't a debug step like mapping on the WLC.

Kevin I. Jul 26, 2026 10:26 am

B tbh, official Cisco guides and lab practice both show WLC debug commands are the move for mobility tunnel issues.

Taylor W. Aug 10, 2026 10:25 am

C/D? Honestly not sure, kinda feels like both could fit here.

Ryan Jul 30, 2026 6:55 pm

B tbh, similar question came up in some practice. Super clear what the command does here.

Quinn H. Jul 26, 2026 12:02 am

C or D? I don't think a mapping command is the right fit for debugging a tunnel like this. Anybody else see these used?

Parker Aug 1, 2026 1:40 am

Definitely B. Actual debug commands for mobility tunnels are run on the WLC itself, not by checking port access from a PC.

Piya Jul 21, 2026 1:55 pm

Had something like this in a mock, pretty sure it's B since actual debugging for mobility tunneling issues is done using commands on the WLC. Connectivity checks like C are good for port testing, but not real debug steps. Agree?

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Q: 6

A company is in the process of relocating to a new force space and ends out that the Internet circuit will not be ready before the move. The new building has a non-Cisco WLAN to which they can connect. The engineer has a 12-port switch and one Cisco autonomous AP and must connect multiple wired devices. Which additional device is needed to get all clients connected over the workgroup bridge?

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Discussion

Morgan Aug 9, 2026 3:08 pm

My pick: A, hub won't get you L3 traffic to the WLAN so router is needed here.

Adam Jul 28, 2026 10:10 am

A here. The router handles traffic from wired devices to the Internet via the workgroup bridge, which a hub alone can't do. Hub would just get local connectivity, but not route out. Pretty sure that's what they want-unless there's some catch I'm missing.

Zoe J. Jul 21, 2026 11:13 pm

Its C. You just need a hub to connect all the wired devices to the autonomous AP acting as a workgroup bridge, right? Don't see why you'd need routing here if it's just about local connectivity for now. Maybe I'm missing something, but pretty sure hub should be enough in this setup.

Rowan U. Aug 7, 2026 10:38 pm

Router (A) is needed since the workgroup bridge only connects wired clients to the WLAN, but to actually enable Internet access you have to have routing. Switch or hub alone wouldn't handle this aspect. Pretty sure that's what it's asking for.

Ivy S. Aug 8, 2026 2:58 pm

Probably A, need the router for routing through the workgroup bridge, hub's just a distractor here.

SkepticalLearner8252 Aug 10, 2026 7:55 pm

Option C, since hub is usually what folks pick for just connecting wired devices, though maybe that's the trick here.

Robin U. Aug 4, 2026 11:40 pm

A tbh, but only if they truly need Internet before the circuit is live. Otherwise, hub would cover pure LAN bridging.

Sean F. Jul 25, 2026 8:56 pm

A saw a similar scenario in official practice. Router required to provide the L3 path for wired clients through the AP.

Sofia U. Jul 25, 2026 9:44 am

Option A router

Nora K. Jul 24, 2026 8:01 pm

C isn’t enough since you want those wired devices to reach the Internet, not just talk locally. A router (A) is needed for actual layer 3 routing between the switch/clients and the WLAN via the bridge. Pretty sure about this, unless I missed a detail.

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Q: 7

A customer has a single anchor WLC named Anchor A. Anchor A is in a DMZ and provides guest access. The customer wants to deploy an additional anchor controller named Anchor B to provide redundancy if Anchor A fails. Which design approach should be taken for the guest WLAN priority on the foreign WLC for each anchor WLC?

Options

Discussion

Layla K. Jul 22, 2026 5:47 am

D , lower number = higher priority so set Anchor A to 1 and Anchor B to 3.

Logan K. Jul 30, 2026 11:03 am

D is the way I'd set it up for pure redundancy. Lower number is higher priority, so Anchor A gets 1 (primary) and Anchor B gets 3 (secondary). That's straight from Cisco docs on anchor WLC failover, pretty sure that's how most people do it.

