02 April, 2022

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Total 371 questions Full Exam Access

Question 1

You need to deploy an AWS stack in a repeatable manner across multiple environments. You have selected CIoudFormation as the right tool to accomplish this, but have found that there is a resource type you need to create and model, but is unsupported by CIoudFormation. How should you overcome this chaHenge?

Use a CIoudFormation Custom Resource Template by selecting an API call to proxy for create, update, and delete action

CIoudFormation will use the AWS SDK, CLI, or API method of your choosing as the state transition function for the resource type you are modeling.

Submit a ticket to the AWS Forum

AWS extends CIoudFormation Resource Types by releasing tooling to the AWS Labs organization on GitHu

Their response time is usually 1 day, and they complete requests within a week or two.

Instead of depending on CIoudFormation, use Chef, Puppet, or Ansible to author Heat templates, which are declarative stack resource definitions that operate over the OpenStack hypervisor and cloud environment.

Create a CIoudFormation Custom Resource Type by implementing create, update, and delete functionality, either by subscribing a Custom Resource Provider to an SNS topic, or by implementing the logic in AWS Lambda.

Question 2

For AWS CloudFormation, which is true?

Custom resources using SNS have a default timeout of 3 minutes.

Custom resources using SNS do not need a <code>ServiceToken</code> property.

Custom resources using Lambda and <code>Code.ZipFiIe</code> allow inline nodejs resource composition.

Custom resources using Lambda do not need a <code>ServiceToken</code>property

Question 3

Which EBS volume type is best for high performance NoSQL cluster deployments?

iol

gpl

standard

gp2

Question 4

What is the scope of an EBS volume?

VPC

Region

Placement Group

Availability Zone

Question 5

Which major database needs a BYO license?

PostgreSQL

NIariaDB

MySQL

Oracle

Question 6

There is a very serious outage at AWS. EC2 is not affected, but your EC2 instance deployment scripts stopped working in the region with the outage. What might be the issue?

The AWS Console is down, so your CLI commands do not work.

S3 is unavailable, so you can't create EBS volumes from a snapshot you use to deploy new volumes.

AWS turns off the <code>DepIoyCode</code> API call when there are major outages, to protect from system floods.

None of the other answers make sens

If EC2 is not affected, it must be some other issu

Question 7

Which of these is not an intrinsic function in AWS CIoudFormation?

Fn::SpIit

Fn::FindInMap

Fn::SeIect

Fn::GetAZs

Question 8

You have a high security requirement for your AWS accounts. What is the most rapid and sophisticated setup you can use to react to AWS API calls to your account?

Subscription to AWS Config via an SNS Topi

Use a Lambda Function to perform in-flight analysis and reactMty to changes as they occur.

Global AWS CIoudTraiI setup delivering to S3 with an SNS subscription to the deliver notifications, pushing into a Lambda, which inserts records into an ELK stack for analysis.

Use a CIoudWatch Rule ScheduIeExpression to periodically analyze IAM credential log

Push the deltas for events into an ELK stack and perform ad-hoc analysis there.

CIoudWatch Events Rules which trigger based on all AWS API calls, submitting all events to an AWS Kinesis Stream for arbitrary downstream analysis.

Question 9

You are experiencing performance issues writing to a DynamoDB table. Your system tracks high scores for video games on a marketplace. Your most popular game experiences all of the performance issues. What is the most likely problem?

DynamoDB's vector clock is out of sync, because of the rapid growth in request for the most popular game.

You selected the Game ID or equivalent identifier as the primary partition key for the table.

Users of the most popular video game each perform more read and write requests than average.

You did not provision enough read or write throughput to the tabl

Question 10

Which of these is not a CIoudFormation Helper Script?

cfn-signal

cfn-hup

cfn-request

cfn-get-metadata

Question 11

You need to create a Route53 record automatically in CIoudFormation when not running in production during all launches of a Template. How should you implement this?

Use a <code>Parameter</code> for <code>environment</code>, and add a <code>Condition</code> on the Route53 <code>Resource</code> in the template to create the record only when<code>environment</code> is not <code>production</code>.

Create two templates, one with the Route53 record value and one with a null value for the recor

Use the one without it when deploying to production.

Use a <code>Parameter</code> for <code>environment</code>, and add a <code>Condition</code> on the Route53 <code>Resource</code> in the template to create the record with a null string when<code>environment</code> is <code>production</code>.

Create two templates, one with the Route53 record and one without i

Use the one without it when deploying to production.

Question 12

When thinking of AWS OpsWorks, which of the following is not an instance type you can allocate in a stack layer?

24/7 instances

Spot instances

Time-based instances

Load-based instances

Question 13

You need to scale an RDS deployment. You are operating at 10% writes and 90% reads, based on your logging. How best can you scale this in a simple way?

Create a second master RDS instance and peer the RDS groups.

Cache all the database responses on the read side with CIoudFront.

Create read replicas for RDS since the load is mostly reads.

Create a Multi-AZ RDS installs and route read traffic to standb

Question 14

What is the maximum supported single-volume throughput on EBS?

320IV|iB/s

160MiB/s

40MiB/s

640MiB/s

Question 15

When thinking of AWS Elastic BeanstaIk's model, which is true?

Applications have many deployments, deployments have many environments.

Environments have many applications, applications have many deployments.

Applications have many environments, environments have many deployments.

Deployments have many environments, environments have many application

Question 16

Your API requires the ability to stay online during AWS regional failures. Your API does not store any state, it only aggregates data from other sources - you do not have a database. What is a simple but effective way to achieve this uptime goal?

Use a CloudFront distribution to serve up your AP

Even if the region your API is in goes down, the edge locations CIoudFront uses will be fine.

Use an ELB and a cross-zone ELB deployment to create redundancy across datacenter

Even if a region fails, the other AZ will stay online.

Create a Route53 Weighted Round Robin record, and if one region goes down, have that region redirect to the other region.

Create a Route53 Latency Based Routing Record with Failover and point it to two identical deployments of your stateless API in two different region

Make sure both regions use Auto Scaling Groups behind ELBs.

Question 17

For AWS Auto Scaling, what is the first transition state an instance enters after leaving steady state when scaling in due to health check failure or decreased load?

Terminating

Detaching

Terminating:Wait

EnteringStandby

Question 18

What is the scope of an EC2 EIP?

Placement Group

Availability Zone

Region

VPC

Question 19

You need to grant a vendor access to your AWS account. They need to be able to read protected messages in a private S3 bucket at their leisure. They also use AWS. What is the best way to accomplish this?

Create an IAM User with API Access Key

Grant the User permissions to access the bucke

Give the vendor the AWS Access Key ID and AWS Secret Access Key for the User.

Create an EC2 Instance Profile on your accoun

Grant the associated IAM role full access to the bucke

Start an EC2 instance with this Profile and give SSH access to the instance to the vendor.

Create a cross-account IAM Role with permission to access the bucket, and grant permission to use the Role to the vendor AWS account.

Generate a signed S3 PUT URL and a signed S3 PUT URL, both with wildcard values and 2 year duration

Pass the URLs to the vendor.

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Total 371 questions Full Exam Access