CPSC 4440 AWS ACA

The AWS Well Architecture Framework has five pillars. Two of the pillars are security and operational excellence. What are the other pillars? (Select 3) A. Reliability B. Governance C. Privacy D. Performance Efficiency E. Risk Management F. Cost Optimization

A. Reliability D. Performance Efficiency F. Cost Optimization (Sustainability bonus)

A company wants to deploy their simple website in AWS. It consists of HTML, server side php code, and client side javascript code. The website must be highly available to a global audience. What can you create that will provide the simplest method to bring the site online quickly? A. a load balanced environment in AWS elastic beanstalk B. an S3 bucket with static web hosting C. an AWS cloudformation stack that deploys a highly available architecture in a virtual private cloud (VPC) D. an AWS opsWorks stack that deploys a highly available architecture in a virtual private cloud vpc

A. a load balanced environment in AWS elastic beanstalk

A company must build a highly available website that uses server-side scripts to serve dynamic HTML. Which solution provides the highest availability for the least cost and complexity? A. an auto scaling group launches EC2 instances, which are served by an application load balancer. DNS name resolution points to the load balancer B. amazon S3 hosts the website, DNS name resolution points to the S3 bucket C. an auto scaling group launches EC2 instances, which are served by a network load balancer. Amazon Route 53 uses latency based routing D. a second web server is deployed in another region. Route 53 uses failover routing for disaster recovery (DR)

A. an auto scaling group launches EC2 instances, which are served by an application load balancer. DNS name resolution points to the load balancer

How do you horizontally scale an Amazon Aurora database? A. by adding aurora replica instances B. by increasing the size of the buffer cache configuration C. by creating cloudwatch alarms D. by changing the instance type

A. by adding aurora replica instances

Which option is a good way to preview changes before implementing them in AWS cloudformation designer? A. create a change set B. run update stack C. run detect drift D. visually inspect the template

A. create a change set

A consultant must access a large object in an S3 bucket. They need a day to access the file. Which method for granting access most closely follows AWS best practices? A. create a preassigned URL to the object that expires in 24 hours and give it to the consultant B. Enable public access on the S3 bucket. Give the object URL to the consultant. C. Copy the object to a new S3 bucket. Enable public access on the new bucket. From the new bucket, get the object URL, and give it to the consultant D. Create a user account for the consultant. Grant the user account permissions to access the S3 bucket through the AWS management console

A. create a preassigned URL to the object that expires in 24 hours and give it to the consultant

What are some reasons to use automation to provision resources? (select 2) A. lack of version control with manual process B. automation requirement for creating some resources C. alignment with reliability design principle D. greater expense with manual processes E. automation requirement for high availability

A. lack of version control with manual process C. alignment with reliability design principle

You detected that the demand on a fleet of EC2 instances in an auto scaling group increases by a set amount each day. Which type of scaling is the most appropriate for this scenario? A. scheduled B. dynamic C. predictive D. manual

A. scheduled

Which actions are consistent with the operational excellence pillar of the AWS Well Architecture Framework? (select 2) A. Evaluate organizational structures and roles to identify skill gaps B. Apply software engineering principles and methodology to infrastructure as code C. Ensure operations personnel document changes to the infrastructure D. plan and manage the full lifecycle of hardware assets E. Review and improve processes and procedures on a continuous cycle

B. Apply software engineering principles and methodology to infrastructure as code E. Review and improve processes and procedures on a continuous cycle

What is the best definition of cloud architecture? A. Combining frontend and backend software and components to create highly available and scalable we services that meet the needs of an organization B. Applying cloud characteristics to a solution that uses cloud services and features to meet technical and business requirements C. Designing applications in cloud-based, shared IT infrastructure by using virtual machines and fault tolerant data stores in the cloud D. Relocation traditional on premises data centers to internet centers that a vendor manages

B. Applying cloud characteristics to a solution that uses cloud services and features to meet technical and business requirements

What is AWS Elastic Beanstalk? A. an easy to use cloud platform that offers you everything that you need to build an application or website, and a cost effective, monthly plan B. an easy to use service for deploying and scaling web applications and services that are developed with common web development languages and platforms C. a serverless compute engine for containers that works with both amazon elastic container service (ECS) and elastic kubernetes service (EKS) D. a set of tools and services that enable mobile and frontend web developers to build secure, scalable, full stack applications that are powered by AWS

B. an easy to use service for deploying and scaling web applications and services that are developed with common web development languages and platforms

Which statement about Amazon EC2 Auto Scaling is accurate? A. it requires the customer to purchase reserved instances B. it can launch amazon EC2 instances in multiple AZs C. It can launch EC2 instances, but customers must terminate instances after they are no longer needed D. it can only launch new EC2 instances based on a schedule

B. it can launch amazon EC2 instances in multiple AZs

What are the main considerations that influence which AWS regions to use? (select 2) A. security and access control B. latency reduction for end users C. Protection against localized natural disasters D. application resiliency during system failures E. compliance with laws and regulations

B. latency reduction for end users E. compliance with laws and regulations

Users in location A connect to an application in Region A. Users in location B connect to the same application in Region B. If the application in Region A becomes unhealthy, clients in location A must be redirected to the application in Region B. Which solution can meet this requirement? A. Use an application load balancer with cloudwatch alarms B. use geolocation routing with failover records in route 53 C. use latency based routing in route 53 with cloudwatch alarms D. use geoproximity routing and a network load balancer that is attached to both regions

B. use geolocation routing with failover records in route 53

You want to quickly set up a secure implementation of an Amazon FSx for windows file server that follows AWS best practices. Which solution should you use? A. an Amazon Machine Image (AMI) on AWS marketplace B. aws cloudformation designer C. AWS quick start D. an aws cloudformation template that you downloaded from the internet

C. AWS quick start

What are the main considerations that influence which AZ to use? (select two) A. security and access control B. latency reduction for end users C. Protection against localized natural disasters D. application resiliency during system failures E. compliance with laws and regulations

C. Protection against localized natural disasters D. application resiliency during system failures

A company wants to change some functionality of their website. They are unsure of what will happen if they make the change. Which approach most closely follows AWS best practices? A. Change the production site while it is online Use backups to undo the change. B. Change the production site during offline maintenance hours. Use backups to undo the change. C. Provision a new server and make changes to it. Use DNS to gradually migrate users to the new server. Shut down the original server after all users migrate D. Test the change on an existing development server. Change the production site during offline maintenance hours. Use backups to undo the change.

