When designing a network it is important to consider which topology is best suited to the user requirements. The topology is the construction or layout of the network. Cost of implementation is also an important factor as are the running costs. The question of what the consequences are should a system failure occur, whether it be just a part of the network or total system failure should also be cogitated. The external communications requirements will …showed first 75 words of 1917 total…

…showed last 75 words of 1917 total…The dynamic data, however, should be backed up on a more regular bases. Rather than being backed up in terms of time, the frequency of backup should be in correlation with the dynamicy of the data. There should also be a backup performed at the end of each day. Two copies should be made, one to be kept on-site and one to be kept off-site for the same reasons outlined above for the static data.