Disaster recovery planning in SCADA systems - Mini Project: Build & Apply

Disaster Recovery Planning for SCADA Systems

📖 Scenario: You work as a technician managing a SCADA (Supervisory Control and Data Acquisition) system that controls critical infrastructure. To ensure the system can recover quickly from failures, you need to create a disaster recovery plan that tracks key system components and their backup status.

🎯 Goal: Build a simple disaster recovery plan data structure that lists SCADA components and their backup status. Then, identify which components need backup updates and display them clearly.

📋 What You'll Learn

Create a dictionary named scada_components with exact component names and their backup status as boolean values.

Add a variable named backup_threshold set to False to represent components needing backup updates.

Use a dictionary comprehension named components_to_backup to filter components that have False backup status.

Print the components_to_backup dictionary to show components requiring backup.

💡 Why This Matters

🌍 Real World

SCADA systems control critical infrastructure like water, power, and manufacturing. Keeping track of backup status helps quickly recover from failures and avoid downtime.

💼 Career

Technicians and engineers use disaster recovery plans to maintain system reliability and safety. This project builds foundational skills in managing system status and recovery readiness.

1

Create SCADA components backup status dictionary

Create a dictionary called scada_components with these exact entries: 'RTU1': True, 'PLC2': False, 'HMI3': True, 'Sensor4': False, 'Actuator5': True.

SCADA systems

# Create the scada_components dictionary with exact entries
# Your code here

Need a hint?

Use curly braces to create a dictionary with component names as keys and boolean backup status as values.

2

Add backup threshold variable

Add a variable called backup_threshold and set it to False to represent components needing backup updates.

SCADA systems

scada_components = {'RTU1': True, 'PLC2': False, 'HMI3': True, 'Sensor4': False, 'Actuator5': True}
# Define backup_threshold variable
# Your code here

Need a hint?

Just assign the boolean value False to the variable backup_threshold.

3

Filter components needing backup

Use a dictionary comprehension named components_to_backup to select items from scada_components where the backup status equals backup_threshold.

SCADA systems

scada_components = {'RTU1': True, 'PLC2': False, 'HMI3': True, 'Sensor4': False, 'Actuator5': True}
backup_threshold = False
# Create components_to_backup dictionary using comprehension
# Your code here

Need a hint?

Use {key: value for key, value in dict.items() if condition} syntax to filter the dictionary.

4

Display components needing backup

Write a print statement to display the components_to_backup dictionary.

SCADA systems

scada_components = {'RTU1': True, 'PLC2': False, 'HMI3': True, 'Sensor4': False, 'Actuator5': True}
backup_threshold = False
components_to_backup = {comp: status for comp, status in scada_components.items() if status == backup_threshold}
# Print the components_to_backup dictionary
# Your code here

Need a hint?

Use print(components_to_backup) to show the filtered dictionary.