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What does availability mean in terms of security?
The ability of a system or service to be operational and accessible when needed.
How is availability typically measured?
As a percentage of uptime versus downtime over a specific period.
How are high availability systems built?
By designing systems to minimize downtime and ensure continuous operation even during failures or maintenance.
What does reliability mean in terms of a system?
The ability of a system to perform its functions consistently and accurately under specific conditions.
What is reliability related to in terms of performance?
The probability of failure-free operation within a given time frame.
What are reliable systems less prone to?
Failures and errors, contributing to system stability and performance.
What does usability refer to in a system?
How easy and efficient it is for users to interact with the system to achieve their goals effectively.
What factors contribute to good usability?
User interface design, navigation, accessibility, and user experience.
A system with good usability is _______.
Intuitive, user-friendly, and meets the needs of its intended users.
What does scalability mean in terms of a system?
The capability of a system to handle increased workload or demand by adding resources.
What are the two types of scalability?
Vertical scalability (adding resources to a single machine) and horizontal scalability (adding more machines).
What does scalability allow a system to do?
Accommodate growth without significantly affecting performance or functionality.
What does maintainability refer to in a system?
How easily and effectively a system can be maintained, modified, or repaired over its lifecycle.
What factors contribute to maintainability?
Code readability, modularity, documentation, and ease of debugging and troubleshooting.
A maintainable system is _______.
Cost-effective to manage and can adapt to changes in requirements or technology.
A company’s website experiences a surge in traffic during a major event, yet it remains operational without any downtime.
Availability
A system includes redundant servers that immediately take over if one fails, ensuring continuous access for users.
Availability
An online streaming service boasts a 99.99% uptime for its users, ensuring access at almost any time.
Availability
A financial application processes transactions accurately and consistently over thousands of uses without errors.
Reliability
A monitoring system can operate for months without a single failure, providing uninterrupted service.
Reliability
A software program handles input data consistently without crashing or producing incorrect results.
Reliability
A new mobile app is highly intuitive, with clear navigation and simple user instructions, making it easy for first-time users to accomplish tasks.
Usability
An enterprise system is designed with accessibility features, allowing visually impaired users to interact with it effectively.
Usability
A web application consistently receives feedback from users stating that it is “easy to use” and “straightforward.”
Usability
An e-commerce website doubles its server capacity to handle increased demand during a holiday sale, ensuring smooth performance.
Scalability
A startup expands its data processing capabilities by adding more servers to its cloud-based infrastructure.
Scalability
A database is optimized to handle larger workloads by upgrading to more powerful hardware.
Scalability
A software system includes modular code and comprehensive documentation, enabling quick fixes and updates.
Maintainability
A development team easily adapts an existing application to new requirements due to its clean, organized codebase.
Maintainability
An IT administrator quickly identifies and resolves an issue in a software system due to clear logging and debugging tools.
Maintainability
A healthcare provider needs a system that ensures 24/7 access to patient records to prevent delays in critical treatments.
Availability
A user submits a request for payroll processing, and the system completes it on time despite high server load.
Availability
An airline booking system ensures that ticket reservations can be made even during system updates or routine maintenance.
Availability
A self-driving car system requires components that function without failure for thousands of operational hours.
Reliability
A banking application processes hundreds of transactions per second accurately, ensuring there are no discrepancies.
Reliability
A company requires a manufacturing control system to run consistently for months without requiring frequent repairs.
Reliability
A navigation app provides users with an intuitive search bar, allowing them to input destinations easily and efficiently.
Usability
A productivity tool offers customizable themes and keyboard shortcuts to improve the user experience for power users.
Usability
A government portal ensures compliance with accessibility standards, allowing users with disabilities to navigate it.
Usability
A video streaming service adds servers to its network to handle increased traffic during the release of a new show.
Scalability
A social media platform integrates additional storage resources to support a rapidly growing user base.
Scalability
An analytics platform scales horizontally by adding new nodes to process large datasets for multiple clients in parallel.
Scalability
A software development team fixes bugs quickly due to well-documented code and clear error logs.
Maintainability
A company migrates its software to new hardware with minimal effort because the codebase was written with portability in mind.
Maintainability
A SaaS application is regularly updated with new features and patches without disrupting the service for existing users.
Maintainability
