AWS CCP - Stephanie Mareek Pre-Course Study Guide Actual Questions And Answers 100% Correct.

How to choose a AWS region? - correct answer Compliance Proximity Available services Pricing Availability Zones - correct answer Discrete datacenters in a region min. 2 max. 6 Shared Responsibility Model - correct answer Customer = security in the cloud AWS = security of the cloud You ONLY want to manage Applications and Data. Which type of Cloud Computing model should you use? On-prem IaaS SaaS PaaS - correct answer PaaS Pricing model of cloud computing? Discounts over time PAYG (pay-as-you-go) Pay once per year flat-rate - correct answer PAYG Global Infra composed of one or more datacenters Edge Locations Availability Zones Regions - correct answer Availability Zones Not a characteristic of cloud computing elasticity and scalability multi-tenancy and resource pooling dedicated support agents on-demand self service - correct answer dedicated support agents Not an advantage of cloud computing Trade CAPEX (capital expenditure) for OPEX (operational expenditure) train your employees less go global in minutes stop spending money running data centers - correct answer train your employees less which service has a global scope EC2 IAM Lambda Rekognition - correct answer IAM IAM Policies - correct answer Define permissions for users and groups IAM Policy Structure - correct answer Version: language version ID: optional Statement: (see next term) Statement: - correct answer Sid: statement id (optional) Effect: allow or deny Principal: account/user/role to which policy applies Action: list of actions effected Resource: resources to which actions apply Condition: optional AWS SDK - correct answer Software Development Kit Language-specific APIs Embedded within your application Bootstrapping - correct answer running scripts when EC2 instance starts EC2 Instance Name convention Example: m5.2xlarge - correct answer m: instance class 5: generation 2xlarge: size within a class Ports to know 21 22 80 443 3389 - correct answer 21 - ftp 22 - ssh/sftp 80 - http 443 - https 3389 - rdp EC2 Reserved Instances: Reservation Periods Purchase Options Types - correct answer 1 year or 3 year no upfront | partial upfront | all upfront Convertible Reserved: Can change instance type Scheduled Reserved: launch within reserve window (fraction of day / week / year) EC2 Spot Instance - correct answer Discount of up to 90% over PAYG but can be "lost" at any time if your max price is less than current spot price EC2 Dedicated Host - correct answer Physical server Allows use of server-bound software licenses 3-year period reservation EC2 Dedicated Instance - correct answer instances running on dedicated hardware may share hardware with other instances in same account no control over instance placement EC2 User Data - correct answer Script ran at first start of an instance EBS Volume - correct answer Elastic Block Store Volume - network drive you can attach to instances bound to a specific availability zone EBS Snapshot - correct answer (Snapshot) Not required to detach volume first but is recommended AMI - correct answer Amazon Machine Image - custom EC2 instance - built for specific regions (but can be copied across regions) You can launch EC2 instances from: - correct answer A Public AMI Your own AMI An AWS Marketplace AMI EC2 Image Builder - correct answer Automates creation, maintenance, validation, and testing of EC2 AMIs EC2 Instance Store - correct answer High-performance hardware disk Better I/O (than EBS volumes) Ephemeral EFS - correct answer Elastic File System Managed network file system that can be mounted to 100s of Linux EC2 instances across multiple AZs EFS-IA - correct answer EFS Infrequent Access Up to 92% lower cost Auto moved to from EFS after file not accessed for 60 days Amazon FSx - correct answer Windows native file system built on Windows File Server, supports SMB and NTFS Amazon FSx for Lustre - correct answer File storage for high performance computing Vertical Scaling - correct answer Making one instance larger - beefier Horizontal Scaling - correct answer increasing number of instances Scalability - correct answer ability to handle a larger load Elasticity - correct answer reilies on a scalable system that is automated/cloud-friendly, PAYG, matches demand, and optimize costs Agility - correct answer Not related to scalability - time to make IT resources available Load Balancing - correct answer Forward network traffic to multiple instances ELB - correct answer Elastic Load Balancer 3 kinds of load balancers (offered) - correct answer Application Network Classic Application Load Balancer - correct answer http/s only - layer 7 Network Load Balancer - correct answer ultra high performance, tcp - layer 4 Classic Load Balancer (Being Retired) - correct answer Layer 4 and Layer 7 ASG - correct answer Auto Scaling Group - scales instances in and out to match increases or decreases in load ASG Scaling Strategies - correct answer Manual Dynamic - respond to changing demand Scheduled Predictive - uses ML S3 - correct answer Simple Storage Service Advertised as "infinitely scaling" S3 Use Cases - correct answer Backup and storage DR Archive Hybrid Cloud Storage Application Hosting Media hosting Data lakes & big data analytics Software delivery Static website S3 Objects aka... - correct answer Files