CS 498 Cloud Computing Midterm
Exam with Guaranteed Pass Solutions
2026 Updated.
Which of the following is NOT considered a PaaS?
Google AppEngine
Amazon AWS Lambda
Amazon Elastic BeanStalk
Microsoft Azure App Service - Answer Amazon AWS Lambda
Lambda is an example of a FaaS
Which of these is not considered serverless computing?
Platform as a Service (PaaS)
Function as a Service (FaaS)
Metal as a Service (MaaS) - Answer Metal as a Service (MaaS)
MaaS requires its users to run services on bare metal i.e., configure the server yourself and
hence is not serverless.
Which *aaS is best described by "The unit of compute is a full app"?
point
PaaS
IaaS
MaaS
FaaS - Answer PaaS
PaaS enables customers to develop, run, and manage business applications without the need to
build and maintain the infrastructure.It enables consumers to create custom applications that
run computation with ease.
Amazon DynamoDB is an example of a
point
Distributed NOSQL key/value storage service
Cloud-optimized SQL database
Function as a Service (FaaS) dynamic container offering
Centralized Big-Data blob storage - Answer Distributed NOSQL key/value storage service
,Once you upload your code, AWS Lambda does NOT automatically handle
point
autoscaling
capacity provisioning
fault tolerance
permanently saving state - Answer permanently saving state
Question 6
Amazon S3 BLOB Storage aims to provide high availability primarily by
- only offering the service to users with predictable, regular workloads to limit congestion
- relying on subcontractors to provide excess capacity
- using proprietary, expensive, high quality storage hardware that rarely fails
- replicating the data to multiple machines - Answer replicating the data to multiple
machines
Amazon S3 BLOB Storage's consistency model guarantees that once an object is deleted by a
process it cannot be read by any other process.
True
False - Answer False
AWS Lambda is a good technology to use when you have a function that will take several days to
run.
point
True, AWS Lambda is optimized for long-running jobs
False, AWS Lambda functions are not allowed to run for more than a few minutes - Answer
False
Amazon S3 BLOB Storage uses a weak consistency model.
point
False
True - Answer True
BLOB stands for "Binary Large OBjects"
point
True
False - Answer True
,A social media company wants to use DynamoDB for storing posts of users. Which secondary
indexing method should it use?
point
LSI
GSI - Answer GSI
What is the best model of delivery for the following scenario?
"An Electronic Health Record system for clinics and doctors"
1 point
Infrastructure-as-a-Service
Platform-as-a-Service
Software-as-a-Service - Answer Software-as-a-Service
Electronic Headlth Record system is a concrete cloud application.
What is the best model of delivery for the following scenario?
"A web hosting solution for PHP web applications"
point
Software-as-a-Service
Platform-as-a-Service
Infrastructure-as-a-Service - Answer Platform-as-a-Service
To provide web hosting solution, we allow users to run different web applications, but they
don't need to develop their own operating system environemnt.
What is the best model of delivery for the following scenario?
"A custom, lighting-fast storage solution for gigantic amount of data"
point
Platform-as-a-Service
Software-as-a-Service
Infrastructure-as-a-Service - Answer Infrastructure-as-a-Service
Correct! A customized operating system environment is needed in this storage solution.
Which approach is more economical for the following scenario?
"An established, mature business serves 10,000 users during business hours (9am
5pm) and 100 users outside of business hours each day."
, point
In-house servers
Hybrid approach
Cloud computing - Answer In-house servers
The servers are regularly and intensively utilized by a large amount of users during (long)
business hours.
Which approach is more economical for the following scenario?
"A long-running business serves 1,000 daily but 1,000,000 during the holiday session."
point
Hybrid approach
In-house servers
Cloud computing - Answer Hybrid approach
In-house servers are more economical during most normal days, while cloud computing needs
to be involved during the holiday.
Which approach is more economical for the following scenario?
"A long-running business needs 10,000 computers for one-time data processing."
point
Cloud computing
In-house servers
Hybrid approach - Answer Cloud computing
Purchasing 10,000 computers is too expensive for one-time data processing.
Which approach is feasible for the following scenario with the minimum efforts?
"ACME company needs to deploy a system with a modified OS."
point
Software-as-a-Service
Platform-as-a-Service
Packaged software
Infrastructure-as-a-Service - Answer Infrastructure-as-a-Service
They need to deploy the customized OS system.
Which approach is feasible for the following scenario with the minimum efforts?
"ACME company needs to provide a widely used application for its marketing team."
