Free CWNP CWISA-102 Exam Actual Questions

The questions for CWISA-102 were last updated On Jun 15, 2025

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Question No. 1

What is an advantage of an overlay monitoring system for wireless networks as opposed to an Integrated monitoring system?

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Correct Answer: D

Overlay vs. Integrated Monitoring:

Overlay:A separate monitoring system independent of the primary wireless infrastructure.

Integrated:Monitoring functions built into wireless access points or controllers.

Overlay Advantage:Since the overlay system is separate, it doesn't add overhead or complexity to the core network, avoiding potential disruption of wireless services.


Question No. 2

As an RF signal propagates it becomes weaker as it gets farther away from the transmitter. What concept is described?

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Correct Answer: A

The concept described isFree Space Path Loss (FSPL). FSPL refers to the reduction in power density of an electromagnetic wave as it propagates through a clear, unobstructed path in free space. This weakening of the signal is due to the spreading of the wavefront as it travels, causing the power to be distributed over a larger area. The FSPL can be calculated using the Friis Transmission Equation, which shows that the received power decreases with the square of the distance from the transmitter. This concept is fundamental to understanding the behavior of RF signals in various communication systems, including wireless IoT, where the signal strength at the receiver is a critical factor for reliable data transmission.

References: The information provided aligns with the Friis Transmission Equation, which models how the power of an RF signal decreases with distance1.Additionally, the concept of FSPL is a well-known phenomenon in RF propagation, affecting the design and optimization of wireless communication systems


Question No. 3

You are considering the implementation of a lab for testing wireless equipment. What is the primary benefit of such a lab? (Choose the single best answer.)

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Correct Answer: D

Lab Purpose:Wireless testing labs offer controlled settings to:

Skill Development:Hone practical understanding of wireless technologies without impacting production environments.

Experimentation:Safely test different configurations, compatibility, and potential issues.

Troubleshooting:Isolate problems, test solutions, and understand how equipment behaves in various scenarios.

Other Benefits (While not the primary benefit):

Learning Environment:Ideal for structured training and exploration.

Evaluation:Compare hardware performance before deployment.

References

Benefits of IT Labs:Can be extended from wireless to broader IT experimentation and learning. (Articles on this topic are readily available)


Question No. 4

You are creating documentation for a new wireless solution that is deployed in the organization. Why is it important to document APIs in use within the system?

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Correct Answer: A

Customization and Integrations:The presence of APIs often suggests a system is integrated with other platforms or has custom-built elements.

Understanding Dependencies:Documenting used APIs helps clarify how different parts of the system interact and where potential issues might arise.

Troubleshooting Efficiency:Detailed API documentation aids in resolving problems, allowing staff to assess interconnected systems effectively.

Knowledge transfer:Future support teams won't have to reverse-engineer the system; documentation ensures smooth handover and understanding.

References:

Best practices API documentation:Guides on API documentation formats and the level of detail needed for maintenance. [Example: Swagger, OpenAPI Specification] (https://swagger.io/)

Software Development Life Cycle (SDLC):Materials emphasizing the importance of documentation during development and support phases.


Question No. 5

How is ASK modulation different from FSK modulation?

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Correct Answer: A

Key Modulation Differences:

ASK (Amplitude Shift Keying):Digital data is represented by changes in the amplitude (strength) of a carrier wave.

FSK (Frequency Shift Keying):Digital data is represented by changes in the frequency of a carrier wave.

References

ASK:https://en.wikipedia.org/wiki/Amplitude-shift_keying

FSK:https://en.wikipedia.org/wiki/Frequency-shift_keying