Best CWISA-103 Exam Dumps for the Preparation of Latest Exam Questions [Q17-Q35]

Best CWISA-103 Exam Dumps for the Preparation of Latest Exam Questions

CWISA-103 Actual Questions 100% Same Braindumps with Actual Exam!

CWNP CWISA-103 Exam Syllabus Topics:

Topic	Details
Topic 1	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.
Topic 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.
Topic 3	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.
Topic 4	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.
Topic 5	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.

 

NEW QUESTION # 17
You must plan for encryption in a wireless solution deployment. What type of data should always be encrypted? (Choose the single best answer.)

• A. Sensitive data in memory
• B. Non-sensitive data in archives
• C. Non-sensitive data at rest
• D. Sensitive data in transmission

Answer: D

Explanation:
Most Vulnerable In Transit: Sensitive data (passwords, health information, etc.) is most susceptible to interception while being sent over a wireless network. Encryption is crucial at this stage.
Encryption at Rest and in Memory: While also important, these are often handled with different cryptographic techniques depending on the system.

NEW QUESTION # 18
How does OFDMA differ from OFDM?

• A. OFDMA offers greater range by using multiple channels at once
• B. OFDMA allows multiple devices to transmit simultaneously on the same frequency
• C. Subcarriers of OFDMA can contain data destined for a different receiver
• D. OFDMA uses multiple radios to achieve higher throughput

Answer: B

Explanation:
* OFDM vs. OFDMA:
* OFDM (Orthogonal Frequency-Division Multiplexing): Divides a channel into multiple subcarriers for data transmission.
* OFDMA (Orthogonal Frequency-Division Multiple Access): Extends OFDM by allowing multiple users to share subcarriers simultaneously, improving efficiency and spectral utilization.
References
* OFDM: https://en.wikipedia.org/wiki/Orthogonal_frequency-division_multiplexing
* OFDMA: https://en.wikipedia.org/wiki/Orthogonal_frequency-division_multiple_access

NEW QUESTION # 19
You must ensure proper security controls are in place for a wireless solution. The solution allows for the use of groups to grant access to resources and capabilities. What is the term used to describe a situation where an individual is granted more access than required because of inclusion in a group?

• A. Privilege creep
• B. Improper grouping
• C. Improper delegation
• D. Privilege escalation

Answer: A

Explanation:
* Privilege Creep Defined: Gradual accumulation of excessive permissions over time, often due to users changing roles or access needs not being adjusted accordingly.
* Other Terms:
* Privilege Escalation: A malicious act of obtaining higher-than-authorized access.
* Improper Delegation/Grouping: Faulty permission assignment, but not the gradual accretion aspect.
References:
Principle of Least Privilege: Security best practice emphasizing the need to minimize access to only what's necessary.
Access Control Models: Discussions of how privilege creep can violate security principles.

NEW QUESTION # 20
Which one of the following location tracking technologies is most energy efficient in typical implementations?

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

Answer: D

Explanation:
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).

NEW QUESTION # 21
What is a common security requirement when deploying IoT devices at scale?

• A. Accepting only unsigned firmware to improve device speed
• B. Enabling over-the-air firmware updates
• C. Using a single shared password for all devices
• D. Allowing open access to management ports

Answer: B

Explanation:
Secure OTA updates allow rapid patching of vulnerabilities across large IoT fleets. Shared passwords and unsigned firmware pose major security risks.

NEW QUESTION # 22
What modulation is used by LoRa?

• A. ASK
• B. OFDM
• C. CSS
• D. OFDMA

Answer: C

Explanation:
* LoRa Modulation: LoRa (Long Range) is a proprietary wireless technology that utilizes Chirp Spread Spectrum (CSS) modulation.
* CSS Characteristics:
* Spread spectrum technique for resilience against interference.
* Chirps (frequency sweeps) enable operation below the noise floor for long range.
References
* LoRa: https://en.wikipedia.org/wiki/LoRa
* Chirp Spread Spectrum (CSS): https://en.wikipedia.org/wiki/Chirp_spread_spectrum

NEW QUESTION # 23
You must ensure proper security controls are in place for a wireless solution. The solution allows for the use of groups to grant access to resources and capabilities. What is the term used to describe a situation where an individual is granted more access than required because of inclusion in a group?

• A. Privilege creep
• B. Improper grouping
• C. Improper delegation
• D. Privilege escalation

Answer: A

Explanation:
Privilege Creep Defined: Gradual accumulation of excessive permissions over time, often due to users changing roles or access needs not being adjusted accordingly.

NEW QUESTION # 24
What is the most common difference between a single board computer (SBC) and a controller board?

• A. SBCs typically have connectors for display and input devices while controller boards do not
• B. Controller boards have more powerful processors than most SBCs
• C. SBCs always have connectors for M2 devices and controller boards do not
• D. Controller boards have I/O headers and SBCs do not

Answer: A

Explanation:
SBCs (Single Board Computers): Designed as standalone, small-form-factor computers. They often include:
Display Interfaces: HDMI, DisplayPort, etc.
Input Connections: USB for keyboards, mice, etc.
General Purpose Functionality: Can run a full operating system for wider applications.
Controller Boards: Focus on controlling specific hardware or systems.
Limited direct I/O: Limited connectors for displays/input devices.
Specialized tasks: Designed for embedded applications within larger systems.

NEW QUESTION # 25
What primary component is required to implement a wireless transceiver in a device?