Exam with Guaranteed Pass Solutions
2026 Updated.
Which of the following is NOT considered a PaaS?
Google AppEngine
Amazon AWS Lambda
Amazon Elastic BeanStalk
Microsoft Azure App Service - Answer Amazon AWS Lambda
Lambda is an example of a FaaS
Which of these is not considered serverless computing?
Platform as a Service (PaaS)
Function as a Service (FaaS)
Metal as a Service (MaaS) - Answer Metal as a Service (MaaS)
MaaS requires its users to run services on bare metal i.e., configure the server yourself and
hence is not serverless.
Which *aaS is best described by "The unit of compute is a full app"?
point
PaaS
IaaS
MaaS
FaaS - Answer PaaS
PaaS enables customers to develop, run, and manage business applications without the need to
build and maintain the infrastructure.It enables consumers to create custom applications that
run computation with ease.
Amazon DynamoDB is an example of a
point
Distributed NOSQL key/value storage service
Cloud-optimized SQL database
Function as a Service (FaaS) dynamic container offering
Centralized Big-Data blob storage - Answer Distributed NOSQL key/value storage service
,Once you upload your code, AWS Lambda does NOT automatically handle
point
autoscaling
capacity provisioning
fault tolerance
permanently saving state - Answer permanently saving state
Question 6
Amazon S3 BLOB Storage aims to provide high availability primarily by
- only offering the service to users with predictable, regular workloads to limit congestion
- relying on subcontractors to provide excess capacity
- using proprietary, expensive, high quality storage hardware that rarely fails
- replicating the data to multiple machines - Answer replicating the data to multiple
machines
Amazon S3 BLOB Storage's consistency model guarantees that once an object is deleted by a
process it cannot be read by any other process.
True
False - Answer False
AWS Lambda is a good technology to use when you have a function that will take several days to
run.
point
True, AWS Lambda is optimized for long-running jobs
False, AWS Lambda functions are not allowed to run for more than a few minutes - Answer
False
Amazon S3 BLOB Storage uses a weak consistency model.
point
False
True - Answer True
BLOB stands for "Binary Large OBjects"
point
True
False - Answer True
,A social media company wants to use DynamoDB for storing posts of users. Which secondary
indexing method should it use?
point
LSI
GSI - Answer GSI
What is the best model of delivery for the following scenario?
"An Electronic Health Record system for clinics and doctors"
1 point
Infrastructure-as-a-Service
Platform-as-a-Service
Software-as-a-Service - Answer Software-as-a-Service
Electronic Headlth Record system is a concrete cloud application.
What is the best model of delivery for the following scenario?
"A web hosting solution for PHP web applications"
point
Software-as-a-Service
Platform-as-a-Service
Infrastructure-as-a-Service - Answer Platform-as-a-Service
To provide web hosting solution, we allow users to run different web applications, but they
don't need to develop their own operating system environemnt.
What is the best model of delivery for the following scenario?
"A custom, lighting-fast storage solution for gigantic amount of data"
point
Platform-as-a-Service
Software-as-a-Service
Infrastructure-as-a-Service - Answer Infrastructure-as-a-Service
Correct! A customized operating system environment is needed in this storage solution.
Which approach is more economical for the following scenario?
"An established, mature business serves 10,000 users during business hours (9am
5pm) and 100 users outside of business hours each day."
, point
In-house servers
Hybrid approach
Cloud computing - Answer In-house servers
The servers are regularly and intensively utilized by a large amount of users during (long)
business hours.
Which approach is more economical for the following scenario?
"A long-running business serves 1,000 daily but 1,000,000 during the holiday session."
point
Hybrid approach
In-house servers
Cloud computing - Answer Hybrid approach
In-house servers are more economical during most normal days, while cloud computing needs
to be involved during the holiday.
Which approach is more economical for the following scenario?
"A long-running business needs 10,000 computers for one-time data processing."
point
Cloud computing
In-house servers
Hybrid approach - Answer Cloud computing
Purchasing 10,000 computers is too expensive for one-time data processing.
Which approach is feasible for the following scenario with the minimum efforts?
"ACME company needs to deploy a system with a modified OS."
point
Software-as-a-Service
Platform-as-a-Service
Packaged software
Infrastructure-as-a-Service - Answer Infrastructure-as-a-Service
They need to deploy the customized OS system.
Which approach is feasible for the following scenario with the minimum efforts?
"ACME company needs to provide a widely used application for its marketing team."
