Master It Chapter 3 First 3 Q's

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A.3. Chapter 3: Choosing the Correct Cabling Identify important network topologies for commercial buildings Over the years, various network topologies have been created: bus, ring, and star. From the perspective of cabling, the hierarchical star topology is now almost universal. It is also the easiest to cable. The ANSI/TIA-568-C and ISO/IEC 11801 Ed. 2 standards assume that the network architecture uses a hierarchical star topology as its physical configuration. This is the configuration you will most likely be involved in as you begin cabling commercial buildings. The ANSI/TIA-568-C standard specifies the use of the hierarchical star network; however, there are several ways of implementing this. Master It 1. What is the most typical implementation of the hierarchical star? Specifically, where are the horizontal cross-connection and workgroup switches typically placed? 2. To reduce the cost of a hierarchical star, the network designer has the option to locate network elements closer to equipment outlets. What is this called and what are the benefits? 3. In certain situations it makes sense to install all network equipment in a central location. What is this implementation of the hierarchical star topology called and what are the pros and cons? Solution 1. The typical implementation of the hierarchical star topology involves placing the horizontal cross-connection and work group switches in a telecommunications room(s) on each floor of a building. This allows equipment to be located in a room separate from the equipment outlets. Typically, the utilization of switch ports is low and can lead to higher costs compared to other implementations of the hierarchical star. 2. Placing horizontal cross-connections and work group switches closer to equipment outlets is called FTTE (fiber-to-the-telecommunications enclosure). The benefits include savings

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