AWS Cloud Practitioner Essentials exam
AWS Cloud Practitioner Essentials
Question
What is cloud computing?
- Backing up files that are stored on desktop and mobile devices to prevent data loss
- Deploying applications connected to on-premises infrastructure
- Running code without needing to manage or provision servers
- On-demand delivery of IT resources and applications through the internet with pay-as-you-go pricing
Ans : Highlighted one
Question
What is another name for on-premises deployment?
- Private cloud deployment
- Cloud-based application
- Hybrid deployment
- AWS Cloud
How does the scale of cloud computing help you to save costs?
You do not have to invest in technology resources before using them.
The aggregated cloud usage from a large number of customers results in lower pay-as-you-go prices.
Accessing services on-demand helps to prevent excess or limited capacity.
You can quickly deploy applications to customers and provide them with low latency.
Which Amazon EC2 instance type is suitable for data warehousing applications?
Memory optimized
Storage optimized
General purpose
Compute optimized
Which Amazon EC2 instance type balances compute, memory, and networking resources?
Memory optimized
Storage optimized
General purpose
Compute optimized
Which Amazon EC2 instance type is ideal for high-performance databases?
Memory optimized
Storage optimized
General purpose
Compute optimized
Which Amazon EC2 instance type offers high-performance processors?
Memory optimized
Storage optimized
General purpose
Compute optimized
Which Amazon EC2 pricing option provides a discount when you specify a number of EC2 instances to run a specific OS, instance family and size, and tenancy in one Region?
Convertible Reserved Instances
EC2 Instance Savings Plans
Spot Instances
Standard Reserved Instances
Which Amazon EC2 pricing option provides a discount when you make an hourly spend commitment to an instance family and Region for a 1-year or 3-year term?
On-demand
EC2 Instance Savings Plans
Spot Instances
Reserved Instances
Which AWS service is the best choice for publishing messages to subscribers?
Amazon Simple Queue Service (Amazon SQS)
Amazon EC2 Auto Scaling
Amazon Simple Notification Service (Amazon SNS)
Elastic Load Balancing
You want to use an Amazon EC2 instance for a batch processing workload. What would be the best Amazon EC2 instance type to use?
General purpose
Memory optimized
Compute optimized
Storage optimized
What are the contract length options for Amazon EC2 Reserved Instances? (Select TWO.)
- 1 year
- 2 years
- 3 years
- 4 years
- 5 years
You have a workload that will run for a total of 6 months and can withstand interruptions. What would be the most cost-efficient Amazon EC2 purchasing option?
Reserved Instance
Spot Instance
Dedicated Instance
On-Demand Instance
Which process is an example of Elastic Load Balancing?
Ensuring that no single Amazon EC2 instance has to carry the full workload on its own
Removing unneeded Amazon EC2 instances when demand is low
Adding a second Amazon EC2 instance during an online store’s popular sale
Automatically adjusting the number of Amazon EC2 instances to meet demand
You want to deploy and manage containerized applications. Which service should you use?
AWS Lambda
Amazon Simple Notification Service (Amazon SNS)
Amazon Simple Queue Service (Amazon SQS)
Amazon Elastic Kubernetes Service (Amazon EKS)
Which statement best describes an Availability Zone?
A geographical area that contains AWS resources
A single data center or group of data centers within a Region
A data center that an AWS service uses to perform service-specific operations
A service that you can use to run AWS infrastructure within your own on-premises data center in a hybrid approach
The correct response option is A single data center or group of data centers within a Region.
The other response options are incorrect because:
- A Region is a geographical area that contains AWS resources.
- An edge location is a data center that an AWS service uses to perform service-specific operations.
- AWS Outposts is a service that you can use to run AWS infrastructure, services, and tools in your own on-premises data center in a hybrid approach.
Which statement is TRUE for the AWS global infrastructure?
A Region consists of a single Availability Zone.
An Availability Zone consists of two or more Regions.
A Region consists of three or more Availability Zones.
An Availability Zone consists of a single Region.
Which factors should be considered when selecting a Region? (Select TWO.)
- Compliance with data governance and legal requirements
- Proximity to your customers
- Access to 24/7 technical support
- Ability to assign custom permissions to different users
- Access to the AWS Command Line Interface (AWS CLI)
Which statement best describes Amazon CloudFront?
