代写assignment

申请大学的personal statement:局域网和广域网的区别

申请大学的personal statement:局域网和广域网的区别

替代的网络设计,如局域网,将不适合这种情况。LAN可能会导致前面提到的安全问题。与广域网相比,它的成本肯定很低。与广域网不同的是,在这里它不需要很多高成本和高端安全性,也不需要技术人员从头开始设计它,而这本身就使LAN成为一个合适的选择。此外,与广域网相比,在局域网中出现问题的情况可能较少。容错控制之所以发生,是因为与广域网不同,局域网中与之关联的系统较少。使用的组件也更简单,这保证了局域网更合适,然而,地理距离方面仍然要求广域网是更合适的选择(Calvert et al., 1997)。基于成本效益问题,可以说一个人不能简单地使用广域网或局域网。现在,与其他网络设计相比,局域网的使用必须允许在所需覆盖范围较小的情况下使用。
例如,在大学设计的情况下,或在小型商业办公室网络的情况下,或在家庭网络的情况下,简单的互联办公室。在这里,成本将被控制,因为最小的设计,当涉及到更大的地理距离,然后广域网可以用来作为广域网将更适合连接更大的距离。这里的成本是平衡的,因为LAN是根据它的优势使用的,而WAN将连接不同的LAN拓扑。作为技术控制任务的一部分,网络管理员根据客户的需求进行网络的设计和规划,建立网络,通过性能监控和扩展网络来维护网络,是网络管理员的基本要求。现在,性能监视将考虑一系列可能影响网络的因素,如带宽服务、速度效率、拖放时间、最大用户登录时的峰值负载时间、安全问题等等。

申请大学的personal statement:局域网和广域网的区别

Alternative network design such as a LAN would not be suited for the situation. A LAN could result in issues of security as presented earlier. It would definitely be low cost compared to the WAN. Unlike the WAN, here it does not require much high cost and high end security or technicians for designing it from scratch and this by itself makes the LAN appear as a suitable option. Also compared to a WAN, the problem situations might occur less frequently in the case of the LAN. The fault tolerance controls happen because the LAN network has lesser systems associated with them unlike the WAN. Also the components used are much simpler and these assures that the LAN is much more suitable, however, the aspect of geographic distance still requires the WAN to be the more suitable option (Calvert et al., 1997).Based on cost benefit issues, it can be said one cannot simply use the WAN or the LAN alone. Now as comparison with alternative network designs suggests, the use of the LAN must be allowed in such situations where the coverage that is required is lesser.
For instance, in the case of University designs or in the case of small business office networks or in the case of a home network, simple interconnected offices. Here costs will be controlled because of the minimal design and when it comes to greater geographic distance, and then the WAN could be used as the WAN would be more suitable for connecting across larger distances. Costs are balanced here because LAN is used according to its strengths and WAN would connect the different LAN topologies across. As part of the technical control tasks, it is a basic requirement for the network administrator to work on the design and the planning of the network based on the client requirements, works on setting up the network, maintaining it by means of performance monitoring and expanding the network. Now performance monitoring would take into account a varied set of factors that could affect the network such as its bandwidth services, its speed efficiency, its drag time, and its efficiency during peak load time when maximum users log on, security issues and more.