List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.
ELEMENT | PERFORMANCE CRITERIA |
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. |
1. Identify WAN needs | 1.1 Identify the different LAN, wireless local area network (WLAN) or virtual private network (VPN) segments of the proposed WAN 1.2 Determine segment needs using functional analysis 1.3 Estimate traffic content and volumes according to expected organisational usage, by examining telecommunications infrastructure 1.4 Develop an organisational WAN functional matrix |
2. Create WAN specification | 2.1 Determine resource requirements for each LAN, WLAN or VPN segment on the basis of functional analysis 2.2 Consider and report how features of the physical environment affect WAN design 2.3 Choose a WAN service appropriate to the amount and type of traffic expected to access the WAN 2.4 Include redundant links in the proposed WAN connectivity for link backup purposes, in case the main link is disrupted 2.5 Document appropriate WAN service |
Evidence of the ability to:
consider budget constraints and business needs
identify the configuration for connecting a local area network (LAN), wireless local area network (WLAN) or virtual private network (VPN) into a wide area network (WAN)
document the configuration.
Note: If a specific volume or frequency is not stated, then evidence must be provided at least once.
To complete the unit requirements safely and effectively, the individual must:
summarise the typical network topologies for the following networks:
large and small LANs
WANs
VPNs
virtual local area networks (VLANs)
WLANs
identify and describe the typical components and technologies required for a WAN, including:
concepts and types of modems
internet protocol (IP) addressing
packet switching
routed or routable protocols, including IP, IPX and AppleTalk
router operations, including double data rate (DDR)
routing protocols, including routing information protocol (RIP), enhanced interior gateway routing protocol (EIGRP) and open shortest path first (OSPF)
transmission control protocols or internet protocols (TCPs/IPs)
relationship of asynchronous and synchronous communication
use of microwave and satellite communication in networking
describe the business consideration for establishing a WAN, including:
constraints and costs
features of telecommunications infrastructure, including the difference between digital and analogue networks
growth projections and capacity planning
high or low speed links
protocols
redundancy paths
response time and reliability requirements
scope of operation
security
traffic flow patterns
traffic load
users and the applications expected.
Gather evidence to demonstrate consistent performance in conditions that are safe and replicate the workplace. Noise levels, production flow, interruptions and time variances must be typical of those experienced in the network industry, and include access to:
design documents relating to LANs to be incorporated into the WAN
equipment specifications
vendor product catalogues and costs.
Assessors must satisfy NVR/AQTF assessor requirements.