JasonH Aug 3, 2026 6:54 pm

D for redundancy setup. Lower number means higher priority, so primary Anchor A should be 1, backup Anchor B as 3. I think that's what Cisco recommends for failover rather than load balancing. Disagree?

Sean K. Jul 29, 2026 5:23 pm

Tricky, since a lot of configs get tripped up by anchor priorities. D

Owen Aug 5, 2026 1:06 am

Seriously Cisco, why is anchor controller priority so backwards? Picking D here because lower number means primary (Anchor A at 1), Anchor B at 3 for backup. That matches redundant guest design docs, but let me know if I missed a twist.

Taylor Jul 28, 2026 7:28 pm

Option D

Jordan E. Aug 8, 2026 2:44 pm

C or D
Not totally sure because both options have valid use cases, but since it's for redundancy only (not load balancing), maybe D fits better here. Anyone else think otherwise?

Ravi R. Jul 30, 2026 3:29 am

C is tempting if you want both anchors active but for pure failover, D is correct. The moment you need load balancing, that's when C makes sense instead.

Arjun Jul 30, 2026 6:24 am

Its D for redundancy since priority 1 is primary and 3 is backup, pretty sure that's the Cisco way.

Ishaan U. Jul 28, 2026 11:26 am

Nah, it's D. C looks tempting but that's how you'd set it for load balancing, not pure redundancy like the question asks.

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Q: 8

Two cisco 5520 wireless LAN controllers are managing all access points throughout the network. The WLCs are in different locations to provide geographical redundancy a mobility group has been configured on both WLCs and has a UP status on both controllers. The Aps in location A are statically configured to use controller A as the primary and controller B as the secondary. If the WLC in location A goes offline. The Aps successfully join the WLC in location, but they do not fail over to their primary configured controller. Which configuration task fixes the issue?

Options

Discussion

Mia V. Jul 31, 2026 11:57 pm

D imo , since changing the AP Failover Priority to critical seems like it should force the APs to return to their primary faster. The auto-fallback part feels like a trap in C but open to another take.

Cameron S. Jul 22, 2026 8:39 am

Option C fixes it because without global AP fallback enabled, APs won't move back to their primary controller once it's online again. I remember a similar edge case in a practice test where fallback had to be explicitly turned on. Correct me if someone knows a firmware that flips this.

MiaR Jul 29, 2026 6:13 pm

Seen this in some practice labs, enabling AP fallback globally on the WLC (so C) is necessary for APs to automatically return to their primary controller after a failover. Just setting priorities or using DHCP options won’t trigger the fallback. If you’re prepping, official Cisco guides and lab practice really help clarify these controller behaviors. Pretty sure about C but let me know if someone has had different results.

Nina J. Aug 6, 2026 5:53 am

Its D, but if fallback isn't needed automatically this option still controls which controller gets picked first after outage.

Robin V. Aug 1, 2026 11:11 pm

C . D looks tempting but that's only for failover priority, not for automatic fallback. Seen similar question on practice sets where enabling AP fallback globally lets APs rejoin their primary controller when it's back online.

Riley Aug 4, 2026 6:47 am

Probably C since global AP fallback needs to be enabled for the access points to move back to their primary WLC automatically. Without it, they'll stay on the secondary after failover even if the primary comes online. Correct me if I'm missing an edge case.

Skyler B. Jul 26, 2026 5:07 am

I don't think D really solves the fallback issue here. Setting AP failover priority changes how APs pick a controller during a failover, but it doesn't make them return to their primary when it comes back up. That feature is controlled by enabling AP fallback globally (C). Seen similar question in practice materials, so I'm pretty sure that's what Cisco wants. Anyone get different results on real gear?

PiyaL Jul 27, 2026 12:38 am

I don't think changing the AP Failover Priority to critical (D) is what you want here. That mainly affects the order for initial failover, not fallback to primary. You have to enable AP fallback globally (C) so that APs will auto-return to their preferred controller when it comes back up. Seen similar behavior in Cisco labs. Let me know if anyone's seen different.

