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Review and describe the most of import criteria for selecting inter interlocking devices at the core, access, and distribution layer in a computer profits The most important criteria for selecting inter meshing devices includes processing speed, reputation and viability of the vendor, ease of configuration, number of ports, uphold for security standards such as WPA or 802. 1i, ability to tune the diffuse power, support for QoS features, amount of memoryetc. Describe the key criteria confused in selecting WAN technologies and WAN suppliers. Discuss which criteria is the most important from your purview and state why. The criteria used to evaluate and select a WAN provider will vary from company to company. While cost may be the most important factor for one company, reliability may be the deciding factor for another.Enterprises should choose a WAN provider ground on the criteria that are most important to them include the extent of service and technologies offered by the pr ovider, the geographical area covered by the provider, best network access for each application flux, maximizing application performance, continuity and network usage, takes into account the end-to-end characteristics of each acquirable network (quality and bandwidth) to decide in real time the best access for each application immix quality parameters like network delay, jitter and loss, as well as the available bandwidth.Evaluated in real-time, these criteria are weighted according to the type of application flow voice will usually look for the fastest path maculation email may prefer the largest one.