Practice Test 1 Flashcards
You have a variable and intermittent workload, so you want to use a compute service that allows you to pay only for the compute resources you use, without paying for compute time when your code isn’t running. Which of the following services should you use?
Lambda
A customer is on the Enterprise Support plan, and they’ve reported a business-critical system down support case. What is the guaranteed response time from AWS Support?
Less than 15 minutes
A company is receiving automated alerts notifying them that their only production EC2 instance is continuously reaching 100% CPU utilization. When this happens, customers cannot make purchases and receive error messages stating they should try again later because all the company’s servers are busy. As part of the solution, what could be used to add or replace EC2 instances of the same size automatically across AZs?
Horizontal scaling
You have upgraded your AWS Support plan to the Business Support level. What is true of the Business Support plan?
< 1 hour response time support when your production system goes down.
A project manager wants to identify, organize, search for, and filter all EC2 instances belonging to the Marketing department for budget management purposes. What is the best strategy for the project manager to identify Marketing resources?
Use tags
What pillar of the Well-Architected Framework would include the use of information gathered through a workload process evaluation to drive adoption of new services or resources when they become available?
Performance Efficiency
A large manufacturing company would like to provide real-time feedback to machine operators regarding optimum machine speeds enabling less experienced operators to detect breaks earlier and maintain quality. Which service will allow the company to train and deploy a machine learning model that can detect machine issues early?
SageMaker
When monitoring the health of their application, a company notices one of their EC2 instances seems to handle a lot more traffic than the other instances. How can the company evenly distribute the traffic across all of its servers so that one server is not overwhelmed with requests?
Elastic Load Balancing
Under the AWS shared responsibility model, who is responsible for the configuration of infrastructure devices?
AWS is responsible for the configuration of infrastructure devices.
For which of the below is S3 a suitable storage solution?
Operating systems
Documents
Databases
Pictures
Documents
Pictures
Your organization is multi-national and uses multiple AWS Regions. Which AWS service can be used to route users to the nearest data center to reduce latency?
AWS Route 53
A solutions architect wants to design an application architecture that reduces the risk of cascading failures between components. Which design principles should be considered when planning the cloud architecture?
Design the architecture to reduce inter-dependencies
Utilize loosely coupled components
An on-premises application requires a consistent, high-speed connection to the AWS Cloud environment that is better than an internet-based connection. Which AWS service can provide this connection?
Direct Connect
A customer set up an Amazon S3 bucket to accept downloads from their mobile application users. Due to data privacy requirements, the customer needs to automatically and continually scan S3 for the users’ addresses. Which service can do this?
Macie
A customer has created an Administrators group in IAM containing 5 users. What does the customer attach to the group to ensure all the users have the needed administrative access?
IAM policy
What allows you to make entire buckets (like 1 hosting an S3 website) public?
Bucket policies
A startup is developing a new application. They don’t know how to anticipate the usage or workload demands for the application. Which benefit of cloud computing will allow the startup to automatically adjust compute capacity based on demand?
Elasticity
Configuring user permissions so that users can access only the resources they need to do their job follows what principle?
Principle of least privilege
You need to visualize, understand, and identify trends for future charges, as well as manage your AWS costs and usage over time. Which AWS tool would you use?
AWS Cost Explorer
A company would like to build an application that supports multiple languages. Which machine learning service allows the company to add localization to their application?
Translate
When you upload an object to S3 storage, where will AWS keep it?
In multiple Availability Zones within the Region you select
A customer has an on-premises 5-gigabyte Oracle database that needs to be migrated to AWS and converted to Aurora. The customer requires minimal downtime to the database. Which service is the best option for migration and conversion?
Database Migration Service
A financial company needs to migrate large amounts of data, at a petabyte scale, to AWS. Which AWS service can perform this type of migration?
AWS Snowball
By default, what can a private subnet communicate with?
Public subnets in the same VPC
Other private subnets in the same VPC
A company wants to ensure all AWS accounts in their environment conform to company-wide policies. Which services can help?
Control Tower
Organizations
Which AWS tool is specifically designed to help a company estimate their potential cloud bill for migrating workloads and calculate the overall total cost of ownership (TCO) based on their proposed workloads?
The company can use the AWS Pricing Calculator.
Which service allows users to record software configuration changes within servers running on-premises over time?
Config
A retail company has EC2 On-Demand Instances running to serve customer transactions. There is a set pattern of traffic where demand is high at 2 points in the day, but the instances sit idle for much of the day. What is a good way to optimize these resources?
Use an Auto Scaling group to scale out and in based on demand.
A security administrator is setting up a new IAM user and has decided to grant the least privilege. What does the principle of least privilege mean?
Granting the minimum requirement to perform a task
A company has designed a hybrid architecture and needs to connect its on-premises database to an application running on an EC2 instance in the AWS cloud using a fast, private, and secure manner. Which method allows the company to privately connect on-premises to the cloud?
Direct Connect
In order to support their auditing and compliance efforts, a company needs to produce a report to audit the effects of password lifecycle requirements. How can they access a report that lists all users in their account along with the status of the various credentials?
IAM credential report
Which AWS service can help you optimize your AWS environment by giving recommendations to reduce cost, increase performance, and improve security?
AWS Trusted Advisor
A customer has noticed several of their AWS accounts were hacked and used to mine bitcoin. Who should the customer report the issue to?
AWS Trust & Safety team
Under the shared responsibility model for EC2, who is responsible for patching the guest operating system?