Adam F. Aug 4, 2026 9:44 am

C , because without AP fallback enabled globally, the APs won't return to their primary even after it comes back online. There's that little gotcha where static controller assignment alone isn't enough. If someone has seen different behavior based on code version, chime in.

SeasonedArchitect8628 Jul 27, 2026 11:28 pm

C/D? D seems tempting since failover priority sounds like it should force fallback, but I think it's a common trap.

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Q: 9

A customer has a central Cisco WLC that manages APs in FlexConnect mode. The wireless infrastructure supports multiple small branches. One branch deploys new CCX wireless phones that are authenticated by a central Cisco ISE via PEAP/IMSCHAPv2, and tra®c is switched locally. The customer must reduce the number of full authentication requests and optimize roaming for the new phones. Which action accomplishes the requirement?

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Discussion

CarefulAuditor710 Jul 21, 2026 6:19 pm

A . FlexConnect group with CCKM lets you optimize fast roaming and keeps auth requests down, which is what the question wants.

Ben Aug 7, 2026 10:32 pm

Option D is tempting but only FlexConnect groups let APs share keys for local switching, so A.

Sean X. Aug 8, 2026 9:46 am

Nah, I think it's A here since D is the trap for central switching.

Ben Z. Jul 25, 2026 7:37 pm

Geez, Cisco makes this unnecessarily confusing with FlexConnect and all these groupings. But A is what you want for fast roaming with local switching.

Emma J. Jul 26, 2026 6:01 pm

C or D? These FlexConnect and CCKM questions drive me nuts. Cisco's docs always make it a guessing game.

Ajay I. Aug 10, 2026 9:49 pm

D is wrong, A fits since FlexConnect group and CCKM are key for fast roaming with local switching.

Riley S. Aug 4, 2026 5:30 pm

I think it's A since FlexConnect group is needed for local switching and CCKM handles the fast roaming piece. Saw similar question in practice and this combo was flagged as right. Open to other takes if I missed something though.

Luna L. Jul 31, 2026 9:39 am

For me, A. FlexConnect group plus CCKM matches up with local switching and minimizing full auths for roaming, fits the question.

Sofia Q. Jul 23, 2026 8:30 pm

C/D? I keep seeing people pick A but something still makes me wonder if D works too in some setups.

Ava S. Aug 6, 2026 12:08 pm

A , not D. The local switching piece plus CCKM and FlexConnect group is the combo for fast roaming and fewer full auths. D looks tempting but that's more for central switching scenarios. If someone disagrees let me know, but pretty sure A fits best here.

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Q: 10

Clustering Cisco WLCs into a single RF group enables the RRM algorithms to scale beyond the capabilities of a single Cisco WLC. How many WLC and APs in an RF group can the controller software scale up to in WLC release 8.9 depending on the platform?

Options

Discussion

Reese Aug 6, 2026 2:10 pm

Option D for sure, since with WLC release 8.9 and the right hardware, you can cluster up to 20 WLCs and 6000 APs in a single RF group. Cisco upped the max APs per RF group at this version, so older numbers like 4000 (C) are outdated. Not totally sure for every platform, but pretty confident for top models. Someone catch anything else?

AjayW Aug 3, 2026 11:11 pm

D . The Cisco config guide for WLC 8.9 says 6000 APs, and official docs plus practice questions back that up. Would double check the official guide if you're reviewing limits like this.

QuietLead7682 Aug 3, 2026 11:16 pm

C vs D? Had something like this in a mock, picked D for 6000 APs.

Hannah D. Jul 25, 2026 10:35 pm

C vs D? Trick wording but with release 8.9, max supported is 6000 APs so D not C.

Karan B. Aug 2, 2026 7:48 am

D , older docs show 4000 APs which traps some folks but 6000 is right with 8.9 as per Cisco docs.

Maya P. Aug 7, 2026 4:01 am

Had something like this in a mock and I picked C. Pretty sure some guides still list 4000 APs per RF group, maybe for certain hardware or earlier docs. Not 100% though since Cisco updated limits, so open to being wrong here.