A service that enables you to run infrastructure in a hybrid cloud approach
A serverless compute engine for containers
A service that enables you to send and receive messages between software components through a queue
A global content delivery service
Which site does Amazon CloudFront use to cache copies of content for faster delivery to users at any location?
Region
Availability Zone
Edge location
Origin
Which action can you perform with AWS Outposts?
Automate actions for AWS services and applications through scripts.
Access wizards and automated workflows to perform tasks in AWS services.
Develop AWS applications in supported programming languages.
Extend AWS infrastructure and services to different locations including your on-premises data center.
Which statement best describes an AWS account’s default network access control list?
It is stateless and denies all inbound and outbound traffic.
It is stateful and allows all inbound and outbound traffic.
It is stateless and allows all inbound and outbound traffic.
It is stateful and denies all inbound and outbound traffic.
Which statement best describes DNS resolution?
Launching resources in a virtual network that you define
Storing local copies of content at edge locations around the world
Connecting a VPC to the internet
Translating a domain name to an IP address
Your company has an application that uses Amazon EC2 instances to run the customer-facing website and Amazon RDS database instances to store customers’ personal information. How should the developer configure the VPC according to best practices?
Place the Amazon EC2 instances in a private subnet and the Amazon RDS database instances in a public subnet.
Place the Amazon EC2 instances in a public subnet and the Amazon RDS database instances in a private subnet.
Place the Amazon EC2 instances and the Amazon RDS database instances in a public subnet.
Place the Amazon EC2 instances and the Amazon RDS database instances in a private subnet.
Which component can be used to establish a private dedicated connection between your company’s data center and AWS?
Private subnet
DNS
AWS Direct Connect
Virtual private gateway
Which statement best describes security groups?
They are stateful and deny all inbound traffic by default.
They are stateful and allow all inbound traffic by default.
They are stateless and deny all inbound traffic by default.
They are stateless and allow all inbound traffic by default.
Which component is used to connect a VPC to the internet?
Public subnet
Edge location
Security group
Internet gateway
Which service is used to manage the DNS records for domain names?
Amazon Virtual Private Cloud
AWS Direct Connect
Amazon CloudFront
Amazon Route 53
Which of the following are characteristics of the Amazon EBS service? (Select TWO.)
- Best for data that requires retention
- Best for temporary data that is not kept long term
- Separate drives from the host computer of an EC2 instance
- Physically attached to the host computer of an EC2 instance
- Data is deleted when an EC2 instance is stopped
You want to store data that is infrequently accessed but must be immediately available when needed. Which Amazon S3 storage class should you use?
S3 Intelligent-Tiering
S3 Glacier Deep Archive
S3 Standard-IA
S3 Glacier Flexible Retrieval
- An Amazon EBS volume stores data in a singleAvailability Zone.
To attach an Amazon EC2 instance to an EBS volume, both the Amazon EC2 instance and the EBS volume must reside within the same Availability Zone.
Click to flip
- Front of card
Amazon EFS
Click to flip
Back of card
Amazon EFS is a regional service. It stores data in and across multiple Availability Zones.
The duplicate storage enables you to access data concurrently from all the Availability Zones in the Region where a file system is located. Additionally, on-premises servers can access Amazon EFS using AWS Direct Connect.
What are the scenarios in which you should use Amazon Relational Database Service (Amazon RDS)? (Select TWO.)
- Running a serverless database
- Using SQL to organize data
- Storing data in a key-value database
- Scaling up to 10 trillion requests per day
- Storing data in an Amazon Aurora database
Which Amazon S3 storage classes are optimized for archival data? (Select TWO.)
- Amazon S3 Standard
- Amazon S3 Glacier Flexible Retrieval
- Amazon S3 Intelligent-Tiering
- Amazon S3 Standard-IA
- Amazon S3 Glacier Deep Archive
Which statement or statements are TRUE about Amazon EBS volumes and Amazon EFS file systems?
EBS volumes store data within a single Availability Zone. Amazon EFS file systems store data across multiple Availability Zones.
EBS volumes store data across multiple Availability Zones. Amazon EFS file systems store data within a single Availability Zone.
