CWISA-103퍼펙트인증공부자료 - CWISA-103덤프공부문제

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CWISA-103퍼펙트 인증공부자료, CWISA-103덤프공부문제, CWISA-103인증덤프공부, CWISA-103덤프샘플문제, CWISA-103최신 업데이트 덤프공부

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CWISA-103덤프공부문제, CWISA-103인증덤프공부

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CWNP CWISA-103 시험요강:

주제 소개
주제 1
  • 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 2
  • 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 3
  • 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 4
  • 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 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.

최신 CWNP CWSA CWISA-103 무료샘플문제 (Q43-Q48):

질문 # 43
You have implemented a wireless mesh network. All mesh nodes are properly configured for participation in the same mesh network. Several of the mesh nodes are unable to connect to other mesh nodes. What action may provide a solution to this problem?

  • A. Move the faulty mesh nodes to provide for better signal strength
  • B. Change the security settings on the faulty mesh nodes
  • C. Change the output power settings only on the faulty mesh nodes
  • D. Place the faulty mesh nodes in their own mesh network

정답:A

설명:
* Mesh Connectivity Depends on Signal: Mesh nodes relay data for each other. Weak signal strength between nodes can disrupt connectivity throughout the network.
* Troubleshooting Signal Issues: Physically relocating affected nodes can improve their ability to form stable connections with other nodes in the mesh.
* Why Other Options May Not Help:
* Separate Mesh: Splits the network, not solving the root connectivity issue
* Output Power: May help marginally, but significant improvement is typically achieved through repositioning.
* Security Settings: Unlikely to cause connectivity issues between properly configured nodes in the same mesh.
References:
Wireless Mesh Network Troubleshooting: Guides addressing signal strength and coverage concerns.
RF Site Survey Tools: Resources on software that can help visualize signal strength and aid in node placement.


질문 # 44
What is an advantage of using HTTP-based processing?

  • A. It is simple and commonly understood in the developer community
  • B. It Is more secure than any other APIs
  • C. It is more secure than other transports, when using SSH
  • D. It is faster than any other APIs

정답:A

설명:
* HTTP's Popularity: HTTP is the foundation of the web, making it widely known and supported.
Developers have extensive familiarity with its concepts (methods, headers, status codes, etc.).
* REST APIs and Webhooks: These often leverage HTTP for communication, building upon existing knowledge and tools.
* Tradeoffs:
* Security: HTTP itself is not inherently secure; HTTPS or additional layers address this.
* Speed: Protocols optimized for IoT may have lower overhead, but HTTP's simplicity often outweighs minor performance differences.
References:
REST APIs: Overviews of their use of HTTP, demonstrating its prevalence in API development.
Developer Experience with HTTP: Discussions on the familiarity with and availability of HTTP libraries in various programming languages


질문 # 45
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?

  • A. It allows future support to implement APIs that have not been used at the time of deployment.
  • B. If APIs are in use, it typically indicates that the vendor has not provided ideal support. Without documentation, you cannot prove this reality for a discount.
  • C. If APIs are in use, it typically indicates the use of custom scripts or application code. Future support will be easier when the APIs in use are documented.
  • D. The APIs in use will not function without this documentation. The documentation is linked to the executable process of the APIs.

정답:C

설명:
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.


질문 # 46
In a wireless link, as the signal strength decreases, what else may decrease?

  • A. Noise
  • B. Latency
  • C. Transmission speeds
  • D. Interference

정답:C

설명:
* Signal Strength and Data Rate: In wireless links, weaker signal strength often directly correlates to reduced transmission speeds. Modern wireless technologies use adaptive modulation and coding, sacrificing speed for reliability when signals become weaker.
* Noise and Interference: While these can impact performance, they don't inherently decrease simply because signal strength drops.
* Latency: Latency can be affected by poor signal, but its primary drivers are distance and network congestion.
References:
Wireless Signal Strength vs. Speed: Articles explaining the relationship and how adaptive modulation works.
Modulation and Coding Schemes (MCS): Technical descriptions of how Wi-Fi and other wireless technologies adjust speeds based on signal quality.


질문 # 47
Which protocol is MOST commonly used for lightweight, publish/subscribe communication in IoT systems?

  • A. AMQP
  • B. CoAP
  • C. HTTP
  • D. MQTT

정답:D

설명:
MQTT is designed for constrained devices, low overhead, and unreliable networks using a publish/subscribe model. Other protocols are too heavy or designed for different communication styles.


질문 # 48
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