Scalability Availability Basics MCQs with Answers and Explanations
Practice Scalability Availability Basics MCQs. from DevOps subject. with solved answers and explanations. updated syllabus-based questions.
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Question 1: What does "high availability" (HA) mean in a system design context?
High availability (HA) refers to system architectures designed to ensure continuous operation with minimal downtime, typically achieved through redundancy, failover mechanisms, and distributed architecture.
Question 2: In cloud computing, what does "auto-scaling" mean?
Auto-scaling automatically increases or decreases compute resources (such as virtual machines or containers) based on real-time demand, ensuring performance during traffic spikes and cost savings during low usage.
Question 3: What is the function of a load balancer in a DevOps architecture?
A load balancer distributes incoming network traffic across multiple servers to ensure no single server is overwhelmed, improving availability, reliability, and scalability of applications.
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