Udemy AWS Practice Tests - Incorrect Questions

What does the AWS "Business" support plan provide?

-AWS Support API -Access to the full set of Trusted Advisor checks.

A company is trying to analyze the costs applied to their AWS account recently. Which of the following provides them the most granular data about their AWS costs and usage?

AWS Cost & Usage Report - contains the most comprehensive set of AWS cost and usage data available, including additional metadata about AWS services, pricing, and reservations

You need to migrate a large number of on-premises workloads to AWS. Which AWS service is the most appropriate?

AWS Server Migration Service

Which AWS Service provides the current status of all AWS Services in all AWS Regions?

AWS Service Health Dashboard

What is the AWS Support feature that allows customers to manage support cases programmatically?

AWS Support API

Based on the AWS Shared Responsibility Model, which of the following are the sole responsibility of AWS?

AWS is responsible for items such as the physical security of its data centers, creating hypervisors, replacement of old disk drives, and patch management of the infrastructure.

You are running a financial services web application on AWS. The application uses a MySQL database to store the data. Which of the following AWS services would improve the performance of your application by allowing you to retrieve information from fast in-memory caches?

Amazon ElastiCache - Amazon ElastiCache offers fully managed Redis and Memcached

Which AWS Service offers a filesystem that can be mounted concurrently from multiple EC2 instances?

Amazon Elastic File System - EFS

The identification process of an online financial services company requires that new users must complete an online interview with their security team. The completed recorded interviews are only required in the event of a legal issue or a regulatory compliance breach. What is the most cost-effective service to store the recorded videos?

Amazon Glacier

Which database should you use if your application and data schema require "joins" or complex transactions?

Amazon RDS

A customer is planning to migrate their Microsoft SQL Server databases to AWS. Which AWS Services can the customer use to run their Microsoft SQL Server database on AWS?

Amazon RDS Amazon EC2

What is the AWS data warehouse service that supports a high level of query performance on large amounts of datasets?

Amazon Redshift - is a fully managed, petabyte-scale data warehouse service in the cloud

To protect against data loss, you need to backup your database regularly. What is the most cost-effective storage option that provides immediate retrieval of your backups?

Amazon S3 - Amazon S3 provides highly durable and reliable storage for database backups while reducing costs

According to best practices, which of the below options is best suited for processing a large number of binary files?

Running EC2 instances in parallel (scaling horizontally)

What are the benefits of the AWS Marketplace service? (Choose TWO)

The AWS Marketplace provides value to buyers in several ways: 1- It simplifies software licensing and procurement with flexible pricing options and multiple deployment methods. Flexible pricing options include free trial, hourly, monthly, annual, multi-year, and BYOL. 2- Customers can quickly launch pre-configured software with just a few clicks, and choose software solutions in AMI and SaaS formats, as well as other formats. 3- It ensures that products are scanned periodically for known vulnerabilities, malware, default passwords, and other security-related concerns.

What are the customer's responsible for?

building application schema, analyzing network performance, configuring security groups and network ACLs and encrypting their data.

An AWS customer has used one Amazon Linux instance for 2 hours, 5 minutes and 9 seconds, and one Windows instance for 4 hours, 23 minutes and 7 seconds. How much time will the customer be billed for?

the customer will be charged for 2 hours, 5 minutes and 9 seconds for the Linux instance, and 5 hours for the Windows instance. ( Per second billing for Linux and Ubuntu - Other instances, including Windows is billed by the hour)

Where can AWS customers find their historical billing information in the AWS console?

- Billing and Cost Management Console

Which DynamoDB feature can be used to reduce the latency of requests to a database from milliseconds to microseconds?

- DAX: Amazon DynamoDB Accelerator (DAX) is a fully managed, highly available, in-memory cache for DynamoDB that delivers performance improvements from milliseconds to microseconds - even at millions of requests per second

According to the AWS shared responsibility model, what are the controls that customers fully inherit from AWS?

- Data center security controls - Environmental controls (meaning AWS does that and the customer inherits the benefits from that - Amazon is fully responsible for that)

What does AWS Cost Explorer provide to help manage your AWS spend?

