Practice Quiz

CompTIA A+ 220-801

Category - 801: Networking

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Which of the following are disadvantages of a ring topology?
  1. Ring topology is the least scalable of all the topologies.
  2. If the hub fails, the entire network could go down.
  3. If one computer fails or one cable link is down, the entire topology could go down.
  4. The signal degeneration is very high, resulting in need for repeaters.
Explanation
Answer: C - A ring topology will fail if a computer fails or a link is down.

Key Takeaway: Because a ring topology provides only one pathway between any two nodes, ring networks may be disrupted by the failure of a single link. Hence, all communication through that node fails, collapsing the entire network.
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