Job Posts and Salary

The achievement of the CWNA certificate is what separates you from others within the IT field. This certification is what you need to prove the kind of skills you currently have as well as your capability in operating complex enterprise wireless networks. Job posts that you will be fitting after obtaining such a designation include a network administrator and systems administrator. As stipulated by ZipRecruiter.com, the current salary of CWNA certified specialists is almost $52k yearly.

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Understanding functional and technical aspects of CWNA® - Certified Wireless Network Administrator Business Principles and Practices

The following will be discussed in CWNP CWNA-108 exam dumps:

• Use of wireless LAN scanners for troubleshooting tasks
• Throughput testing
• Understand and use the basic features of validation tools (CHAPTER 12)
• Verify and document that design requirements are met including coverage, throughput, roaming, and connectivity with a post-implementation validation survey (CHAPTER 12)
• WPA2-Enterprise -configuring wireless networks to use 802.1X including connecting to RADIUS servers and appropriate EAP methods
• Best practices in secure management protocols (e.g. encrypted management HTTPS, SNMPv3, SSH2, VPN and password management)
• Understand basic security enhancements of encryption and integrity in WPA3 (e.g. CCMP, GCMP, AES)
• Use of protocol analyzers for troubleshooting tasks
• Use of wireless validation software (specifically survey software and wireless scanners)
• Real-time application testing
• Use of spectrum analyzers for identifying sources of interference
• Use of throughput testers for validation tasks
• Identify RF disruption from 802.11 wireless devices including contention vs. interference and causes/sources of both including co-channel contention (CCC), overlapping channels, and 802.11 wireless device proximity
• Describe and apply common troubleshooting tools used in WLANs (CHAPTER 13)
• Protocol and spectrum analyzers
• Understand basic concepts of WPA3 and Opportunistic Wireless Encryption (OWE) and enhancements compared to WPA2
• Understand basic security enhancements in WPA3 vs. WPA2
• VoIP testing
• Use of spectrum analyzers for validation tasks
• Fast Secure Roaming methods
• WLAN Troubleshooting
• Perform application testing to validate WLAN performance (CHAPTER 12)
• Describe common security options and tools used in wireless networks
• Use of management, monitoring and logging systems for troubleshooting tasks
• Identify sources of RF interference from non-802.11 wireless devices based on the investigation of airtime and frequency utilization
• Access control solutions (e.g. captive portals, NAC, BYOD)
• Locate and identify sources of RF interference (CHAPTER 12)
• Wireless Intrusion Prevention System (WIPS) and/or rogue AP detection
• Simultaneous Authentication of Equals (SAE) in WPA3 as an enhancement for legacy pre-shared key technology
• Understand the purpose of Opportunistic Wireless Encryption (OWE) for public and guest networks
• Identify and configure effective security mechanisms for enterprise WLANs
• Use of protocol analyzers for validation tasks
• Network and service availability
• Identify and troubleshoot common wireless issues (CHAPTER 13)
• Protected management frames
• Identify causes of insufficient throughput in the wireless distribution systems including LAN port speed/duplex misconfigurations, insufficient PoE budget, and insufficient Internet or WAN bandwidth
• Understand interference mitigation options including removal of interference source or change of wireless channel usage
• Application of AES with CCMP for encryption and integrity
• WPA2-Personal including limitations and best practices for pre-shared (PSK) use
• Identify and solve RF interference using spectrum analyzers

Understanding functional and technical aspects of CWNA® - Certified Wireless Network Administrator Business Principles and Practices

The following will be discussed in CWNP CWNA-108 exam dumps:

• WLAN controllers
• Scanning (active and passive)
• Capacity planning for high and very high-density environments
• AirTime Fairness
• Explain the process used to locate and connect to a WLAN
• Control
• MAC addressing
• DNS for address resolution for clients and APs
• Association
• Data
• Explain 802.11 channel access methods
• MAC frame format
• Explain 802.11 MAC operations
• PHY preamble and header
• Determine and configure required network services supporting the wireless network
• Describe features of, select, and install WLAN devices, control, and management systems
• Roaming
• Identify and explain the purpose of the three main 802.11 frame types
• Power save modes and frame buffering
• DHCP for client addressing, AP addressing and/or controller discovery
• Wireless network management systems
• Demonstrate awareness of common proprietary features in wireless networks
• Protection mechanisms
• Design considerations for guest access/BYOD
• EDCA
• CTS-to-Self
• Define terminology related to the 802.11 MAC and PHY
• Dynamic power and channel management features
• VLANs for segmentation
• Identify and explain the MAC frame format
• Client devices
• Connecting to 802.1X/EAP and Pre-Shared Key authentication networks
• Distribution System (DS)
• Band steering
• Design considerations for highly mobile devices (e.g. tablets and smartphones)
• Distribution System Media (DSM)
• Stations (STAs)
• Design considerations for voice
• Authentication
• NAV
• Interframe spaces (SIFS, DIFS, EIFS, AIFS)
• Design considerations for location services including Real-Time Location Services (RTLS)
• Wireless bridge and mesh APs
• SSID
• Physical carrier sense and virtual carrier sense
• Design considerations for data
• Authentication services (e.g. RADIUS, LDAP)
• Hidden node
• Access Control Lists for segmentation
• Design considerations for supporting legacy 802.11 devices
• BSS selection
• Describe design considerations for common deployment scenarios in wireless such as coverage requirements, roaming considerations, throughput, capacity and security
• MSDU, MPDU, PSDU, and PPDU
• DCF
• Wired network capacity requirements
• IBSS (Ad-Hoc)
• BSSID
• Access Points (APs)
• Connecting to hidden SSIDs
• Open System Authentication and Shared Key authentication
• Design considerations for video
• Time synchronization protocols (e.g. NTP, SNTP)
• Extended Service Set (ESS)
• Management
• RTS/CTS
• A-MSDU and A-MPDU
• Describe the components and functions that make up an 802.11 wireless service set
• Basic Service Set (BSS) (Infrastructure mode)

Reference: https://www.cwnp.com/certifications/cwna

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Audience for CWNA-108 Exam

Test CWNA-108 targets specialists who have a good understanding of wireless technology fundamentals. Also, they should know how WLAN architecture works and how to manage it on a daily basis. Besides, the examinees need to know how to configure, install, troubleshoot, and maintain wireless networks within enterprise deployments or small businesses.

Able to participate in the exam after 20 or 30 hours' practice

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