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CWNP CWISA-103 시험요강:

주제	소개
주제 1	Wireless Technologies: This section of the exam measures the skills of Wireless Architects and covers foundational knowledge of wireless IoT technologies and their applications. It includes maintaining awareness of emerging technologies through research, understanding common applications and their associated frequencies and protocols, and familiarity with key standards organizations like IEEE, IETF, and Wi-Fi Alliance. The domain also encompasses defining various wireless network types including WLAN, WPAN, and IoT implementations across industries, along with understanding the hardware and software components of IoT devices and gateways, covering processors, memory, radios, sensors, and operating systems.
주제 2	Radio Frequency Communications: This section of the exam measures the skills of RF Engineers and focuses on the fundamental principles of radio frequency communications. It involves explaining RF wave characteristics such as frequency, wavelength, and amplitude, and understanding behaviors like amplification, attenuation, and free space path loss. The domain covers describing modulation techniques including ASK, FSK, PSK, and QAM, and explaining the capabilities of RF components like radios, antennas, and cabling. It also includes describing the use and capabilities of different RF bands in terms of communication ranges and power levels.
주제 3	Planning Wireless Solutions: This section of the exam measures the skills of IoT Solutions Architects and encompasses the planning phase of wireless IoT solutions. It involves identifying system requirements, including use cases, capacity needs, security requirements, and integration needs, while considering constraints such as budgetary, technical, and regulatory limitations. The domain includes selecting appropriate wireless solutions based on requirements, planning for technical needs, including LAN WAN networking and frequency coordination, and understanding the capabilities of common wireless IoT solutions like Bluetooth, Zigbee, and LoRaWAN, along with location services and methods.
주제 4	Implementing Wireless Solutions: This section of the exam measures the skills of Wireless Implementation Specialists and covers the practical implementation of wireless IoT solutions. It involves understanding key issues related to automation, integration, monitoring, and management, and using best practices in implementation,n including pilot testing, configuration, installation, and documentation. The domain includes validating implementations through testing and troubleshooting, performing installation procedures including equipment mounting and connectivity configuration, and implementing security solutions covering authentication, authorization, and encryption. It also encompasses knowledge transfer practice,s including staff training and solution documentation.
주제 5	Supporting Wireless Solutions: This section of the exam measures the skills of Wireless Support Engineers and focuses on the ongoing administration and support of wireless solutions across various vertical markets. It involves administering solutions in healthcare, industrial, smart cities, retail, and other environments while troubleshooting common problems including interference, configuration issues, and hardware malfunctions. The domain includes determining the best use of scripting and programming solutions for IoT implementations, understanding data structures and APIs, and comprehending networking and security protocols. It also covers understanding application architectures and their impact on wireless solutions, including single-tier and multi-tier architectures, database systems, and application servers.

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최신 CWNP CWSA CWISA-103 무료샘플문제 (Q38-Q43):

질문 # 38
What is the benefit of using SINR as opposed to SNR to reference signal quality at a receiver?

A. SINR excludes interference and only measures the noise floor
B. SINR includes interference as well as the noise floor
C. SNR includes interference measurements that skew the results
D. SNR excludes the noise floor, which skews the results

정답：B

설명：
* SINR vs. SNR:
* SNR (Signal-to-Noise Ratio): Measures the power of the desired signal relative to background noise.
* SINR (Signal-to-Interference-plus-Noise Ratio): Considers both background noise and interference from other signals operating on the same frequency.
* Practical Importance: SINR is a more realistic indicator of real-world signal quality in wireless environments where interference is a significant factor.
References
* SINR: https://en.wikipedia.org/wiki/Signal-to-interference-plus-noise_ratio
* SNR: https://en.wikipedia.org/wiki/Signal-to-noise_ratio

질문 # 39
What metric is used to express a relative increase or decrease in signal strength?

A. W
B. dBm
C. mW
D. dB

정답：D

설명：
Decibel (dB): A logarithmic unit expressing ratios of power or signal strength. It's used in RF contexts due to the wide range of signal levels encountered.
Examples:
dBm: Decibels relative to one milliwatt (power measurement).
dBi: Decibels relative to an isotropic antenna (antenna gain).

질문 # 40
When deploying devices in an indoor manufacturing environment, which IP rating is more likely to be required?

A. IP47
B. IP66
C. IP38
D. IP46

정답：B

설명：
* IP Ratings & Manufacturing: IP66 provides:
* Dust-tight: (First '6') Complete protection against dust ingress.
* Powerful Water Jets: (Second '6') Protection against strong water jets from any direction.
* Harsh Manufacturing Environments: IP66 is common due to dust, dirt, and potential exposure to liquids during cleaning or spills.
References
* IP Ratings: https://en.wikipedia.org/wiki/IP_Code

질문 # 41
Which one of the following location tracking technologies is most energy efficient in typical implementations?

A. GPS
B. Cellular
C. Wi-Fi
D. BLE Beacons

정답：D

설명：
* BLE Beacon Power Efficiency: Bluetooth Low Energy (BLE) beacons are designed for low power consumption. Their primary function is to periodically broadcast short data packets (advertising their presence).
* Other Technologies:
* Cellular: More power-hungry due to long-range communication and complex protocols.
* GPS: Power intensive, especially when actively tracking location.
* Wi-Fi:

질문 # 42
Among these choices, what is the most common reason administrators use scripting during the deployment of a wireless solution?

A. To increase the signal strength of the resulting wireless links
B. To reduce configuration errors
C. To provide time for playing solitaire
D. To enhance the capabilities of the resulting solution

정답：B

설명：
* Automation for Consistency: Scripts eliminate the potential for human error during repetitive configuration tasks on multiple devices. This ensures uniformity across the wireless solution.
* Speed and Efficiency: Scripts can be much faster than manual configuration, particularly in large deployments.
* Other Benefits: While scripts might aid signal strength (e.g., optimizing settings) or enhance solution capabilities, their core value in configuration is reducing errors.
References:
Network Automation: Benefits of using scripts for configuration management.
Configuration Management Best Practices: Emphasize the importance of consistency and repeatability.

질문 # 43
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CWISA-103퍼펙트최신덤프공부자료최신인기시험기출문제자료

CWNP CWISA-103 시험요강:

최신 CWISA-103퍼펙트 최신 덤프공부자료 덤프샘플 다운

최신 CWNP CWSA CWISA-103 무료샘플문제 (Q38-Q43):