Q.1 Which of the following is a fundamental characteristic of cloud architecture?
High latency
On-demand self-service
Manual provisioning
Single-tenant hosting
Explanation - Cloud architecture enables users to provision resources automatically without human intervention, a key feature called on-demand self-service.
Correct answer is: On-demand self-service
Q.2 Which cloud service model provides virtualized hardware resources like servers and storage?
SaaS
IaaS
PaaS
FaaS
Explanation - Infrastructure as a Service (IaaS) delivers virtualized infrastructure such as computing, storage, and networking.
Correct answer is: IaaS
Q.3 Which cloud deployment model is shared among multiple organizations with similar concerns?
Private Cloud
Community Cloud
Public Cloud
Hybrid Cloud
Explanation - Community Cloud is shared by multiple organizations that have common regulatory, security, or compliance concerns.
Correct answer is: Community Cloud
Q.4 Which of these is NOT a standard cloud deployment model?
Public Cloud
Hybrid Cloud
Distributed Cloud
Local Cloud
Explanation - Public, Private, Hybrid, and Community are standard cloud deployment models. 'Local Cloud' is not an official model.
Correct answer is: Local Cloud
Q.5 Which service model provides software applications directly to end-users over the internet?
SaaS
IaaS
PaaS
DaaS
Explanation - Software as a Service (SaaS) delivers applications like Gmail or Office 365 to users via the internet.
Correct answer is: SaaS
Q.6 Which of the following is an example of a PaaS offering?
Microsoft Azure App Service
Dropbox
Amazon EC2
VMware vSphere
Explanation - Azure App Service is a PaaS offering that allows developers to deploy and manage applications without managing infrastructure.
Correct answer is: Microsoft Azure App Service
Q.7 What is the main benefit of a hybrid cloud model?
Cost always increases
Combines on-premises with public cloud
Only used by government
No scalability
Explanation - Hybrid cloud integrates private and public clouds, allowing businesses to balance control, security, and scalability.
Correct answer is: Combines on-premises with public cloud
Q.8 In cloud architecture, elasticity refers to:
Ability to stretch physical servers
Automatic scaling of resources
Replication of backups
Software licensing model
Explanation - Elasticity in cloud means resources can be scaled up or down automatically based on demand.
Correct answer is: Automatic scaling of resources
Q.9 Which cloud model provides highest level of user control over infrastructure?
SaaS
PaaS
IaaS
FaaS
Explanation - IaaS provides users with control over operating systems, storage, and applications, unlike SaaS or PaaS.
Correct answer is: IaaS
Q.10 Which of the following is a drawback of public cloud?
High initial setup cost
Limited scalability
Less control over infrastructure
Difficult to access remotely
Explanation - Public cloud provides scalability and low cost, but users have less control compared to private setups.
Correct answer is: Less control over infrastructure
Q.11 Which company first popularized the concept of modern cloud computing with AWS?
Microsoft
Amazon
Google
IBM
Explanation - Amazon Web Services (AWS), launched in 2006, was the first major commercial cloud provider.
Correct answer is: Amazon
Q.12 Cloud bursting is a feature of which deployment model?
Hybrid Cloud
Community Cloud
Private Cloud
Public Cloud
Explanation - Cloud bursting in hybrid cloud allows workloads to 'burst' from private to public cloud when demand spikes.
Correct answer is: Hybrid Cloud
Q.13 Which of the following best describes multi-tenancy in cloud architecture?
One user per server
Multiple users share resources securely
Only one application allowed
Exclusive private access
Explanation - Multi-tenancy allows multiple customers to share the same infrastructure while keeping their data isolated.
Correct answer is: Multiple users share resources securely
Q.14 Which service model is best suited for developers who want to build applications without managing servers?
SaaS
PaaS
IaaS
CaaS
Explanation - PaaS abstracts the infrastructure layer and lets developers focus on coding applications.
Correct answer is: PaaS
Q.15 Which layer of cloud architecture manages APIs and user interfaces?
Application Layer
Service Layer
Resource Layer
Infrastructure Layer
Explanation - The application layer provides APIs, dashboards, and interfaces for users to interact with cloud services.
Correct answer is: Application Layer
Q.16 Which is the main advantage of private cloud over public cloud?
Unlimited free resources
Higher security and control
No need for IT staff
Always cheaper
Explanation - Private clouds provide organizations with more security and control, though they may be more costly.
Correct answer is: Higher security and control
Q.17 Which of these is a serverless computing model?
IaaS
SaaS
PaaS
FaaS
Explanation - Function as a Service (FaaS) allows developers to deploy functions without managing servers, e.g., AWS Lambda.
Correct answer is: FaaS
Q.18 What does virtualization primarily enable in cloud architecture?
Eliminates hardware
Abstracts physical resources
Replaces operating systems
Removes applications
Explanation - Virtualization abstracts and pools hardware resources, enabling efficient use and scalability in cloud environments.
Correct answer is: Abstracts physical resources
Q.19 Which of these is a key component of cloud architecture?
Virtualization
Manual provisioning
Desktop-only access
Monolithic servers
Explanation - Virtualization is the foundation of cloud, enabling flexible allocation of hardware resources.
Correct answer is: Virtualization
Q.20 Which deployment model is best for organizations needing maximum security and regulatory compliance?
Public Cloud
Hybrid Cloud
Private Cloud
Community Cloud
Explanation - Private cloud is dedicated to a single organization, making it ideal for strict security and compliance.
Correct answer is: Private Cloud
Q.21 Which component in cloud architecture ensures workload distribution?
Virtual Machines
Load Balancer
Hypervisor
Firewall
Explanation - Load balancers distribute traffic and workloads evenly across multiple servers to ensure performance.
Correct answer is: Load Balancer
Q.22 Which is the foundation technology for cloud architecture?
Blockchain
Virtualization
Machine Learning
IoT
Explanation - Virtualization enables abstraction of physical hardware into virtual resources, the basis of cloud computing.
Correct answer is: Virtualization
Q.23 Which cloud deployment model is most cost-effective for startups?
Private Cloud
Community Cloud
Public Cloud
Hybrid Cloud
Explanation - Public clouds are cost-effective due to shared resources, making them suitable for startups.
Correct answer is: Public Cloud
Q.24 Which of the following is a challenge in hybrid cloud management?
Low scalability
Vendor lock-in
Data synchronization
No automation
Explanation - Synchronizing and securing data between private and public components is a key challenge in hybrid clouds.
Correct answer is: Data synchronization
Q.25 Which service model is best for business users with minimal IT expertise?
IaaS
SaaS
PaaS
FaaS
Explanation - SaaS requires no IT expertise, as applications are accessed directly over the internet without setup.
Correct answer is: SaaS