AWS Technology Flashcards

Question

Database Services What is RDS?

Answer 1

Relational Database - Amazon Relational Database Service - a service that makes it easy to launch and manage relational databases Supports popular database engines like Amazon Aurora, PostgreSQL, MySQL, MariaDB, Oracle, and Microsoft SQL Server Offers high availability and fault tolerance using Multi-AZ deployment option AWS manages the database with automatic software patching, automated backups, operating system maintenance, and more Launch read replicas across regions in order to provide enhanced performance and durability

Answer 2

Relational Database - a relational database compatible with MySQL and PostgreSql that was created by AWS Supports MySQL and PostgreSQL database engines 5x faster than normal MySQL and 3x faster than normal PostgreSQL Scales automatically while providing durability and high availability Managed by RDS

Answer 3

NoSQL Database - is a fully managed NoSQL key-value and document database NoSQL key-value database Fully managed and serverless Non-relational Scales automatically to massive workloads with fast performance

Answer 4

Document Database - a fully managed document database that supports MongoDB Document database MongoDB compatibile Fully managed and serverless Non-relational

Answer 5

In-memory Database - a fully managed in-memory datastore compatible with Redis or Memcached In-memory datastore Compatible with Redis or Memcached engines Data can be lost Offers high performance and low latency

Answer 6

Graph Database - a fully managed graph database that supports highly connected datasets Graph database service Supports highly connected datasets like social media networks Fully managed and serverless Fast and reliable

Answer 7

1. Migrate an on-premises Oracle database to the cloud a. RDS 2. Migrate an on-premises PostgreSQL database to the cloud a. RDS b. Aurora 3. Alleviate database load for data that is accessed often a. ElastiCache 4. Process large sets of users profiles and social interactions a. Neptune 5. NoSQL database fast enough to handle millions of requests per second a. DynamoDB 6. Operate MongoDB workloads at scale a. DocumentDB

Answer 8

Helps you migrate databases to or within AWS Migrate on-premises databases to AWS Continuous data replication Supports homogeneous and heterogeneous migrations Virtually no downtime

Answer 9

Allows you to migrate on-premises servers to AWS Migrates on-premises servers to AWS Server saved as a new Amazon Machine Image (AMI) Use AMI to launch servers as EC2 instances

Answer 10

Physical data transfer services - Allows you to transfer large amounts of on-premises data to AWS using a physical device * Snowcone Smallest member of data transport devices 8 terabytes of usable storage Offline shipping Online with Datasync * Snowball and Snowball Edge Petabyte-scale data transport solution Transfer data in and out Cheaper than Internet transfer Snowball Edge supports EC2 and Lambda * Snowmobile Multi-petabyte or exabyte scale Data loaded to S3 Securely transported

Answer 11

Allows for online data transfer from on-premises to AWS storage services like S3 or EFS Migrates data from on-premises to AWS Copy data over Direct Connect or the Internet Copy data between AWS storage services Replicate data cross-Region or cross-account

Answer 12

A data warehouse is a data storage solution that aggregates massive amounts of historical data from disparate sources. Data warehouses support querying, reporting, analytics, and business intelligence. They are not used for transaction processing.

Answer 13

A scalable data warehouse solution Data warehousing solution Improves speed and efficiency Handles exabyte-scale data Use Cases When you need to consolidate multiple data sources for reporting When you want to run a database that doesn't require real-time transaction processing (insert, update, and delete)

Answer 14

The act of querying or processing your data. Services that allow you to gain deeper insights enhance decision-making, and act in real time to what your data is telling you.

Answer 15

A query service for Amazon S3 Query service Analyze S3 data using SQL Pay per query Considered serverless

Answer 16

Prepares your data for analytics Extract, transform, load - (ETL) service Prepare and load data Helps to better understand your data

Answer 17

Allows you to analyze data and video streams in real time Analyze real-time streaming data Supports video, audio, application logs, website clickstreams, and IoT

Answer 18

Helps you process large amounts of data Process big data Analyze data using Hadoop Works with big data frameworks

Answer 19

Helps you move data between compute and storage services running either on AWS or on-premises Moves data at specific intervals Moves data based on conditions Sends notifications on success or failure

Answer 20

Helps you visualize your data Build interactive dashboards Embed dashboards in your applications

Answer 21

1. Search data in S3 Athena helps you query historical data stored in S3 as if they were relational data using standard SQL 2. Log Analytics Kinesis helps you analyze logs in near real time for application monitoring or fraud detection

Answer 22

Artificial intelligence (AI) teaches computers to do things that normally require human intelligence. Businesses leverage AI and machine learning to add intelligence to their applications and leverage trends and patterns in data.

Answer 23

Allows you to automate your image and video analysis Image and video analysis Identify customer labels in images and videos Face and text detection in images and videos Use case Review video and provide analysis

Answer 24

A natural-language processing (NLP) service that finds relationships in text. Natural-language processing (NLP) service Uncovers insights and relationships Analyzes text Use case Review social media posts for specific words

Answer 25

Turns text into speech Mimics natural-sounding human speech Several voices across many languages Can create a custom voice Use case Convert text to speech for audio recordings

Answer 26

Helps you build, train, and deploy machine learning models quickly Prepare data for models Train and deploy models Provides deep learning AMIs Use case Build a recommendation engine. Recommend movies and products to buy.

