AWS Cloud Services Overview
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An e-commerce company wants to ensure their RDS database remains operational during an AZ outage, with automatic failover. Which solution addresses this?

  • Provision the database via CloudFormation.
  • Configure the database in RDS read replica mode with automatic failover.
  • Deploy the database via Elastic Beanstalk.
  • Configure the database in RDS Multi-AZ deployment with automatic failover. (correct)
  • An IT company is migrating to AWS. Which expense areas would result in cost savings?(Select two)

  • SaaS application license fee
  • Project manager salary
  • Data center hardware infrastructure expenditure (correct)
  • Developer salary
  • Data center physical security expenditure (correct)
  • A Security Group can have both allow and deny rules.

    False (B)

    Which tool helps access AWS services using programming language-specific APIs?

    <p>AWS Software Developer Kit (SDK) (C)</p> Signup and view all the answers

    What is the highest possible discount offered for spot instances compared to On-demand prices?

    <p>90% (D)</p> Signup and view all the answers

    Amazon ________ is an AWS database service.

    <p>Redshift</p> Signup and view all the answers

    Match the following AWS services with the type of service they provide:

    <p>Amazon EC2 = Infrastructure as a Service (IaaS) Amazon S3 = Object Storage Amazon Redshift = Data Warehouse AWS Lambda = Function-as-a-Service</p> Signup and view all the answers

    What type of Cloud Computing does Amazon EC2 represent?

    <p>Infrastructure as a Service (IaaS)</p> Signup and view all the answers

    Which cloud service model provides the most control over the underlying infrastructure?

    <p>IaaS (C)</p> Signup and view all the answers

    An EBS volume can be attached to multiple EC2 instances across different Availability Zones.

    <p>False (B)</p> Signup and view all the answers

    Which S3 storage class generally has the longest retrieval time?

    <p>S3 Glacier Deep Archive (D)</p> Signup and view all the answers

    For a scientific computation application needing high-performance hardware disks with fast I/O, which cost-effective storage option is most suitable?

    <p>Instance Store</p> Signup and view all the answers

    Which of the following AWS services can host a Microsoft SQL Server database? (Choose two)

    <p>Amazon EC2 (A), Amazon Relational Database Service (Amazon RDS) (B)</p> Signup and view all the answers

    To perform SQL-based analysis on data stored in Amazon S3 with minimal effort, a suitable service is Amazon ______

    <p>Athena</p> Signup and view all the answers

    Match the following AWS storage services with their primary characteristics:

    <p>EBS = Block storage for EC2 with single AZ attachment EFS = Shared file storage accessible across multiple AZs S3 = Object storage offering scalability and durability Instance Store = Local high-performance storage directly attached to an EC2 instance</p> Signup and view all the answers

    EFS file systems are limited to being mounted on EC2 instances within a single Availability Zone.

    <p>False (B)</p> Signup and view all the answers

    Which of the following are pillars of the AWS Well-Architected Framework? (Select two)

    <p>Reliability (C), Availability (A)</p> Signup and view all the answers

    The ability to acquire and release resources based on needs is a characteristic of Cloud Computing known as Elasticity.

    <p>True (A)</p> Signup and view all the answers

    What is the AWS service used for storing, managing, and deploying Docker container images?

    <p>Amazon Elastic Container Registry (ECR)</p> Signup and view all the answers

    Which AWS service can protect a web application from common attacks like SQL injection and cross-site scripting?

    <p>AWS Web Application Firewall (WAF) (D)</p> Signup and view all the answers

    How can you connect your on-premises network with AWS Cloud? (Select two)

    <p>AWS VPN (C), AWS Direct Connect (D)</p> Signup and view all the answers

    According to the AWS Shared Responsibility Model, the customer is responsible for ______ of the RDS database.

    <p>applying patches</p> Signup and view all the answers

    What type of scaling does a Multi-AZ (Availability Zone) deployment exemplify?

    <p>High Availability (D)</p> Signup and view all the answers

    Data transfer charges into or out of AWS Regions are uniformly priced across all regions and services.

    <p>False (B)</p> Signup and view all the answers

    An IT company's DevOps team is transferring 500 GB of data from an EC2 instance to an S3 bucket within the same AWS region. What are the correct data transfer charges?

    <p>No charges for this data transfer (C)</p> Signup and view all the answers

    Which of the following are AWS storage services? (Select two)

    <p>EFS (C), S3 (E)</p> Signup and view all the answers

    At which layer does AWS Web Application Firewall (WAF) offer protection against common web exploits?

    <p>Layer 7 (C)</p> Signup and view all the answers

    According to the AWS Shared Responsibility Model, which responsibilities belong to AWS? (Select two)

    <p>Replacing faulty hardware of Amazon EC2 instances (C), Maintaining Amazon S3 data in different availability zones for durability (E)</p> Signup and view all the answers

    Which AWS service is used to mitigate a Distributed Denial of Service (DDoS) attack?

