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| Section | Objectives |
|---|
Define Specifications for the WLAN - 25% |
| Collect business requirements and constraints | - Business use cases and justification - User requirements - Regulatory compliance - Industry compliance - Budget - Aesthetics - Architectural constraints - Mounting restrictions - Access restrictions - Time constraints - Building codes and safety codes |
| Collect and define technical requirements | - Vendor selection - Location services such as RTLS - Latency requirements - Signal strength requirements - Capacity requirements - Security requirements- BYOD and guest access
- Roaming
- Monitoring
- Authentication and encryption
- Applications and their specific requirements - WLAN upgrade requirements, when applicable - Bridge link requirements, when applicable - Voice over WLAN (VoWLAN), when applicable - Client devices including most important and least capable device - Requirement areas |
| Collect project documentation | - Validated floor plans - Network infrastructure- Network diagrams
- AP locations
- Existing network services including DNS, DHCP, NTP, and authentication servers
- Switch capabilities and capacity
- Cabling infrastructure - Cabling maps and plans
- Wiring closet locations
- Power availability and PoE capabilities - Existing wireless systems - Previous design/survey documentation |
| Define requirement areas including essential metrics for each requirement | - Client device types and capabilities - Applications and their requirements - User and device density - SSIDs - Security settings - Understand common vertical markets |
| Gather information on environmental factors | - Building materials - Attenuation values - Ceiling heights - Site annotations (photos, notes, plans) - Wireless environment scan- Packet captures
- Spectrum captures
- Wi-Fi scanners
|
Design the WLAN - 40% |
| Define WLAN architectures and select the appropriate architecture for a design | - Controller-based (physical and virtual) architectures - Distributed (cloud-based and local WNMS) - Standalone/Autonomous APs - Dynamic vs. static channel assignment - Dynamic radio management - Software defined radios - RF profiles - Select and/or recommend the appropriate equipment for the design and selected architecture (APs, antennas, controllers, managed services) |
| Produce a design to meet requirements | - Select and use the appropriate design tools- Design and survey software and hardware
- Spectrum analysis software and hardware
- Access points and antennas
- Portable power source
- Tripods
- Measuring tools
- Cameras
- Personal Protective Equipment (PPE)
- Select and use the appropriate design methodologies - WLAN predictive design (new builds/site or area not accessible)
- Validated RF modeling
- AP-on-a-Stick (APoS) measurements
- Bridge and mesh planning
- Understand and use the common features of wireless design software - Import and scale floor plans
- Model attenuation of the site (including calibration)
- Select and place APs and antennas
- Adjust AP and antenna settings
- Define requirement areas and parameters
- Define channel and power settings
- Select and use common vendor features and make configuration recommendations - Band steering
- Automatic/static channel selection
- Load balancing
- RF/AP templates
- Design for different client and application types - VoIP handsets
- Laptops
- Handheld scanners
- Smartphones and tablets
- IoT and smart devices
- Location tracking systems
- Voice and video systems
- Ensure end-to-end QoS is properly implemented - WMM
- Wired and wireless QoS mappings
- QoS markings, classifications, and queues
- Define and recommend security solutions - Monitoring (detection and prevention)
- Authentication servers
- EAP methods
- Authentication types
- Encryption types
- Design for secure roaming - Secure BSS transition (roaming)
- Vendor roaming solutions
- Client support issues
|
| Create, distributed, and communicate design documentation | - Bill of Materials (BoM) - Design reports - Physical installation guide |
Deploy the WLAN - 10% |
| Ensure proper understanding and implementation of the design | - Implementation meeting- Explain design decisions to implementers
- Ensure understanding of design deployment
- Distribute required documentation |
| Recommend or perform essential deployment tasks | - Understand and perform installation procedures for different WLAN architectures (cloud-based, controller-based, WNMS, autonomous) - Infrastructure configuration supporting the WLAN (DHCP, DNS, NTP, switches, and routers) - Channel assignment, automatic radio management, and transmit power configuration - Installation procedures for cloud-based APs, controller-based APs, WNMS APs, and autonomous APs |
| Perform an installation audit for quality assurance | - Verify proper AP and antenna location and orientation - Verify aesthetic requirements are met - Verify physical security of the installation |
Validate and Optimize the WLAN - 25% |
| Confirm the WLAN system is operational | - AP Status - Verify PoE provisioning of power requirements are met |
| Perform an RF validation survey | - Ensure coverage requirements - Evaluate impacts of contention and interference |
| Perform client performance testing | - Connectivity testing - Application testing - Roaming testing - Capacity testing - Security testing |
| Recommend appropriate physical adjustments | - AP - Antenna and connectors |
| Recommend appropriate RF adjustments | - RF channel assignment - RF channel bandwidth - RF coverage (transmit power, radio count, antennas) - RF interference issues |
| Recommend remediation for application issues | - Connectivity issues - Application issues - Roaming issues - Capacity issues - Security issues |
| Implement knowledge transfer and hand-off | - System training - Solution documentation and assets- Validation documentation
- Digital or physical assets
- Guides
- Floorplans
- Configuration documents
- Final meeting (Q&A and hand-off) |
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