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Question 1. Which of the following is a defining characteristic of cloud computing as outlined by NIST? A) Manual provisioning B) On-demand self-service C) Limited network access D) Fixed resource allocation Answer: B Explanation: On-demand self-service allows consumers to provision computing resources automatically without human interaction with the provider, making it a fundamental cloud characteristic. Question 2. In the IaaS cloud service model, which of the following is primarily managed by the cloud provider? A) Applications B) Operating systems C) Virtualization D) Customer data Answer: C
Explanation: In IaaS, the provider manages the physical infrastructure and virtualization layer, while the consumer manages the OS, apps, and data. Question 3. Which deployment model involves sharing cloud infrastructure among several organizations with common concerns? A) Public Cloud B) Private Cloud C) Hybrid Cloud D) Community Cloud Answer: D Explanation: Community clouds are shared by several organizations with similar requirements and concerns, such as mission or security needs. Question 4. What is the main purpose of a hypervisor in cloud architecture? A) To encrypt data B) To manage virtual machines C) To provide network access
D) Rapid elasticity Answer: C Explanation: Scalability is a key characteristic; cloud computing allows rapid and flexible scaling of resources. Question 7. Which deployment model gives an organization the most control over its cloud environment? A) Public Cloud B) Private Cloud C) Hybrid Cloud D) Community Cloud Answer: B Explanation: Private clouds are operated solely for one organization, providing greater control over security and resources. Question 8. What is a major advantage of using containers in cloud computing? A) Increased physical server requirements B) Improved application portability C) More complex application deployment
D) Reduced resource sharing Answer: B Explanation: Containers package applications and dependencies, making them portable across different environments. Question 9. In the shared responsibility model, who is responsible for patching the guest operating system in IaaS? A) Cloud provider B) Cloud consumer C) Both provider and consumer D) Third-party auditor Answer: B Explanation: In IaaS, the consumer is responsible for managing and patching the guest OS. Question 10. Which cloud service model is best suited for developers needing a platform to build custom applications without managing the underlying infrastructure? A) SaaS B) IaaS
B) Public Cloud C) Hybrid Cloud D) Dedicated Cloud Answer: C Explanation: A hybrid cloud integrates public and private cloud resources for flexibility and optimization. Question 13. What is serverless computing? A) Computing with only physical servers B) Running code without managing infrastructure C) Manual resource provisioning D) Hosting applications on local devices Answer: B Explanation: Serverless computing allows developers to run code in response to events without provisioning or managing servers. Question 14. Which of the following best describes multitenancy in cloud computing? A) Single customer per resource
B) Each customer gets a dedicated server C) Multiple customers share the same resources D) No resource sharing Answer: C Explanation: Multitenancy enables several consumers to share computing resources securely and efficiently. Question 15. Which cloud deployment model is most appropriate for a government agency requiring maximum data security and compliance? A) Public Cloud B) Private Cloud C) Hybrid Cloud D) Community Cloud Answer: B Explanation: Private clouds offer the highest control over data, security, and compliance, making them suitable for sensitive organizations. Question 16. What is the main purpose of measured service in the cloud? A) Unlimited resource use
B) Hosting virtual machines C) Email and collaboration tools D) Managing server hardware Answer: C Explanation: SaaS is commonly used for applications like email, CRM, and collaboration, accessible via web browsers. Question 19. What is the main role of an identity and access management (IAM) system in the cloud? A) Data backup B) Cost optimization C) User authentication and authorization D) Application deployment Answer: C Explanation: IAM systems control user access and permissions to cloud services and resources. Question 20. Which cloud service model requires the consumer to manage the most components? A) SaaS
B) PaaS C) IaaS D) BPaaS Answer: C Explanation: IaaS provides infrastructure; the consumer manages OS, middleware, and applications. Question 21. Which of the following is a benefit of rapid elasticity in cloud computing? A) Static resource allocation B) Automatic scaling to demand C) Increased downtime D) Fixed capacity Answer: B Explanation: Rapid elasticity enables resources to be quickly scaled up or down as needed. Question 22. What is the function of a cloud orchestrator? A) Manages hardware installations
B) Hypervisors C) Containers D) Physical servers Answer: C Explanation: Containers isolate applications using OS-level virtualization, sharing the host OS kernel. Question 25. What does "broad network access" mean in the context of cloud computing? A) Limited to corporate networks B) Access only via VPN C) Access from multiple devices and locations over the network D) No network required Answer: C Explanation: Broad network access means services are available over the network and accessible from various client platforms. Question 26. Which of the following is a typical responsibility of the cloud provider in the SaaS model? A) Software patching
B) Customer data management C) Application configuration D) User account management Answer: A Explanation: In SaaS, the provider manages the application, including patching and updates. Question 27. What is the main purpose of a cloud service level agreement (SLA)? A) To define user permissions B) To specify application features C) To outline performance, uptime, and support commitments D) To set pricing Answer: C Explanation: SLAs formalize expectations for service availability, performance, and support between provider and customer. Question 28. Which is NOT a common risk associated with public cloud adoption? A) Vendor lock-in
B) PaaS C) SaaS D) DaaS Answer: D Explanation: Desktop as a Service (DaaS) delivers virtual desktops hosted in the cloud. Question 31. Which of the following is a benefit of cloud resource pooling? A) Increased data fragmentation B) Higher costs C) Efficient resource utilization among multiple customers D) Unique hardware allocation per user Answer: C Explanation: Resource pooling allows providers to efficiently allocate resources to serve multiple customers. Question 32. What is the primary difference between public and private cloud deployment models? A) Network speed
B) Resource ownership and access C) Hardware type D) Software version Answer: B Explanation: Public clouds are owned by providers and serve many customers, while private clouds are operated for a single organization. Question 33. Which of the following is a common feature of cloud management platforms? A) Manual server patching B) Automated resource provisioning C) Limited scalability D) Physical hardware monitoring only Answer: B Explanation: Cloud management platforms enable automated provisioning of resources, improving efficiency. Question 34. Which cloud security control ensures that only authorized users can access specific resources? A) Encryption
B) Virtualized desktop C) Microservices-based web application D) Physical appliance Answer: C Explanation: Cloud-native applications use microservices and are designed for scalability and resilience in the cloud. Question 37. What is a primary business driver for migrating to the cloud? A) Increased hardware maintenance B) Enhanced scalability and agility C) Greater data center footprint D) Slower innovation Answer: B Explanation: Cloud migration enables rapid scaling and supports faster business innovation. Question 38. Which of the following describes the shared responsibility model in cloud computing? A) Provider and customer share all responsibilities equally
B) Provider is responsible for everything C) Customer is responsible for everything D) Provider and customer each have defined responsibilities for security and operations Answer: D Explanation: The shared responsibility model outlines which aspects are managed by the provider and which by the customer. Question 39. Which of the following cloud deployment models allows organizations to use both on-premises and cloud resources? A) Public Cloud B) Private Cloud C) Hybrid Cloud D) Community Cloud Answer: C Explanation: Hybrid clouds combine on-premises infrastructure with cloud resources for flexibility. Question 40. What is the main function of a cloud API? A) Encrypt data in transit