    <p>AWS Shield (B)</p> Signup and view all the answers

    A data analytics company needs a storage service accessible by hundreds of EC2 instances simultaneously for appending data to existing files. Which AWS service is most suitable?

    <p>EFS (A)</p> Signup and view all the answers

    Data transfer between an EC2 instance and an S3 bucket in different AWS regions is free.

    <p>False (B)</p> Signup and view all the answers

    The AWS service responsible for preventing DDoS attacks is called AWS ______.

    <p>Shield</p> Signup and view all the answers

    Which of the following is NOT an advantage of Cloud Computing?

    <p>Train your employees less (B)</p> Signup and view all the answers

    Cloud Computing allows on-demand availability of computer system resources without any user management.

    <p>True (A)</p> Signup and view all the answers

    What model defines the distribution of responsibilities for security in the AWS Cloud?

    <p>The Shared Responsibility Model</p> Signup and view all the answers

    Deploying applications across multiple AZs will help address __________.

    <p>High Availability</p> Signup and view all the answers

    Which of the following are advantages of cloud computing? (Choose 3)

    <p>No specialist knowledge required (A), Agility – Decreasing the time to start new services (C), Variable expense (D)</p> Signup and view all the answers

    According to the Shared Responsibility Model, the customer is responsible for protecting hardware.

    <p>False (B)</p> Signup and view all the answers

    How do you pay for AWS services?

    <p>Pay for what you use, Pay less when you reserve, Pay monthly</p> Signup and view all the answers

    Match the following cloud computing concepts with their descriptions:

    <p>Agility = Decreasing time to start new services Elasticity = Ability to scale resources as required Variable expense = Costs fluctuate based on usage High Availability = Ensuring minimal downtime</p> Signup and view all the answers

    What is the correct statement regarding Security Groups and Network Access Control Lists?

    <p>Security Group acts as a firewall at the instance level whereas Network Access Control List acts as a firewall at the subnet level. (D)</p> Signup and view all the answers

    S3 is a file-based storage service in AWS.

    <p>False (B)</p> Signup and view all the answers

    What is the primary benefit of deploying an RDS database in a Multi-AZ configuration?

    <p>enhanced database availability</p> Signup and view all the answers

    In AWS, S3 is __________ based storage, EBS is __________ based storage, and EFS is __________ based storage.

    <p>object, block, file</p> Signup and view all the answers

    Which Global Infrastructure identity is composed of one or more discrete data centers?

    <p>Availability Zones (A)</p> Signup and view all the answers

    The SaaS model allows users to manage infrastructure and platforms.

    <p>False (B)</p> Signup and view all the answers

    Match the following AWS services with their storage type:

    <p>S3 = Object-based storage EBS = Block-based storage EFS = File-based storage</p> Signup and view all the answers

    What is the pricing model of Cloud Computing?

    <p>Pay-as-you-go Pricing (C)</p> Signup and view all the answers

    Study Notes

    Data Transfer Charges

    • Moving data from an EC2 instance to an S3 bucket in the same region incurs charges for both outbound and inbound data transfer
    • The company would be charged for both the outbound data transfer from the EC2 instance and the inbound data transfer to the S3 bucket.

    AWS Storage Services

    • Storage services offered by AWS Cloud include EFS and S3.

    AWS Web Application Firewall (WAF)

    • WAF protects from common web exploits at Layer 7.

    AWS Shared Responsibility Model

    • Replacing faulty Amazon EC2 hardware is an AWS responsibility
    • Maintaining Amazon S3 data in different availability zones to keep it durable is an AWS responsibility

    DDoS Attack Mitigation

    • Amazon CloudWatch is a service that can mitigate DDoS attacks.
    • AWS Shield is another service for mitigating DDoS attacks

    Storage Service for Data Appendage

    • S3 is the recommended storage service for appending data simultaneously by hundreds of EC2 instances

    Route 53 Routing Policy

    • Weighted Routing Policy is used to route traffic to multiple resources and determine the traffic distribution to each resource.

    Serverless AWS Service

    • Lambda is a serverless AWS service

    Advantages of AWS Cloud

    • AWS Cloud offers trade-off of capital expense for variable expense.
    • Reduced infrastructure capacity guesswork
    • Quicker deployment and faster time to market,

    AWS Region Replication

    • Cross-Region Replication (CRR) copies data between different regions most efficiently.

    AWS Managed Services

    • AWS RDS managed service offers better performance than a customer-managed database.
    • The customer avoids patching the underlying OS.
    • The customer isn't required to manage backups.