- Highly accurate cost forecasts for up to 12 months ahead. - AWS Cost Explorer has an easy-to-use interface that lets you visualize, understand, and manage your AWS costs and usage over time.

Which of the following requires an access key and a secret access key to get programmatic access to AWS resources? (Choose TWO)

- IAM User - AWS account root user

Which of the following are true regarding the languages that are supported on AWS Lambda?

- Lambda natively supports a number of programming languages including python, node.js, and Java - Lambda can support any programming languages using an API

Using Amazon RDS falls under the shared responsibility model. Which of the following are customer responsibilities?

- Managing the database settings - Building the relational database schema

Which of the following are important design principles you should adopt when designing systems on AWS?

- Remove single points of failure - Automate wherever possible https://d1.awsstatic.com/whitepapers/architecture/AWS_Well-Architected_Framework.pdf

The AWS Cloud elasticity enables customers to save costs when compared to traditional hosting providers. What can AWS customers do to benefit from the AWS Cloud elasticity? (Choose TWO)

- Use Serverless Computing whenever possible. - User Amazon EC2 Auto Scaling

Which statement is correct with regards to AWS service limits?

- You can contact AWS support to increase the service limits - You can use the AWS Trusted Advisor to monitor you service limits

Which of the following strategies helps protect your AWS root account?

Don't create an API access key unless you need to

How are AWS customers billed for Linux-based Amazon EC2 usage?

EC2 instances will be billed on one second increments, with a minimum of one minute

What does the AWS Personal Health Dashboard provide?

**A personalized View of Service Health **Proactive Notifications **Detailed Troubleshooting Guidance

Which of the following AWS services are free to use?

- AWS Auto Scaling - AWS Cloud Formation

What services are serverless:

- AWS Lambda - AWS Fargate - Amazon SNS - Amazon SQS - Amazon DynamoDB

You manage a blog on AWS that has different environments: development, testing, and production. What can you use to create a custom console for each environment to view and manage your resources easily?

- AWS Resource Groups - with the Resource Groups tool, you can create a custom console that organizes and consolidates information based on your project and the resources that you use.

Which of the below options is true of Amazon Cloud Directory?

- Amazon Cloud Directory allows the organization of hierarchies of data across multiple dimensions

What services are server-based:

- Amazon EC2 - Amazon RDS - Amazon Redshift - Amazon EMR

What are the main differences between an IAM user and an IAM role in AWS? (Choose TWO)

- An IAM user has permanent credentials associated with it, however a role has temporary credentials associated with it. - an IAM user is uniquely associated with only one person, however a role is intended to be assumable by anyone who needs it.

Which AWS Service enables customers to set up an AWS billing alarm to inform them when their spending exceeds a certain threshold?

AWS CloudWatch - monitor the usage of your AWS resources

A company is deploying a new two-tier web application in AWS. Where should the most frequently accessed data be stored so that the application's response time is optimal?

Amazon ElastiCache

Which of the following EC2 instance purchasing options supports the Bring Your Own License (BYOL) model for almost every BYOL scenario?

Dedicated Hosts

Which of the following would you use to manage your encryption keys in the AWS Cloud? (Choose TWO)

-CloudHSM: is a cloud-based hardware security module (HSM) that enables you to easily generate and use your own encryption keys on the AWS Cloud - AWS KMS: is a managed service that makes it easy for you to create and control the encryption keys used to encrypt your data, and uses FIPS 140-2 validated hardware security modules to protect the security of your keys

Which of the following will impact the price paid for an EC2 instance?

-Instance Type -Storage Capacity -Buying option (on-demand, reserved, spot- dedicated) - Region -Data transfer in/out -Selected AMI

Which of the following is NOT a factor when estimating the costs of Amazon EC2?

-Number of Hosted Zones -Number of security groups **There are not costs associated with hosted zones or EC2 security groups**

You are using several on-demand EC2 Instances to run your development environment. What is the best way to reduce your charges when these instances are not in use?

-Stopping the instances -AWS doesn't charge usage for a stopped instance, or data transfer fees. For a stopped instance AWS will only charge you for EBS storage volumes attached to the instances.

