DevOps Questions et reponses d'entretien
Question 16. Explain the difference between horizontal and vertical scaling.
Horizontal scaling involves adding more machines to a network to handle increased load, while vertical scaling involves increasing the power of existing machines.
Question 17. What is the role of a Container Registry in DevOps?
A Container Registry is a centralized repository for storing and managing Docker or other container images. It allows teams to share and distribute containerized applications.
Question 18. What is the 'Infrastructure as Code' (IaC) tool Terraform used for?
Terraform is used for provisioning and managing infrastructure in a declarative and version-controlled way. It supports multiple cloud providers and on-premises infrastructure.
Question 19. Explain the concept of 'Shift-Left' in DevOps.
Shift-Left in DevOps refers to moving testing and security practices earlier in the development lifecycle. It aims to catch and address issues as early as possible.
Question 20. What is the purpose of a Reverse Proxy in a DevOps architecture?
A Reverse Proxy is used to handle incoming client requests and distribute them to backend servers. It improves security, performance, and scalability.
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