Interview Questions and Answers
Intermediate / 1 to 5 years experienced level questions & answers
Ques 1. What is the difference between public, private, and hybrid clouds?
A public cloud is owned and operated by a third-party cloud service provider. A private cloud is used exclusively by one organization. A hybrid cloud combines elements of both public and private clouds.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 2. Explain the concept of virtualization in cloud computing.
Virtualization is the process of creating a virtual (rather than physical) version of something, such as a server, storage device, or network resources. In cloud computing, virtualization enables the efficient use of physical resources by creating virtual instances of them.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 3. What is the role of a hypervisor in virtualization?
A hypervisor, also known as a Virtual Machine Monitor (VMM), is a software or hardware component that allows multiple operating systems to share a single hardware host. It manages and allocates resources to virtual machines.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 4. What is the significance of Load Balancing in a cloud environment?
Load balancing distributes incoming network traffic across multiple servers to ensure that no single server is overwhelmed with too much traffic. It improves the performance, availability, and reliability of applications.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 5. Explain the difference between horizontal and vertical scaling.
Horizontal scaling involves adding more machines or nodes to a system to handle increased load. Vertical scaling involves increasing the resources (CPU, RAM) of an existing machine to handle increased load.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 6. What is serverless computing?
Serverless computing is a cloud computing execution model where the cloud provider manages the infrastructure, automatically allocating resources as needed to execute and scale applications. Developers only focus on writing code without worrying about server management.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 7. What is the difference between scalability and elasticity in cloud computing?
Scalability refers to the ability of a system to handle a growing amount of workload. Elasticity, on the other hand, is the ability to automatically adapt to changing workloads by provisioning and de-provisioning resources dynamically.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 8. Explain the concept of a CDN (Content Delivery Network).
A CDN is a network of distributed servers that work together to deliver web content, such as images and videos, to users based on their geographical location. It improves performance by reducing latency and increasing content availability.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 9. What is the role of a container orchestration tool, and name a popular one.
Container orchestration tools manage the deployment, scaling, and operation of application containers. Kubernetes is a popular container orchestration tool.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 10. Explain the term 'Multi-tenancy' in cloud computing.
Multi-tenancy is a cloud architecture where a single instance of a software application serves multiple customers (tenants). Each tenant's data is isolated and remains invisible to other tenants.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 11. What are the advantages of using serverless architecture in cloud computing?
Serverless architecture offers benefits such as reduced operational complexity, cost savings by paying only for actual usage, and automatic scalability. Developers can focus on code without managing servers.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 12. Explain the difference between stateful and stateless applications.
Stateful applications retain information about the state of a user's interactions, while stateless applications do not store such information between sessions. Stateless applications are often more scalable.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 13. What is a cloud service level agreement (SLA), and why is it important?
A cloud SLA is a contract between a cloud service provider and a customer that outlines the level of service and performance the customer can expect. It is important as it sets expectations and provides a basis for accountability.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 14. Explain the concept of 'BYOD' in the context of cloud computing security.
BYOD (Bring Your Own Device) is a policy that allows employees to use their personal devices to access company networks and data. In the context of cloud computing, it poses security challenges that need to be addressed.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 15. Explain the concept of 'Cloud Bursting' in cloud computing.
Cloud Bursting is the process of moving workloads from a private cloud to a public cloud during periods of high demand. It allows organizations to scale up temporarily when local resources are insufficient.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 16. What are the key considerations for data backup and recovery in the cloud?
Key considerations include regular backups, data encryption, geographic redundancy, and a well-defined recovery strategy. Ensuring data integrity and availability is crucial for business continuity.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 17. Explain the difference between horizontal and vertical scaling in the context of databases.
Horizontal scaling involves adding more database nodes to a system, while vertical scaling involves increasing the resources (CPU, RAM) of an existing database server. Horizontal scaling is often more scalable.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 18. Explain the concept of 'Fault Tolerance' in cloud computing.
Fault tolerance is the ability of a system to continue operating without interruption in the presence of hardware or software failures. Cloud environments use redundancy and failover mechanisms to achieve fault tolerance.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 19. What is 'Immutable Infrastructure' in cloud computing?
Immutable infrastructure is an approach where once an infrastructure component is deployed, it is never modified. Instead, new instances are created with updates, reducing configuration drift and improving consistency.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 20. Explain the concept of 'Blue-Green Deployment' in cloud computing.
Blue-Green Deployment is a strategy where two identical production environments, labeled 'blue' and 'green,' are maintained. Only one environment is active at a time, allowing for seamless updates and rollbacks.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 21. What is the role of a 'Reverse Proxy' in cloud architecture?
A reverse proxy is a server that sits between client devices and a web server, forwarding client requests to the server and returning the server's responses to the clients. It can improve security, performance, and scalability.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 22. Explain the concept of 'Serverless Database' in cloud computing.
A serverless database is a database service that automatically scales, provisions, and manages infrastructure based on the actual usage. Users are charged based on their consumption, and they don't need to manage database servers.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 23. What is 'Infrastructure as Code' (IaC) in cloud computing?
Infrastructure as Code is a practice of managing and provisioning computing infrastructure through machine-readable script files rather than physical hardware configuration or interactive configuration tools.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 24. Explain the concept of 'Data Sovereignty' in cloud computing.
Data sovereignty refers to the concept that data is subject to the laws of the country in which it is located. It is an important consideration for organizations dealing with sensitive or regulated data.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 25. Explain the concept of 'Edge Computing' in cloud architecture.
Edge computing is a paradigm where data processing is performed near the source of data generation rather than relying on a centralized cloud server. It reduces latency and bandwidth usage for time-sensitive applications.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 26. What are the key considerations for data migration to the cloud?
Key considerations include data security, compatibility, bandwidth, downtime, and ensuring data consistency during migration. A well-planned migration strategy is crucial for a successful transition.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Ques 27. Explain the concept of 'Compliance as Code' in cloud security.
Compliance as Code is an approach that uses code and automation to ensure that IT infrastructure adheres to regulatory and security compliance standards. It helps in maintaining a consistent and auditable compliance posture.
Save For Revision
Save For Revision
Bookmark this item, mark it difficult, or place it in a revision set.
Log in to save bookmarks, difficult questions, and revision sets.
Most helpful rated by users: