Describe ATM Asynchronous Transfer Mode is a very important high-speed telecom protocol that transmits fixed length packets. That makes it suitable for transmitting voice and video, both of which require fixed intervals between packets to produce natural sounding speech. Wireless LANs have the advantage in hazardous environments, historic buildings, where ducts are already full, and temporary installations. Create an overall architecture - a network architecture needs to contain a set of company policies and rules which are expected to lead to the desired network environment. Achieve connectivity - the goal will not be a single network, but finding a means to interconnect dissimilar networks.
Connectivity means allowing users to communicate up, down, across, and out of the organization.
The capability for different machines, using different operating systems, on different networks to work together on tasks - exchanging information in standard ways without any changes in the command language or in functionality and without physical intervention. Installed on the client. Web Server - contains the applications, databases, security software and comm software needed for processing requests. This Internet connection device typically provides IP protocol support and packet-level filtering. Firewall - protect internal IP addresses from being accessed by outsiders.