You are give a task to implement infrastructure that will accommodate failed connections. Which of the following network topologies provides redundancy for a filed link?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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**Question: Implementing Redundant Network Topology**

You are given a task to implement infrastructure that will accommodate failed connections. Which of the following network topologies provides redundancy for a failed link?

- Ring topology
- Bus Topology
- Star topology
- Mesh topology

**Explanation:**

The question is asking which network topology is best suited to handle and provide redundancy in the event of a link failure. Here’s a brief overview of each topology:

1. **Ring Topology:**
   - In a ring topology, each node is connected to exactly two other nodes, forming a single continuous pathway for signals through each node.
   - This topology can handle single link failures if it’s a dual ring topology; however, a single ring topology without redundancy will be affected by any link failure as it will break the loop.

2. **Bus Topology:**
   - In a bus topology, all nodes are connected to a single central cable (the bus).
   - A failure in the central cable (bus) will bring down the entire network segments.

3. **Star Topology:**
   - In a star topology, each node connects to a central hub.
   - The central hub becomes a single point of failure; if the hub fails, all nodes connected to that hub cannot communicate.

4. **Mesh Topology:**
   - In a mesh topology, each node is connected to multiple other nodes.
   - This provides high redundancy, as there are multiple paths for data to travel in case a link fails. This is the most resilient topology concerning redundancy.

**Conclusion:**
The correct answer among the given options for providing redundancy for a failed link is the **Mesh topology**. It is designed to handle multiple failures due to its multiple paths for data transfer, thereby ensuring continuous network connectivity and robustness.
Transcribed Image Text:**Question: Implementing Redundant Network Topology** You are given a task to implement infrastructure that will accommodate failed connections. Which of the following network topologies provides redundancy for a failed link? - Ring topology - Bus Topology - Star topology - Mesh topology **Explanation:** The question is asking which network topology is best suited to handle and provide redundancy in the event of a link failure. Here’s a brief overview of each topology: 1. **Ring Topology:** - In a ring topology, each node is connected to exactly two other nodes, forming a single continuous pathway for signals through each node. - This topology can handle single link failures if it’s a dual ring topology; however, a single ring topology without redundancy will be affected by any link failure as it will break the loop. 2. **Bus Topology:** - In a bus topology, all nodes are connected to a single central cable (the bus). - A failure in the central cable (bus) will bring down the entire network segments. 3. **Star Topology:** - In a star topology, each node connects to a central hub. - The central hub becomes a single point of failure; if the hub fails, all nodes connected to that hub cannot communicate. 4. **Mesh Topology:** - In a mesh topology, each node is connected to multiple other nodes. - This provides high redundancy, as there are multiple paths for data to travel in case a link fails. This is the most resilient topology concerning redundancy. **Conclusion:** The correct answer among the given options for providing redundancy for a failed link is the **Mesh topology**. It is designed to handle multiple failures due to its multiple paths for data transfer, thereby ensuring continuous network connectivity and robustness.
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