EBS volumes and Amazon EFS file systems both store data within a single Availability Zone.
EBS volumes and Amazon EFS file systems both store data across multiple Availability Zones.
You want to store data in an object storage service. Which AWS service is best for this type of storage?
Amazon Managed Blockchain
Amazon Elastic File System (Amazon EFS)
Amazon Elastic Block Store (Amazon EBS)
Amazon Simple Storage Service (Amazon S3)
Which statement best describes Amazon DynamoDB?
A service that enables you to run relational databases in the AWS Cloud
A serverless key-value database service
A service that you can use to migrate relational databases, nonrelational databases, and other types of data stores
An enterprise-class relational database
Which service is used to query and analyze data across a data warehouse?
Amazon Redshift
Amazon Neptune
Amazon DocumentDB
Amazon ElastiCache
Which tasks are the responsibilities of customers? (Select TWO.)
- Maintaining network infrastructure
- Patching software on Amazon EC2 instances
- Implementing physical security controls at data centers
- Setting permissions for Amazon S3 objects
- Maintaining servers that run Amazon EC2 instances
You are configuring service control policies (SCPs) in AWS Organizations. Which identities and resources can SCPs be applied to? (Select TWO.)
- IAM users
- IAM groups
- An individual member account
- IAM roles
- An organizational unit (OU)
Which tasks can you complete in AWS Artifact? (Select TWO.)
- Access AWS compliance reports on-demand.
- Consolidate and manage multiple AWS accounts within a central location.
- Create users to enable people and applications to interact with AWS services and resources.
- Set permissions for accounts by configuring service control policies (SCPs).
- Review, accept, and manage agreements with AWS.
Which statement best describes an IAM policy?
An authentication process that provides an extra layer of protection for your AWS account
A document that grants or denies permissions to AWS services and resources
An identity that you can assume to gain temporary access to permissions
The identity that is established when you first create an AWS account
An employee requires temporary access to create several Amazon S3 buckets. Which option would be the best choice for this task?
AWS account root user
IAM group
IAM role
Service control policy (SCP)
Which statement best describes the principle of least privilege?
Adding an IAM user into at least one IAM group
Checking a packet’s permissions against an access control list
Granting only the permissions that are needed to perform specific tasks
Performing a denial of service attack that originates from at least one device
Which service helps protect your applications against distributed denial-of-service (DDoS) attacks?
Amazon GuardDuty
Amazon Inspector
AWS Artifact
AWS Shield
Which task can AWS Key Management Service (AWS KMS) perform?
Configure multi-factor authentication (MFA).
Update the AWS account root user password.
Create cryptographic keys.
Assign permissions to users and groups.
Which tasks can you perform using AWS CloudTrail? (Select TWO.)
- Monitor your AWS infrastructure and resources in real time
- Track user activities and API requests throughout your AWS infrastructure
- View metrics and graphs to monitor the performance of resources
- Filter logs to assist with operational analysis and troubleshooting
- Configure automatic actions and alerts in response to metrics
Which actions can you perform using Amazon CloudWatch? (Select TWO.)
- Monitor your resources’ utilization and performance
- Receive real-time guidance for improving your AWS environment
- Compare your infrastructure to AWS best practices in five categories
- Access metrics from a single dashboard
- Automatically detect unusual account activity
Which service enables you to review the security of your Amazon S3 buckets by checking for open access permissions?
Amazon CloudWatch
AWS CloudTrail
AWS Trusted Advisor
Amazon GuardDuty
Which categories are included in the AWS Trusted Advisor dashboard? (Select TWO.)
- Reliability
- Performance
- Scalability
- Elasticity
- Fault tolerance
The AWS Free Tier includes offers that are available to new AWS customers for a certain period of time following their AWS sign-up date. What is the duration of this period?
3 months
6 months
9 months
12 months
Which Support plan includes all AWS Trusted Advisor checks at the lowest cost?
Basic
Developer
Business
Enterprise
The correct response option is Business.
Only the Business, Enterprise On-Ramp, and Enterprise Support plans include all AWS Trusted Advisor checks. Of these three Support plans, the Business Support plan has a lower cost.
Which action can you perform with consolidated billing?
Review how much cost your predicted AWS usage will incur by the end of the month.