    VPC Endpoint Gateway

    • Amazon S3 and Amazon EC2 support VPC Endpoint Gateway for a private connection

    Cost-Effective S3 Storage

    • The most cost-effective storage class for less frequently accessed data is S3 Intelligent-Tiering.

    Security Service, No Additional Costs

    • AWS Shield Standard is enabled for all AWS customers by default at no extra charge

    Cloud Agility

    • AWS cloud architecture allows for quick iterations by quickly leveraging AWS services to deploy new features.

    Scaling Principle

    • Fault tolerance is achieved with horizontal scaling, where resources are duplicated and increased, not by increasing power of the original machine.

    Cloud Computing Advantages

    • Economies of scale, by reducing capital expenditure costs.
    • Faster global deployments using multiple regions.
    • Flexible deployments with quick start-up options.

    Database Replication in a Single Availability Zone

    • Configuring the RDS database in Multi-AZ mode with automatic failover allows to continue database operations in case of AZ failures.

    AWS Expense Areas in Cloud Migration

    • Eliminating hardware expenses and application license fees results in saving operational expenses

    AWS VPC Service

    • Security groups can allow rules only

    AWS APIs/SDKs

    • AWS SDKs are used to access all AWS services using programming language specific APIs

    AWS Database Service

    • Amazon Redshift is an AWS database service.
    • Amazon EBS is an AWS storage service

    Cloud Computing Type for EC2

    • EC2 represents Infrastructure as a Service (IaaS).

    Availability Zone Storage Characteristics

    • EBS volumes can be attached to one or more instances within the same Availability Zone and EFS file systems can be mounted across multiple Availability Zones

    Time Most to Retrieve Data

    • S3 Glacier Deep Archive storage class takes the most time to retrieve data (first byte latency).

    Storage Cost-Effective Solution for Computation Application

    • EBS is a cost-effective solution for high-performance and fault tolerant applications.

    Microsoft SQL Server Database Hosting

    • Amazon Aurora and Amazon RDS can host Microsoft SQL Server databases

    SQL Database Analysis on Amazon S3

    • Amazon Athena is the recommended service for SQL based analysis on data stored on Amazon S3.

    AWS Cloud Computing Characteristic

    • Flexibility in acquiring required resources

    Docker Container Storage

    • Amazon Elastic Container Registry (ECR) is a service to store, manage, and deploy Docker images.

    Firewall Security

    • AWS WAF (Web Application Firewall) is used to secure web applications from common web exploits

    Connecting On-Premises to AWS

    • AWS Direct Connect and Amazon VPC are used to connect on-premises networks to AWS Cloud

    RDS Responsibility

    • The responsibility of applying OS patches related to the database hardware falls on AWS.
    • Database encryption is a customer responsibility.

    AWS Pricing

    • Pay-as-you-go is the price model for AWS services. It's the dominant cloud price model.

    Cloud Computing Advantages

    • Cloud computing allows a company to trade capital expense for operational expense.
    • It enables global presence by delivering resources in multiple regions around the world.

    Cloud Definition

    • Cloud computing provides on-demand availability of computer resources, including data storage and computing power.

    Security Responsibility

    • Security of the AWS global infrastructure is AWS's responsibility while security for the operating system inside Amazon EC2 instances falls on the customer.

    Computing Model for Data and Applications Management

    • The best model for managing data and applications is Platform as a Service (PaaS).

    Deployment Model

    • When on-premesis data centers are combined with AWS cloud, this is a hybrid deployment architecture

    Flexible Schema Database Service

    • Amazon DynamoDB supports flexible schemas and document data models

    Container Applications

    • Amazon Elastic Container Service - Fargate is the service to run container applications without handling server management.

    Accessing File-Based Data

    • EFS is the recommended service to access file-based data.

    Flexible and Cost-Effective Instance Type

    • On-Demand Instances are the most flexible and cost-effective option for AWS instances,

    Firewalls

    • Security Groups are firewalls acting at the instance level, and Network Access Control Lists (NACLs) are firewalls operating at the subnet level

    AWS Storage Services

    • S3, EBS, & EFS are object-based, block-based, and file-based storage respectively.

    Multi-AZ RDS Benefit

    • Multi-AZ configuration for RDS databases enhances database availability and resilience to regional failures.

    Global Infrastructure Deployment

    • A Global infrastructure is a deployment comprising multiple data centers with redundant connectivity, power, and networking.

    Cloud Computing Model Focus

    • A PaaS (Platform as a Service) model is appropriate if only managing applications and data is desired. This is where the customer only manages the applications and data. It eliminates the need to manage the compute resources.

    Cloud Pricing

    • The most common pricing model for cloud computing is Pay-as-you-go.

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    Description

    This quiz covers essential concepts related to Amazon Web Services (AWS) including data transfer charges, storage services like S3 and EFS, web application firewall, and the shared responsibility model. Test your knowledge on AWS services designed for security and data management.

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