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Elements and Performance Criteria

1. Specify requirements for voice over wireless architecture
   • Analyse voice requirements for use over a wireless network
   • Specify wireless requirements for voice applications for design considerations
   • Verify network for voice readiness and suitability
2. Design the implementation of secure VoWLAN
   • Configure wireless client devices
   • Design and configure the WLAN for VoWLAN with security configurations
   • Design and configure infrastructure devices
   • Devise structured troubleshooting methodology for VoWLAN implementation
3. Design, implement and QoS for wireless applications
   • Plan general design considerations for wired QoS
   • Design wireless QoS deployment schemes
   • Configure WLAN equipment for QoS
4. Design, implement and test multicast over wireless environment
   • Evaluate general multicast concepts
   • Analyse the implications for multicast in 802.11
   • Configure multicast requirements for a wireless network
   • Devise structured troubleshooting methodology for multicast in a WLAN environment
5. Plan and scope the wireless network for video and high-bandwidth applications
   • Design and implement QoS for latency-sensitive applications
   • Analyse the requirement for video applications over 802.11n WLAN
   • Calculate and predict bandwidth requirements for video applications over the wireless network
   • Analyse the impact of the WLAN interconnectivity for devices on QoS for devices or the wired side

Required Skills

Required skills

communication skills to liaise with internal or external personnel on technical operational and businessrelated matters

literacy skills to

interpret technical documentation

write reports as required

numeracy skills to take test measurements interpret results and evaluate performance and interoperability of network

planning and organisational skills to

coordinate the process in liaison with others

plan prioritise and monitor own work

problemsolving and contingencymanagement skills to

troubleshoot and debug WLAN issues

adapt configuration procedures to requirements of network

reconfigure depending on differing operational contingencies risk situations and environments

research skills to investigate appropriate hardware to meet requirements

technical skills to

select and configure networking devices and assess and implement security requirements

use networking tools

Required knowledge

configuration verification and troubleshoot procedures to undertake

router operation and routing

VLAN switching and interswitching communications

IOS and IP networking models

video and high bandwidth applications and requirements

voice applications and protocols

VoWLAN technologies

wireless

current regulations standards and certifications

deployment schemes

network security technology

network topologies and elements

networking protocols

WLAN devices and their specification and use

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package

Overview of assessment
Critical aspects for assessment and evidence required to demonstrate competency in this unit	Evidence of the ability to produce voice over wireless architecture requirements evaluate design and implement voice applications over WLAN use network tools to configure and test wireless infrastructure and applications
Context of and specific resources for assessment	Assessment must ensure access to site where network installation may be conducted hardware and software organisational guidelines computers standalone and lightweight WLAN controllers and AP hardware and software LANWLAN voice technologies appropriate learning and assessment support when required modified equipment for people with special needs
Method of assessment	A range of assessment methods should be used to assess practical skills and knowledge The following examples are appropriate for this unit direct observation of the candidate installing configuring and testing a new or updated network evaluation of documentation prepared by the candidate outlining testing procedures test results recommendation to network changes and completion records verbal or written questioning of required knowledge
Guidance information for assessment	Holistic assessment with other units relevant to the industry sector workplace and job role is recommended where appropriate Assessment processes and techniques must be culturally appropriate and suitable to the communication skill level language literacy and numeracy capacity of the candidate and the work being performed Indigenous people and other people from a nonEnglish speaking background may need additional support In cases where practical assessment is used it should be combined with targeted questioning to assess required knowledge

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Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Voice requirements may include:	codecs data flow hardware skinny call control protocol (SCCP) session initiation protocol (SIP) software standards.
Wireless requirements for voice may include:	cell overlap cell separations delay jitter latency QoS traffic separation.
Security may include:	802.11r Cisco centralised key management or proactive key caching (CCKM/PKC) extensible authentication protocol-flexible authentication via secure tunnelling (EAP-FAST) lightweight extensible authentication protocol (LEAP) protected extensible authentication protocol (PEAP) wi-fi protected access with extensible authentication protocol-transport layer security (WPA or WPA2 with EAP-TLS).

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