Create an estimate for the cost of your use cases on AWS.
Combine usage across accounts to receive volume pricing discounts.
Visualize and manage your AWS costs and usage over time.
Which pricing tool is used to visualize, understand, and manage your AWS costs and usage over time?
AWS Pricing Calculator
AWS Budgets
AWS Cost Explorer
AWS Free Tier
The correct response option is AWS Cost Explorer.
AWS Cost Explorer includes a default report of the costs and usage for your top five cost-accruing AWS services. You can apply custom filters and groups to analyze your data. For example, you can view resource usage at the hourly level.
The other response options are incorrect because:
- AWS Pricing Calculator enables you to create an estimate for the cost of your use cases on AWS.
- AWS Budgets enables you to create budgets to plan your service usage, service costs, and instance reservations. In AWS Budgets, you can also set custom alerts when your usage exceeds (or is forecasted to exceed) the budgeted amount.
- The AWS Free Tier is a program that consists of three types of offers that allow customers to use AWS services without incurring costs: Always free, 12 months free, and Trials.
Which pricing tool enables you to receive alerts when your service usage exceeds a threshold that you have defined?
Billing dashboard in the AWS Management Console
AWS Budgets
AWS Free Tier
AWS Cost Explorer
Your company wants to receive support from an AWS Technical Account Manager (TAM). Which support plan should you choose?
Developer
Enterprise
Basic
Business
Which service or resource is used to find third-party software that runs on AWS?
AWS Marketplace
AWS Free Tier
AWS Support
Billing dashboard in the AWS Management Console
Which Perspective of the AWS Cloud Adoption Framework helps you design, implement, and optimize your AWS infrastructure based on your business goals and perspectives?
Business Perspective
Platform Perspective
Operations Perspective
People Perspective
The correct response option is Platform Perspective.
The Platform Perspective of the AWS Cloud Adoption Framework also includes principles for implementing new solutions and migrating on-premises workloads to the cloud.
The other response options are incorrect because:
- The Business Perspective helps you to move from a model that separates business and IT strategies into a business model that integrates IT strategy.
- The Operations Perspective focuses on operating and recovering IT workloads to meet the requirements of your business stakeholders.
- The People Perspective helps Human Resources (HR) employees prepare their teams for cloud adoption by updating organizational processes and staff skills to include cloud-based competencies.
Which migration strategy involves moving to a different product?
Refactoring
Retiring
Replatforming
Repurchasing
What is the storage capacity of Snowball Edge Storage Optimized?
40 TB
60 TB
80 TB
100 TB
Which service enables you to quickly build, train, and deploy machine learning models?
Amazon Textract
Amazon Lex
AWS DeepRacer
Amazon SageMaker
The correct response option is Amazon SageMaker.
With Amazon SageMaker, you can quickly and easily begin working on machine learning projects. You do not need to follow the traditional process of manually bringing together separate tools and workflows.
The other response options are incorrect because:
- Amazon Textract is a machine learning service that automatically extracts text and data from scanned documents.
- Amazon Lex is a service that enables you to build conversational interfaces using voice and text.
- AWS DeepRacer is an autonomous 1/18 scale race car that you can use to test reinforcement learning models.
Which Perspective of the AWS Cloud Adoption Framework helps you structure the selection and implementation of permissions?
Governance Perspective
Security Perspective
Operations Perspective
Business Perspective
The correct response option is Security Perspective.
The Security Perspective of the AWS Cloud Adoption Framework also helps you to identify areas on non-compliance and plan ongoing security initiatives.
The other response options are incorrect because:
- The Governance Perspective helps you to identify and implement best practices for IT governance and support business processes with technology.
- The Operations Perspective focuses on operating and recovering IT workloads to meet the requirements of your business stakeholders.
- The Business Perspective helps you to move from a model that separates business and IT strategies into a business model that integrates IT strategy.
Which strategies are included in the six strategies for application migration? (Select TWO.)
- Revisiting
- Retaining
- Remembering
- Redeveloping
- Rehosting
The two correct response options are:
- Retaining
- Rehosting
The application migration strategies are rehosting, replatforming, refactoring/re-architecting, repurchasing, retaining, and retiring.