C. Provision a new server and make changes to it. Use DNS to gradually migrate users to the new server. Shut down the original server after all users migrate

What is the AWS CloudFormation Designer? A. a source code repository for AWS cloudformation templates B. a tool for automating deployments C. a graphical design interface for creating AWS cloudFormation templates D. a collection of reusable templates

C. a graphical design interface for creating AWS cloudFormation templates

You have created a new AWS account for your own personal development and testing. You want your account to stay within the AWS free tier and to not generate unexpected costs. Which approach will work and requires the least effort? A. login to the AWS management console each month and check your billing dashboard B. create a service control policy (SCP) to restrict all services that are not included in the AWS free tier C. create an amazon cloudwatch alarm to send you and email message when account billing exceeds $0 D. create a cloudwatch metric to monitor account billing and limit to $0

C. create an amazon cloudwatch alarm to send you and email message when account billing exceeds $0

An application requires a frontend web tier of multiple servers that communicate with a backend application tier of multiple servers. Which design most closely follows Amazon Web Services best practices? A. Assign a dedicated application server and a dedicated connection to each web server B. Create multiple instances that each combine a web fronted and application backend in the same instance C. design the web tier to communication with the application tier through Elastic Load Balancing Service D. Create a full mesh framework between the web and application tiers so that each web server can communicate directly with every application server

C. design the web tier to communication with the application tier through Elastic Load Balancing Service

How does dynamoDB perform automatic scaling? A. it adds and removes database instances in response to changes in traffic B. it adds read replicas in response to increased read demand C. it adjusts the provisioned throughput capacity in response to traffic patterns D. it changes the instance type in response to changes in processing load

C. it adjusts the provisioned throughput capacity in response to traffic patterns

A fleet of EC2 instances launch in an auto scaling group. The instances run an application that uses a custom protocol on TCO port 42000. Connections from client systems on the internet must balance across the instances. Which load balancing solution ensures the highest availability? A. round robin DNS B. application load balancer C. network load balancer D. instance based load balancer

C. network load balancer

Several on demand instances in EC2 must launch at random times and run for limited durations. They must have application and package configurations that are determined at launch time. Which solution provides the most efficient way to automatically build these instances? A. amazon machine image (AMI) B. cloudformation C. opsWorks D. elastic beanstalk

C. opsWorks

What does AWS OpsWords do? (select 3) A. provides managed chef instances B. automates operational tasks across AWS resources C. provides managed kubernetes clusters D. automates server configuration, deployment, and management E. provides managed puppet instances F. automates containerized application deployment at scale

C. provides managed kubernetes clusters D. automates server configuration, deployment, and management F. automates containerized application deployment at scale no

A fleet of EC2 instances are launched in an auto scaling group behind an elastic load balancer. The EC2 instances must maintain 50 percent average CPU utilization. Which type of scaling provides the simplest way to achieve this requirement? A. step scaling B. simple scaling C. target tracking scaling D. manual scaling

C. target tracking scaling

A solutions architect is developing a process for handling server failures. Which process most closely follows AWS best practices? A. Operations detects a system failure. They notify the systems admin, who provisions a new server by using the AWS management Console B. Amazon CloudWatch detects a system failure. It notifies the system administrator, who provisions a new server by using the AWS Man. Console C. Operations detects a system failure. They trigger automation to provision a new server D. Amazon CloudWatch detects a system failure. It triggers automation to provision a new server.

D. Amazon CloudWatch detects a system failure. It triggers automation to provision a new server.

A company stores read only data in Amazon S3. Most users are in the same country as the company headquarters. Some users are located around the world. Which design decision most closely follows AWS best practices? A. Use a bucket in the AWS region closest to the company headquarters B. Use a bucket in the AWS region that has the lowest average latency for all users C. Replicate objects across buckets in AWS regions around the world. Users access the bucket in the AWS region closest to them D. Use a bucket in the AWS region closest to the company headquarters. All users access the data through Amazon Cloudfront

D. Use a bucket in the AWS region closest to the company headquarters. All users access the data through Amazon Cloudfront

What is AWS CloudFormation? A. a package of all the info that is needed to launch an EC2 instance B. a template that describes your infrastructure C. a description of best practices for designing an AWS implementation D. an AWS service that you can use to create, model, and manage AWS resources

D. an AWS service that you can use to create, model, and manage AWS resources

How do you vertically scale an RDS database? A. by adding read replicas B. by creating dedicated read and write nodes C. by sharding the database D. by changing the instance class

D. by changing the instance class

A fleet of EC2 instances require application patches on a regular schedule. Which approach is the most efficient? A. create a scheduled task on each instance to download patches B. use a cloudwatch alarm to regularly relaunch instances by using a patched AMI C. update the AWS cloudformation stack D. create a maintenance window in the AWS systems manger

D. create a maintenance window in the AWS systems manger