• A. GPIO pins
• B. Radio
• C. Flash memory
• D. SRAM

Answer: B

Explanation:
* Wireless Transceiver: A transceiver is a combination of a transmitter and receiver used for wireless communication.
* Radio: The radio is the primary component responsible for:
* Modulation: Encoding data onto a carrier wave.
* Demodulation: Extracting data from a received signal.
* Transmission/Reception: Handling the actual sending and receiving of modulated signals over the air.
References
* Transceiver: https://en.wikipedia.org/wiki/Transceiver

NEW QUESTION # 26
What is defined as the weakening of signal amplitude as the signal passes through a medium?

• A. Scattering
• B. Attenuation
• C. Diffraction
• D. Reflection

Answer: B

Explanation:
Attenuation: Describes the progressive loss of signal strength as it travels through a medium (like air, cables, walls). It's caused by factors like absorption, distance, and obstacles.

NEW QUESTION # 27
What is the role of the ITU in wireless communications?

• A. Coordinates the shared global use of the radio spectrum
• B. Defines international communications standards
• C. Oversees communications regulatory agencies in each country
• D. Establishes wireless radiation exposure limits

Answer: A

Explanation:
* ITU's Mandate: The International Telecommunication Union (ITU) is a specialized agency of the United Nations focused on global information and communication technologies (ICTs).
* Radio Spectrum Regulation: A core ITU function is allocating radio spectrum bands and satellite orbits to prevent harmful interference between different countries and technologies. This coordination is essential for the orderly use of wireless communications worldwide.
* Other ITU Roles: While involved in standard-setting and establishing best practices, options A and D are less precise than the ITU's spectrum coordination focus.
References:
ITU Website: (https://www.itu.int/en/) Outlines its activities and governance of radio spectrum.
ITU Radio Regulations: The international treaty governing the use of the radio-frequency spectrum.

NEW QUESTION # 28
What process, used for security in wireless solutions, is defined as the encoding of information to prevent readability by unauthorized users?

• A. Encryption
• B. Authorization
• C. Access Control
• D. Authentication

Answer: A

Explanation:
Access Control: Limits who can access data, but doesn't make it unreadable.
Authentication: Validates user/device identity, but not focused on data confidentiality.
Authorization: Determines the actions a user is allowed, separate from securing the data itself.
How encryption works: Encryption uses algorithms and keys to turn plaintext into unreadable ciphertext. Only those with the correct key can decrypt it.
Data in motion vs. data at rest: Encryption protects sensitive information both when transmitted over the wireless network and when stored on devices.

NEW QUESTION # 29
What is the most important consideration when deciding whether to implement a wired or wireless solution?

• A. The availability of PoE
• B. Business and system requirements
• C. The distance between nodes
• D. The applications being used

Answer: B

Explanation:
Requirements Drive Decisions: The decision between wired or wireless must align with the solution's overall purpose, performance targets, and operational constraints.
Key Considerations:
Reliability: Does the application require guaranteed connectivity? (Wired may be favored).
Installation Cost: Can extensive cabling be done, or is it prohibitively expensive? (Wireless may be favored).
Flexibility and Scalability: Is node placement likely to change in the future? (Wireless may be favored).

NEW QUESTION # 30
You must plan for encryption in a wireless solution deployment. What type of data should always be encrypted? (Choose the single best answer.)

• A. Sensitive data in memory
• B. Non-sensitive data in archives
• C. Non-sensitive data at rest
• D. Sensitive data in transmission

Answer: D

Explanation:
* Most Vulnerable In Transit: Sensitive data (passwords, health information, etc.) is most susceptible to interception while being sent over a wireless network. Encryption is crucial at this stage.
* Encryption at Rest and in Memory: While also important, these are often handled with different cryptographic techniques depending on the system.
References:
Wireless Security Protocols: Details on encryption standards like WPA2/WPA3, TLS that focus on protecting data during transmission.

NEW QUESTION # 31
Among these choices, what is the most common reason administrators use scripting during the deployment of a wireless solution?

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

Answer: A

Explanation:
* 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.

NEW QUESTION # 32
What advantage is provided by using an NTP server within a wireless solution architecture?

• A. It provides for name resolution for older network devices
• B. It ensures security through AES encryption
• C. It provides for semi-automatic IP addressing in wireless sensor networks
• D. It ensures uniform, synchronized time among devices

Answer: D

Explanation:
Importance of Time Sync in IoT: Coordinated actions, accurate data analysis, and event logging in wireless IoT solutions often rely on devices having a shared time reference.
NTP's Role: Network Time Protocol (NTP) enables devices to synchronize their clocks against a reliable time source (NTP server), ensuring consistency across the network.

NEW QUESTION # 33
What function does the IEEE perform in relation to wireless technologies?

• A. Brings wireless products to market
• B. Promotes technology and standards development
• C. Certified equipment to be compatible
• D. Designs wireless chipsets

Answer: B

Explanation:
IEEE's Role: The Institute of Electrical and Electronics Engineers (IEEE) is a global organization critical in developing and promoting technical standards across various fields, including wireless technologies.
Standards Work: IEEE creates wireless technology standards like:
IEEE 802.11: Wi-Fi standards
IEEE 802.15.4: Basis for ZigBee, Thread, and other low-power networks

NEW QUESTION # 34
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. The APIs in use will not function without this documentation. The documentation is linked to the executable process of the APIs.
• C. 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.
• D. 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.

Answer: D

Explanation:
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.

NEW QUESTION # 35
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