### Chapter 7: Computer Networks and Cloud Computing**Page 392****16. Given the following diagram, where the numbers represent the time delays across a link:**A diagram is presented with nodes labeled A, B, C, D, E, F, and G. Each connection (link) between the nodes includes a number indicating the time delay:- A to B: 5- A to C: 2- A to D: 6- B to C: 4- B to E: 3- C to G: 1- D to E: 1- E to F: 1- F to G: 8**Questions:**a. How many simple paths (those that do not repeat a node) are there from node A to G?b. What is the shortest path from node A to node G? What is the overall delay?c. If node E fails, does that change the shortest path? If so, what is the new shortest path?### Explanation:This exercise involves analyzing a network diagram with nodes and weighted links to find the number of simple paths, determine the shortest path in terms of overall delay, and consider the impact of node failure on the shortest path.

Simple paths are the paths from vertex to vertex without involving any loops or cycles…

How many simple paths (those that do not repeat a node) are there from node A to G? What is the shortest path from node A to node G? What is the overall delay? If node E fails, does that change the shortest path? If so, what is the new shortest path?

How many simple paths (those that do not repeat a node) are there from node A to G? What is the shortest path from node A to node G? What is the overall delay? If node E fails, does that change the shortest path? If so, what is the new shortest path?

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

Section: Chapter Questions

Problem 1PE

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Question

### Chapter 7: Computer Networks and Cloud Computing

**Page 392**

**16. Given the following diagram, where the numbers represent the time delays across a link:**

A diagram is presented with nodes labeled A, B, C, D, E, F, and G. Each connection (link) between the nodes includes a number indicating the time delay:

- A to B: 5
- A to C: 2
- A to D: 6
- B to C: 4
- B to E: 3
- C to G: 1
- D to E: 1
- E to F: 1
- F to G: 8

**Questions:**

a. How many simple paths (those that do not repeat a node) are there from node A to G?

b. What is the shortest path from node A to node G? What is the overall delay?

c. If node E fails, does that change the shortest path? If so, what is the new shortest path?

### Explanation:

This exercise involves analyzing a network diagram with nodes and weighted links to find the number of simple paths, determine the shortest path in terms of overall delay, and consider the impact of node failure on the shortest path.

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