Most network professionals say that the bulk of the problems your network could encounter come from a poor infrastructure. It does not matter how well built the house is above ground if the foundation is not solid. A final note concerns the use of volunteers and students to install network infrastructure. The schools that have done this successfully have used the services of experts to train, oversee, or test the installations. In other words, make expert advice available to get the job done properly.
Some people mistakenly assume that they can save money by eliminating a planning process.
They prefer to spend their budgets right away on new hardware and software. The next time there is money in the budget, they run to buy more equipment. This strategy may work for the smallest of classroom labs, but on larger networks, ad hoc networking ends up being expensive, hard to support, and very complex for users.