In computer networking, a ____ refers to the arrangement of the different elements (links, nodes, etc.) of a computer network. Two common types of network topologies are the star topology and the ____ topology. In a star topology, all computers and devices are connected to a central device, which can be a switch or a hub. This configuration allows for easy addition or removal of devices without disrupting the ____. One disadvantage is that if the central device fails, the entire network becomes ____. On the other hand, a ring topology connects each device to exactly two other devices, forming a circular path for data to travel. This setup ensures that data travels in a single direction, either clockwise or counterclockwise. A downside to this topology is that if any device or connection fails, it can disrupt the entire ____ unless the network is equipped with a redundancy mechanism. These topologies, among others, are chosen based on factors like cost, scalability, and desired redundancy. Understanding these structures helps in designing efficient networks to meet specific organizational needs.

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