Q.1 What is the main idea behind cloud computing?
Storing data only on personal devices
Providing computing resources over the internet
Running applications offline
Using floppy disks for storage
Explanation - Cloud computing delivers services like storage, servers, databases, and software over the internet instead of local machines.
Correct answer is: Providing computing resources over the internet
Q.2 Which of the following is NOT a characteristic of cloud computing?
On-demand self-service
Resource pooling
Manual hardware configuration
Scalability
Explanation - Cloud computing eliminates the need for manual hardware configuration since resources are virtualized and managed online.
Correct answer is: Manual hardware configuration
Q.3 Which company introduced Amazon Web Services (AWS) in 2006?
Google
Microsoft
Amazon
IBM
Explanation - Amazon launched AWS in 2006, which became a leading cloud service provider globally.
Correct answer is: Amazon
Q.4 What does 'IaaS' stand for in cloud computing?
Internet as a Service
Infrastructure as a Service
Information as a Service
Integration as a Service
Explanation - IaaS provides virtualized computing resources over the internet, including servers, storage, and networking.
Correct answer is: Infrastructure as a Service
Q.5 Which of the following is an example of SaaS?
Google Docs
Amazon EC2
Microsoft Azure
VMware vSphere
Explanation - Software as a Service (SaaS) provides software applications over the internet, such as Google Docs.
Correct answer is: Google Docs
Q.6 Which deployment model makes cloud services available to the general public?
Private Cloud
Hybrid Cloud
Public Cloud
Community Cloud
Explanation - Public clouds are available for public use and are owned by cloud service providers.
Correct answer is: Public Cloud
Q.7 What is a key benefit of cloud computing?
Limited storage
High upfront cost
Scalability
Hardware dependency
Explanation - Cloud computing allows businesses to easily scale resources up or down based on demand.
Correct answer is: Scalability
Q.8 Which of the following is NOT a cloud service model?
PaaS
IaaS
SaaS
BIaaS
Explanation - The three major service models are IaaS, PaaS, and SaaS. BIaaS is not a standard model.
Correct answer is: BIaaS
Q.9 What does 'elasticity' mean in cloud computing?
Fixed storage capacity
Automatic scaling of resources based on demand
Manual software installation
Unchanging computing power
Explanation - Elasticity refers to the cloud's ability to automatically scale resources up or down according to workload needs.
Correct answer is: Automatic scaling of resources based on demand
Q.10 Which type of cloud is managed by a single organization for its own use?
Public Cloud
Hybrid Cloud
Private Cloud
Community Cloud
Explanation - Private clouds are dedicated to a single organization and offer greater control and security.
Correct answer is: Private Cloud
Q.11 What is the full form of PaaS?
Platform as a Service
Program as a Service
Process as a Service
Product as a Service
Explanation - PaaS provides a platform allowing customers to develop, run, and manage applications without managing infrastructure.
Correct answer is: Platform as a Service
Q.12 Which cloud model combines public and private clouds?
Private Cloud
Hybrid Cloud
Community Cloud
Virtual Cloud
Explanation - Hybrid clouds integrate both public and private cloud models for flexibility and control.
Correct answer is: Hybrid Cloud
Q.13 Which of these is an example of IaaS?
Dropbox
Amazon EC2
Google Workspace
Salesforce
Explanation - Amazon EC2 provides virtual servers and is a classic example of IaaS.
Correct answer is: Amazon EC2
Q.14 Which company provides Microsoft Azure cloud services?
Apple
Google
Microsoft
IBM
Explanation - Microsoft Azure is a popular cloud computing platform developed by Microsoft.
Correct answer is: Microsoft
Q.15 What is the primary advantage of SaaS?
No internet needed
Low maintenance for users
Complex setup process
Requires local servers
Explanation - SaaS applications are managed by providers, reducing the need for user-side maintenance.
Correct answer is: Low maintenance for users
Q.16 Which cloud deployment model is shared by several organizations with common concerns?
Public Cloud
Hybrid Cloud
Community Cloud
Private Cloud
Explanation - Community clouds are shared infrastructures used by organizations with shared concerns such as security or compliance.
Correct answer is: Community Cloud
Q.17 Which service allows developers to build applications without managing infrastructure?
SaaS
IaaS
PaaS
DaaS
Explanation - PaaS offers a ready-to-use platform for application development without handling infrastructure.
Correct answer is: PaaS
Q.18 Which of these is a feature of cloud computing?
Limited accessibility
Broad network access
Manual updates only
Physical storage only
Explanation - Cloud services can be accessed through standard networks such as the internet from anywhere.
Correct answer is: Broad network access
Q.19 What is 'multi-tenancy' in cloud computing?
Each user gets a private server
Multiple users share the same resources securely
One cloud provider per client
Exclusive use by one organization
Explanation - Multi-tenancy allows multiple customers to share resources while maintaining data security and privacy.
Correct answer is: Multiple users share the same resources securely
Q.20 Which of the following is a PaaS example?
Heroku
Dropbox
Amazon S3
Microsoft Word
Explanation - Heroku is a PaaS platform that provides a runtime environment for applications.
Correct answer is: Heroku
Q.21 Which essential concept of cloud allows paying only for what is used?
Fixed pricing
Pay-as-you-go
Free trial
Subscription only
Explanation - Cloud providers use a pay-as-you-go pricing model where users pay only for resources they consume.
Correct answer is: Pay-as-you-go
Q.22 Which organization defined the NIST cloud computing model?
Amazon
IEEE
NIST
ISO
Explanation - The National Institute of Standards and Technology (NIST) provided a widely accepted definition of cloud computing.
Correct answer is: NIST
Q.23 What does virtualization enable in cloud computing?
Using physical servers only
Running multiple virtual machines on a single physical machine
Manual data storage
Reducing automation
Explanation - Virtualization allows multiple operating systems and applications to run on the same physical hardware.
Correct answer is: Running multiple virtual machines on a single physical machine
Q.24 Which of these is NOT a benefit of cloud computing?
Flexibility
Reduced IT costs
Automatic updates
Hardware dependency
Explanation - Cloud computing reduces dependency on physical hardware by providing virtual resources.
Correct answer is: Hardware dependency
Q.25 Which giant tech company provides Google Cloud Platform (GCP)?
IBM
Google
Microsoft
Amazon
Explanation - Google Cloud Platform is a suite of cloud computing services provided by Google.
Correct answer is: Google