The customer is responsible for patching the guest operating system.
Which of the following is an AWS Well-Architected Framework design principle related to operational excellence?
Deploy smaller, reversible changes.
A company that owns several warehouses (used to store and resell millions of like-new, open-box, and pre-owned items) would like to analyze images from their on-premises cameras to automatically detect if employees are wearing head covers (helmets) and other protective equipment. Which service can be used to perform the image analysis?
Rekognition
A company wants to provide access to an Amazon S3 bucket to all applications running on a Reserved Instance (RI) that’s been assigned to a specific Availability Zone. What’s the best way to give S3 access to all applications running on the EC2 instance?
Use an instance profile to pass an IAM role with Amazon S3 permissions to the EC2 instance
What is a geographical area of the world that is a collection of logically grouped data centers?
Region
How can a customer with the Enterprise Support plan get help with billing and account questions?
Contact the Support Concierge team.
Use the AWS Support API to programmatically open a case with AWS Support.
A DevOps engineer is planning for the deployment of an application that can’t be impacted if an entire geographic location is affected by a disaster. How can the engineer deploy this application?
Deploy the application to multiple Regions.
In which of the following is CloudFront content cached?
Edge location
A company is considering a serverless architecture and wants to build and run applications without having to manage infrastructure. Which AWS services should the company consider using when building applications?
S3
Fargate
Lambda
DynamoDB
A large company is using multiple AWS accounts and would like to benefit from available volume discounts in AWS. Which AWS feature will enable the company to get volume discounts?
Use AWS Organizations and its consolidated billing feature to consolidate billing and payment for multiple AWS accounts.
You need to set a number range of EC2 instances to be made available to handle the load for your application. Which AWS service should you use?
AWS Auto Scaling
A company is in the process of migrating its workloads to AWS, and they want to develop and implement security policies. What are some of the recommended best practices for Identity and Access Management (IAM) they can put in place to make sure their accounts are secure?
Do not share access keys.
Create individual users instead of using root.
Enable MFA for privileged users
A solutions architect is designing a system to withstand the failure of one or more components. What type of system is able to withstand failure?
Fault Tolerant
Which of the following services helps you deliver content to your customers faster?
CloudFront
A customer would like to store secondary backup copies of on-premises data to the cloud. The customer is not concerned about an extra level of protection by geographic redundancy but requires rapid access to the data when it is needed. Which Amazon S3 storage class should be used as the lowest cost option with rapid access?
S3 One Zone-Infrequent Access
You have just created a new bucket and uploaded a file into it. Will this be automatically viewable by anyone on the internet?
No - by default, buckets and their contents are private
A developer wants to be alerted when an EC2 running their application is approaching 100% CPU utilization. Which service helps the developer do this in an automated way?
CloudWatch
A company is developing a new web application that has high availability requirements. How can the company increase availability when deploying the application?
Deploy the application to span across multiple Availability Zones (AZs).
Utilize a multi-Region deployment when deploying the application.
Your company would like to begin using Auto Scaling to add servers when CPU utilization reaches a certain threshold (e.g., 70%). Which service can you use to trigger actions when CPU utilization crosses the threshold?
CloudWatch Alarms
Which of the following is used to secure Amazon S3 buckets?
Bucket access policy
As an IT support center team member, you begin receiving calls from users about problems they’re experiencing with your company’s AWS-based point-of-sale system. You want to begin your investigation by checking with AWS for any service alerts they may be communicating. Which AWS tool will you give you the information you seek?
AWS Personal Health Dashboard
When configuring an Application Load Balancer (ALB) to ensure high availability, which of the following steps is recommended by AWS?
Configure the load balancer to distribute incoming traffic across your registered targets in multiple Availability Zones
The AWS Cloud spans multiple Regions, Availability Zones (AZs), edge locations, and more. How would you best describe an Availability Zone?
One or more discrete data centers with redundant power, networking, and connectivity in an AWS Region
A company is hosting a public-facing static website out of an S3 bucket. When reviewing website analytics and traffic, the company is surprised to learn the website is accessed by millions of users around the globe. The company wants to ensure all its users are seeing fast response times. Which AWS service will help to deliver this website globally with low latency?
CloudFront
How can a customer on the Developer Support plan open a system impaired support case?
Open a technical support case via email.
A developer is building a new application and is given the option to deploy the application on-premises or to the AWS Cloud. What benefits does the AWS Cloud provide over an on-premises deployment?
Ability to focus on building the application instead of managing servers
Ability to pay-as-you-go without upfront contracts or long-term commitments
Ability to grow and shrink computing capacity based on demand
A company has underutilized servers in its on-premises data center. Unfortunately, they are still required to pay for idle resources. Which benefit of the cloud can help the company solve this problem?
Elasticity
A customer wants access to the full set of Trusted Advisor checks. What’s the minimum support plan they need to have access to?
Business Support
How can Auto Scaling help your resources handle changes on demand?
By adding or removing EC2 instances from your EC2 fleet based on conditions you specify
A customer is migrating their on-premises data center to AWS and has bandwidth constraints. Which service allows them to transport exabyte-scale datasets into AWS in a cost-effective and secure manner?
Snowmobile
Which of the following are classified as migration services?
AWS Application Discovery Service
AWS Snowball
A solutions architect is designing a new application for a customer. In designing the system, the architect recommends that content be cached to reduce latency to the end user. Which piece of the AWS global infrastructure allows for content to be cached and served from the nearest point to the user?
Edge location