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Sanjay K. Jul 23, 2026 7:31 am

Pretty sure the limit is 20 WLCs and 6000 APs per RF group for release 8.9. Cisco docs mention that max support in newer versions too. D is correct based on what I saw in recent exam reports.

Cameron Aug 8, 2026 10:16 pm

Likely D is the max supported, but older revisions made me hesitate. Anyone confident it's not C for all platforms?

Luke Jul 27, 2026 10:52 pm

Does anyone think C is right here? Looks like D could be the common trap, since earlier releases topped out at 4000 APs.

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Q: 11

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

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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?

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Discussion

Robin O. Aug 9, 2026 6:42 am

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

Emma Jul 27, 2026 10:49 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 Aug 9, 2026 8:29 am

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. Aug 9, 2026 3:15 am

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. Jul 28, 2026 10:54 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. Jul 21, 2026 5:08 pm

D imo

Drew Y. Aug 3, 2026 11:05 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. Jul 22, 2026 3:48 am

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?

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Discussion

Aisha P. Jul 22, 2026 11:02 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. Aug 4, 2026 11:42 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. Aug 7, 2026 11:18 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. Jul 30, 2026 12:54 am

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. Jul 22, 2026 10:59 am

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

Emma Aug 6, 2026 5:14 am

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 Aug 10, 2026 7:52 am

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?

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Discussion

CalmEngineer3249 Aug 7, 2026 6:19 am

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. Aug 3, 2026 9:53 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 Aug 11, 2026 12:38 am

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 Jul 30, 2026 5:28 pm

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. Jul 22, 2026 1:59 am

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. Jul 30, 2026 11:23 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.)

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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?

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Discussion

Drew I. Jul 28, 2026 5:26 pm

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 Jul 22, 2026 8:26 pm

Option C

Chloe N. Jul 21, 2026 9:30 pm

Not B, A

Noah F. Jul 23, 2026 7:12 pm

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

SeasonedReviewer771 Jul 21, 2026 9:12 pm

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. Aug 1, 2026 12:42 pm

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 Jul 22, 2026 2:33 pm

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. Aug 7, 2026 5:28 am

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

Olivia D. Aug 5, 2026 7:00 am

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

Ravi A. Jul 28, 2026 2:24 am

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. Cisco 300-425 question

Your Answer

Discussion

SanjayX Jul 24, 2026 12:52 pm

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

SharpMentor275 Jul 24, 2026 9:38 am

Option D

Priya O. Jul 28, 2026 1:50 am

Taylor G. Jul 22, 2026 1:49 pm

Probably D

NoahS Aug 4, 2026 1:59 pm

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 Jul 27, 2026 5:36 am

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 Aug 5, 2026 2:11 pm

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

CuriousEngineer7859 Jul 25, 2026 12:01 am

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

JasonK Aug 8, 2026 6:49 am

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. Jul 25, 2026 6:55 am

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. Aug 2, 2026 4:18 pm

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 Jul 23, 2026 3:09 am

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. Aug 8, 2026 6:52 am

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

Robin V. Aug 7, 2026 9:29 am

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. Aug 9, 2026 3:13 am

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 Aug 2, 2026 1:23 pm

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. Aug 5, 2026 1:02 pm

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 Jul 25, 2026 11:02 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. Jul 21, 2026 8:23 pm

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. Jul 26, 2026 9:53 am

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

FocusedConsultant2697 Jul 30, 2026 12:07 pm

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. Jul 29, 2026 7:34 am

Neha J. Jul 22, 2026 8:25 pm

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. Jul 24, 2026 4:49 am

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

Quinn Z. Jul 25, 2026 4:29 pm

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. Jul 26, 2026 3:21 am

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 Jul 25, 2026 3:58 am

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. Jul 28, 2026 5:25 am

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. Jul 31, 2026 4:49 am

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

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Question 1 of 20

Cisco 300-425

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Free 300-425 Practice Test Questions and Answers (2026) | Cert Empire Practice Questions

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