What is the storage capacity of AWS Snowmobile?
40 PB
60 PB
80 PB
100 PB
The correct response option is 100 PB.
AWS Snowmobile is a service that is used for transferring up to 100 PB of data to AWS. Each Snowmobile is a 45-foot long shipping container that is pulled by a semi trailer truck.
Which statement best describes Amazon Lex?
A service that enables you to build conversational interfaces using voice and text
A machine learning service that automatically extracts text and data from scanned documents
A document database service that supports MongoDB workloads
A service that enables you to identify potentially fraudulent online activities
The correct response option is “A service that enables you to build conversational interfaces using voice and text.”
In Amazon Lex, you can quickly build, test, and deploy conversational chatbots to use in your applications.
The other response options are incorrect because:
- A machine learning service that automatically extracts text and data from scanned document describes Amazon Textract.
- A document database service that supports MongoDB workloads describes Amazon DocumentDB.
- A service that enables you to identify potentially fraudulent online activities describes Amazon Fraud Detector.
Which pillar of the AWS Well-Architected Framework focuses on the ability of a workload to consistently and correctly perform its intended functions?
Operational Excellence
Performance Efficiency
Security
Reliability
The correct response option is Reliability.
The other response options are incorrect because:
- The Operational Excellence pillar includes the ability to run workloads effectively, gain insights into their operations, and continuously improve supporting processes to deliver business value.
- The Performance Efficiency pillar focuses on using computing resources efficiently to meet system requirements, and to maintain that efficiency as demand changes and technologies evolve.
- The Security pillar includes protecting data, systems, and assets, and using cloud technologies to improve the security of your workloads.
Which process is an example of benefiting from massive economies of scale?
Deploying an application in multiple Regions around the world
Receiving lower pay-as-you-go prices as the result of AWS customers’ aggregated usage of services
Paying for compute time as you use it instead of investing upfront costs in data centers
Scaling your infrastructure capacity in and out to meet demand
The correct response option is: Receiving lower pay-as-you-go prices as the result of AWS customers’ aggregated usage of services.
Because usage from hundreds of thousands of customers is aggregated in the cloud, providers such as AWS can achieve higher economies of scale. The economies of scale translate into lower pay-as-you-go prices.
The other response options are incorrect because:
- Deploying an application in multiple Regions around the world: This process is an example of Go global in minutes.
- Paying for compute time as you use it instead of investing upfront costs in data centers: This process is an example of Trade upfront expense for variable expense.
- Scaling your infrastructure capacity in and out to meet demand: This process is an example of Stop guessing capacity.
Which pillar of the AWS Well-Architected Framework includes the ability to run workloads effectively and gain insights into their operations?
Cost Optimization
Operational Excellence
Performance Efficiency
Reliability
The correct response option is Operational Excellence.
The other response options are incorrect because:
- The Cost Optimization pillar focuses on the ability to run systems to deliver business value at the lowest price point.
- The Performance Efficiency pillar focuses on using computing resources efficiently to meet system requirements and to maintain that efficiency as demand changes and technologies evolve.
- The Reliability pillar focuses on the ability of a workload to consistently and correctly perform its intended functions.
What are the benefits of cloud computing? (Select TWO.)
- Increase speed and agility.
- Benefit from smaller economies of scale.
- Trade variable expense for upfront expense.
- Maintain infrastructure capacity.
- Stop spending money running and maintaining data centers.
The two correct response options are:
- Increase speed and agility.
- Stop spending money running and maintaining data centers.
The six advantages of cloud computing are:
- Trade upfront expense for variable expense.
- Benefit from massive economies of scale.
- Stop guessing capacity.
- Increase speed and agility.
- Stop spending money running and maintaining data centers.
- Go global in minutes.
AWS Certified Cloud Practitioner exam results are reported as a score from 100–1,000. What is the minimum passing score?
650
700
850
900
Which domains are included on the AWS Certified Cloud Practitioner exam? (Select TWO.)
Strategy: Think back to the exam domains that were reviewed earlier in this module. Based on the domains that you recall learning about, which response options do you think that you can eliminate as incorrect?
- Security and Compliance
- Automation and Optimization
- Monitoring and Reporting
- Billing and Pricing
- Deployment and Provisioning
See also