Answer 27

Provides language translation Provides real-time and batch language translation Supports many languages Translates many content formats Use case Add localization to websites or applications

Answer 28

Helps you build conversational interfaces like chatbots Recognizes speech and understands language Build highly engaging chatbots Powers Amazon Alexa Use case Integrate voice into a device

Answer 29

Allows you to write code within an integrated development environment (IDE) from within your web browser. Integrated development environment (IDE) Write and debug code Supports popular programing languages Use case Build serverless applications - preconfigures the development environment with the needed SDKs and libraries. You can easily write the code for your Lambda function directly in your web browser

Answer 30

A source control system for private Git repositories Create repositories to store code Commit, branch, and merge code Collaborate with other software developers Use case Manage versions of source code files for your applications similar to GitHub

Answer 31

Allows you to build and test your application source code Compiles source code and runs tests Enables continuous integration and delivery (CI/CD) Produces build artifacts ready to be deployed Use case Run tests before deploying a new version of an application to production

Answer 32

Manages the deployment of code to compute services in the cloud or on-premises Deploys code to EC2, Fargate, Lambda, and on-premises Maintains application uptime Use case Maintain application uptime when rolling out a new version through rolling deployments

Answer 33

Deliver new features and updates Quickly deliver new features and updates Integrates with CodeBuild to run builds and unit tests Integrates with CodeCommit to retrieve source code Integrates with CodeDeploy to deploy your changes Use case Add automation to the building, testing, and deployment of your application

Answer 34

Helps you debug production applications Analyze and debug production applications Map application components View requests end to end Use case Trace calls to an RDS database

Answer 35

Helps developers collaboratively work on development projects Developers connect their development environment Integrates with CodeCommit, CodeBuild, and CodeDeploy Contains issue tracking dashboard Use case Manage the development pipeline

Answer 36

These services help you quickly stand up new applications, automate the management of infrastructure, and provide real-time visibility into system health.

Answer 37

Infrastructure as Code (IaC) - allows you to write a script to provision AWS resources. The benefit is that you provision resources in a reproducible manner that saves time.

Answer 38

Allows you to provision AWS resources using Infrastructure as Code (IaC) Provides a repeatable process for provisioning resources Works with most AWS services Create templates for the resources you want to provision Use case Automate the infrastructure provisioning process for EC2 servers

Answer 39

Allows you to deploy your web applications and web services to AWS Orchestration service that provisions resources Automatically handles the deployment Monitors application health via a health dashboard Use case Quickly deploy a scalable Java-based web application to AWS

Answer 40

Allows you to use Chef or Puppet to automate the configuration of your servers and deploy code Deploy code and manage applications Manage on-premises servers for EC2 instances in AWS Cloud Works with Chef and Puppet automation platforms Use case Automate software configurations and infrastructure management for your application

Answer 41

Coupling defines the interdependencies or connections between components of a system. Loose coupling helps reduce the risk of cascading failures between components

Answer 42

An application that uses Tight coupling - tightly coupled components are highly dependent on each other

Answer 43

Loose coupling - loosely coupled components are connected but not dependent on each other

Answer 44

Data structure that holds requests or messages Used to implement loosely coupled systems

Answer 45

A message queuing service that allows you to build loosely coupled systems. Allows component-to-component communication using messages Multiple components (or producers) can add messages to the queue Messages are processed in an asynchronous manner

Answer 46

Allows you to send emails and text messages from your applications Send email and text messages Publish messages to a topic Subscribers receive messages

Answer 47

An email service that allows you to send richly formatted HTML emails from your applications Ideal choice for marketing campaigns or professional emails Unlike SNS, SES sends HTML emails

Answer 48

Services that give you insights into how well your systems are performing and help you proactively find and resolve errors Helps to answer the following types of questions 1. Who signed in and made changes via the AWS management console? 2. What is the current load on this EC2 instance? 3. What is the root cause of this application error? 4. Which execution path resulted in this error?

Answer 49

A collection of services that help you monitor and observe your cloud resources Collects metrics, logs, and events Detect anomalies in your environment Set alarms Visualize logs Services CloudWatch Alarms - Set high resolution alarms CloudWatch Logs - Monitor application logs CloudWatch Metrics - Visualize time-series data CloudWatch Events - Trigger an event based on a condition

Answer 50

Tracks user activity and API calls within your account Log and retain account activity Track activity through the console, SDKs, and CLI Identify which user made changes Detect unusual activity in your account Use Cases Track the time a particular event occurred in your account Troubleshoot events over the past 90 days You can create a custom trail to extend past 90 days Track Username Event time and name IP address Access key Region Error code

Answer 51

Host virtual desktops in the cloud Virtualize Windows or Linux desktops Enables employees to work from home

Answer 52

A cloud contact center service Provides customer service functionality Improves productivity of help desk agents