The AWS account administrator of your company has been fired. With the permissions granted to him as an administrator, he was able to create multiple IAM user accounts and access keys. Additionally, you are not sure whether he has access to the AWS root account or not. What should you do immediately to protect your AWS infrastructure?

1- Change the user name and the password of the root user account and all of the IAM accounts that the administrator has access to. 2- Rotate (change) all access keys for those accounts. 3- Enable MFA on those accounts. 4- Place IP restriction on all User accounts.

Amazon Glacier provides several access time options that are suitable for varying data retrieval needs. What are the access time options?

1- Expedited : 1-5 minutes 2- Standard : 3-5 hours 3- Bulk : 5-12 hours

What are the capabilities of AWS X-Ray?

1- Review request behavior 2- Discover application issues 3- Improve application performance

Which of the following are advantages of using AWS as a cloud computing provider?

1- Trade capital for variable expense 2- Benefit from massive economies of scale 3- Stop guessing capacity 4- Increase speed and agility 5- Stop spending money on running and maintaining data centers 6- Go global in minutes

Examples of Shared Controls

1. Patch Management 2. Configuration Management 3. Awareness and Training

Which AWS service enables you to quickly purchase and deploy SSL/TLS certificates?

AWS ACM - AWS Certificate Manager - is a service that lets you easily provision, manage, and deploy public and private Secure Sockets Layer/Transport Layer Security (SSL/TLS) certificates

Which of the following AWS Services helps with planning application migration to the AWS Cloud?

AWS Application Discovery Service - helps systems integrators quickly and reliably plan application migration projects by automatically identifying applications running in on-premises data centers, their associated dependencies, and their performance profiles

Engineers are wasting a lot of time and effort managing batch computing software in traditional data centers. Which of the following AWS services allows them to easily run thousands of batch computing jobs?

AWS Batch - AWS Batch enables developers, scientists, and engineers to easily and efficiently run hundreds of thousands of batch computing jobs on AWS.

Which of the following allows you to create new RDS instances?

AWS CloudFormation AWS Management Console

Which of the following services enables you to easily generate and use your own encryption keys in the AWS Cloud?

AWS CloudHSM - is a cloud-based hardware security module (HSM) that enables you to easily generate and use your own encryption keys on the AWS Cloud.

Which of the following services will help businesses ensure compliance in AWS?

AWS CloudTrail - is designed to log all actions taken in your AWS account. This provides a great resource for governance, compliance, and risk auditing.

​ What is the name of the DynamoDB replication capability that provides fast read \ write performance for globally deployed applications?

AWS Global Accelerator

Which of the following AWS services scale automatically without your intervention?

AWS Lambda Amazon S3

What are the benefits of the AWS Organizations service?

AWS Organizations has five main benefits: 1) Centrally manage access polices across multiple AWS accounts. 2) Automate AWS account creation and management. 3) Control access to AWS services. 4) Consolidate billing across multiple AWS accounts. 5) Configure AWS services across multiple accounts.

A company is planning to use Amazon S3 and Amazon CloudFront to distribute its video courses globally. What tool can the company use to estimate the costs of these services?

AWS simple Monthly Caclculator: helps you estimate your monthly AWS bill more efficiently

You have set up consolidated billing for several AWS accounts. One of the accounts has purchased a number of reserved instances for 3 years. Which of the following is true regarding this scenario?

All accounts can receive the hourly cost benefit of the Reserved Instances

What is the AWS service that provides five times the performance of a standard MySQL database?

Amazon Aurora - is a fully-managed, MySQL and PostgreSQL-compatible relational database engine

What are the services that AWS provides to protect against network and application layer DDoS attacks? (Choose TWO)

Amazon CloudFront, AWS Shield, AWS Web Application Firewall (WAF), and Amazon Route 53 - work seamlessly together to create a flexible, layered security perimeter against multiple types of attacks including network and application layer DDoS attacks.

You are facing a lot of problems with your current contact center. Which service provides a cloud-based contact center that can deliver a better service for your customers?

