cisco 300-425 Exam Questions

Questions for the 300-425 were updated on : Dec 01 ,2025

Page 1 out of 18. Viewing questions 1-15 out of 256

Question 1

In a stadium deployment, which WLAN design approach is most recommended?

  • A. Few APs with maximum power on 2.4 GHz
  • B. High-density design with sectorized directional antennas
  • C. Ceiling-mounted omni antennas across the stadium bowl
  • D. Deploying APs only on one side of the stadium
Answer:

B

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Question 2

What is the main goal of Radio Resource Management (RRM) in Cisco WLANs?

  • A. To manually configure AP channels
  • B. To automatically adjust channel, power, and coverage parameters
  • C. To increase antenna gain
  • D. To manage client roaming decisions directly
Answer:

B

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Question 3

A retail chain wants centralized WLAN control with remote APs. Which Cisco deployment
model is most suitable?

  • A. FlexConnect
  • B. Cloud-only deployment
  • C. Autonomous AP deployment
  • D. Mesh-only architecture
Answer:

A

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Question 4

Why is Dynamic Frequency Selection (DFS) important in WLAN design?

  • A. To allow use of radar-detected channels in 2.4 GHz
  • B. To increase AP transmit power beyond regulations
  • C. To enable usage of additional 5 GHz channels while avoiding radar interference
  • D. To reduce co-channel interference on 6 GHz
Answer:

C

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Question 5

Which Cisco technology improves the signal quality for clients at the edge of a cell by
optimizing beamforming?

  • A. CleanAir
  • B. ClientLink
  • C. FastLane
  • D. FlexConnect
Answer:

B

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Question 6

What is the minimum recommended RSSI for designing a WLAN to support data applications?

  • A. –67 dBm
  • B. –70 dBm
  • C. –75 dBm
  • D. –80 dBm
Answer:

B

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Question 7

Which survey is performed after deployment to ensure coverage matches design requirements?

  • A. Predictive
  • B. Passive
  • C. Validation
  • D. Active
Answer:

B

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Question 8

A warehouse has metal shelving that reflects RF signals. Which antenna strategy is best?

  • A. Ceiling-mounted omni-directional antennas only
  • B. Low-gain directional antennas mounted on the aisles
  • C. APs installed randomly throughout the warehouse
  • D. High-gain Yagi antennas pointing across shelves
Answer:

B

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Question 9

What is the recommended cell overlap for WLAN design that supports voice traffic?

  • A. 5%–10%
  • B. 10%–15%
  • C. 15%–20%
  • D. 25%–30%
Answer:

C

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Question 10

Which frequency band provides the widest channel availability for enterprise WLANs?

  • A. 2.4 GHz
  • B. 5 GHz
  • C. 900 MHz
  • D. 6 GHz
Answer:

D

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Question 11

In WLAN high availability, which deployment provides two controllers that share AP load
and fail over instantly?

  • A. N+1 redundancy
  • B. Active/Active SSO (Stateful Switchover)
  • C. Single-controller centralized model
  • D. Cloud-only deployment
Answer:

B

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Question 12

What is the purpose of Cisco Band Select?

  • A. Push clients to use the 5 GHz band instead of 2.4 GHz
  • B. Improve antenna gain for long corridors
  • C. Increase MIMO stream count
  • D. Prioritize voice traffic over data
Answer:

A

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Question 13

Which type of wireless survey involves physically walking the site and measuring signal strength
in real time with APs powered on?

  • A. Predictive survey
  • B. Passive survey
  • C. Validation survey
  • D. Active survey
Answer:

D

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Question 14

What is the main advantage of using directional antennas in lecture halls?

  • A. Increased AP throughput
  • B. Reduced co-channel interference and focused coverage
  • C. Stronger 2.4 GHz performance
  • D. Lower power consumption
Answer:

B

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Question 15

A hospital needs seamless roaming between APs for wireless medical devices. Which WLAN
feature is most critical?

  • A. DFS channels
  • B. Mobility groups
  • C. Band Select
  • D. CleanAir
Answer:

B

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