1- Consider the network shown below. Using Dijkstra´s algorithm, and showing your work using a table similar to below table 5.1, do the following: a. Compute the shortest path from t to all network nodes. b. Compute the shortest path from u to all network nodes. c. Compute the shortest path from v to all network nodes. d. Compute the shortest path from w to all network nodes. e. Compute the shortest path from y to all network nodes. f. Compute the shortest path from z to all network nodes. 8 step 0 1 2 3 4 5 12 3 N' u ux uxy uxyv 4 W uxyvw uxyvwz D (v), p (v) 2, u 2, u 2, u D (w), p (w) 5, u 4, X 3, y 3, y D (x), p (x) 1,u D (y), p (y) ∞ 2, X D (Z), p (z) ∞ 8 4, y 4, y 4, y

1- Consider the network shown below. Using Dijkstra´s algorithm, and showing your work using a table similar to below table 5.1, do the following: a. Compute the shortest path from t to all network nodes. b. Compute the shortest path from u to all network nodes. c. Compute the shortest path from v to all network nodes. d. Compute the shortest path from w to all network nodes. e. Compute the shortest path from y to all network nodes. f. Compute the shortest path from z to all network nodes. 8 step 0 1 2 3 4 5 12 3 N' u ux uxy uxyv 4 W uxyvw uxyvwz D (v), p (v) 2, u 2, u 2, u D (w), p (w) 5, u 4, X 3, y 3, y D (x), p (x) 1,u D (y), p (y) ∞ 2, X D (Z), p (z) ∞ 8 4, y 4, y 4, y

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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Concept explainers

Network transmission cabling

A network is a collection of devices connected by communication links. A device can be a computer or any instrument capable of sending and receiving data or information formed by other nodes toward the network. A channel that connects people or things is known as a network. It sends the data from one place to another. It is the basic concept of a computer, network, and data communications.

Question

1- Consider the network shown below. Using Dijkstra's algorithm, and showing your
work using a table similar to below table 5.1, do the following:
a. Compute the shortest path from t to all network nodes.
b. Compute the shortest path from u to all network nodes.
c. Compute the shortest path from v to all network nodes.
d. Compute the shortest path from w to all network nodes.
e. Compute the shortest path from y to all network nodes.
f. Compute the shortest path from z to all network nodes.
8
step
0
1
2
3
4
5
12
3
N'
u
ux
uxy
8
uxyv
4
W
uxyvw
uxyvwz
7
3
D (V), p (v)
2, u
2, u
4
2, u
12
D (w), p (w)
5, u
4, x
3, y
3, y
D (x), p (x)
1,u
D (y), p (y)
∞
2, X
D (Z), p (z)
∞
∞
4, y
4, y
4, y

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