Amazon Connect: is a cloud-based contact center solution. Amazon Connect makes it easy to set up and manage a customer contact center and provide reliable customer engagement at any scale.

What is the AWS database service that allows you to upload data structured in key-value format?

Amazon DynamoDB

Your company has a data store application that requires access to a NoSQL database. Which AWS database offering would meet this requirement?

Amazon DynamoDB

Which of the following AWS services is designed with native Multi-AZ fault tolerance in mind?

Amazon DynamoDB Amazon S3

What is the primary storage service used by Amazon RDS database instances?

Amazon EBS

Which of the following Cloud Computing deployment models eliminates the need to run and maintain physical data centers?

Cloud (There are three Cloud Computing Deployment Models: 1. Cloud 2. Hybrid. 3. On-Premise)

Which of the following enables you to monitor and collect log files from your Amazon EC2 instances?

CloudWatch Logs - monitor, store, and access your log files from Amazon Elastic Compute Cloud (Amazon EC2) instances, AWS CloudTrail, Route 53, and other sources.

You have AWS Basic support, and you have discovered that some AWS resources are being used maliciously, and those resources could potentially compromise your data. What should you do?

Contact the AWS Abuse Team

What are AWS shared controls?

Controls that apply to both the infrastructure layer and the customer layers.

An organization has decided to reserve EC2 compute capacity for three years in order to reduce costs. It is possible that the application workloads could change during the reservation time period. What is the EC2 Reserved Instance (RI) type that will allow the company to modify the reservation if they need to?

Convertible RIs

What is the main purpose of using Amazon SWF?

Coordinate tasks across distributed application components - Amazon Simple Workflow Service (SWF) is a web service that makes it easy to coordinate work across distributed application components

What do you gain from setting up consolidated billing for five different AWS accounts under another master account?

Each AWS account gets volume discounts

Adjusting compute capacity dynamically to reduce cost is an implementation of which AWS cloud best practice?

Implement Elasticity

​ A company is introducing a new product to their customers, and is expecting a surge in traffic to their web application. As part of their Enterprise Support plan, which of the following provides the company with architectural and scaling guidance?

Infrastructure Event Management - is a short-term engagement with AWS Support, included in the Enterprise-level Support product offering, and available for additional purchase for Business-level Support subscribers

Each AWS Region is composed of multiple Availability Zones. Which of the following best describes what an Availability Zone is?

It is a distinct location within a region that is insulated from failures in other AZs

What are the benefits of using the Amazon Relational Database Service?

Lower Administrative burden Resizable compute capacity

Which of the following Amazon RDS features facilitates offloading of database read activity?

Read Replicas

​One of the major advantages of using AWS is cost savings. Which of the below options is an example of the cost savings offered by AWS?

Per-second instance billing - customers therefore only pay for what they use.

What are the Amazon RDS features that can be used to improve the availability of your database?

Read Replicas Multi-AZ Deployment

Which feature enables users to sign in to their AWS accounts with their existing corporate credentials?

Federation - With Federation, you can use single sign-on (SSO) to access your AWS accounts using credentials from your corporate directory

What can you use to assign permissions directly to an IAM user?

IAM Policy

Which IAM entity can best be used to grant temporary access to your AWS resources?

IAM Roles

Which of the following is one of the benefits of AWS security?

Scales quickly with your AWS usage

Which Amazon EC2 Reserved Instance type is ideal for an application that predictably runs 3 hours a day, 5 days a week?

Scheduled RIs - are available to launch within the time windows you reserve. This option allows you to match your capacity reservation to a predictable recurring schedule that only requires a fraction of a day, a week, or a month.

What does AWS Snowball provide?

Secure transfer of large amounts of data into and out of the AWS cloud - peta-byte scale

What are valid Amazon EC2 Reserved Instance types?

Standard Convertible Scheduled

When using the AWS TCO tool, what information is required to calculate the potential savings of using AWS vs. on-premises?

The number of on-premise virtual machines

Which of the following approaches will help you eliminate human error and automate the process of creating and updating your AWS environment?

Use code to provision and operate your AWS infrastructure