• Home
  • Disclaimer
  • Contact
  • Archives
  • About
  • Subscribe
  • Support
  • Advertise

Kernel Talks

Unix, Linux, & Cloud!

  • How-to guides
    • Howto
    • Disk management
    • Configurations
  • OS
    • HPUX
    • Linux
  • Commands & tools
    • Commands
    • Software & Tools
    • System services
  • Cloud computing
    • AWS CSA preparation guide!
    • Cloud Services
  • Tips & Tricks
  • Linux commands
You are here: Home / Virtualization

AWS CloudFront, SNS, SQS revision before the CSA exam

Published: April 25, 2017 | Modified: June 24, 2020 | 1,079 views



Quick revision on topics AWS CloudFront, SNS, SQS before appearing AWS Certified Solutions Architect – Associate exam.

CloudFront, SNS, SQS revision!

This article notes down a few important points about AWS (Amazon Web Services) CloudFront, SNS, and SQS. This can be helpful in last-minute revision before appearing for the AWS Certified Solutions Architect – Associate level certification exam.

This is third part of AWS CSA revision series. Rest of the series listed below :

  • AWS CSA revision part I (EC2, S3, RDS)
  • AWS CSA revision part II (VPC, Route53, IAM)
  • AWS CSA revision part IV (SWF,Beanstalk, EMR, Cloudfomation)

In this article, we are checking out key points about CloudFront(CDN Content Delivery Network), SNS (Simple Notification Service), and SQS (Simple Queue Service).

Recommended read : AWS CSA exam preparation guide

Lets get started :

AWS Cloudfront

  • Origin can be S3 bucket or CNAME of Elastic Load Balancer ELB
  • S3 bucket as the origin. URL will be bucket_name.s3-reagion.cloudfront.net
  • Private content sharing with signed URL with an expiration time limit
  • To serve a new object version, create a new distribution, or create invalidation of the old objects. Since invalidation costs, creating new distribution always helps.
  • Limits :
    • 1,00,000 Requests per second per distribution
    • 200 distributions per account
    • 40Gbps speed per distribution
    • 25 origins per distribution
    • 20 GB max file size to serve
  • By default, object expiration is 24 hours. The minimum TTL is 0.

Amazon SNS

  • The latest addition to SNS is Lambda
  • SNS has two clients: Publishers and subscribers
  • Publishers communicate with subscribers by sending messages to the topic.
  • Protocol supported :
    • HTTP
    • HTTPS
    • SMS
    • email
    • email-JSON
    • Amazon SQS
    • AWS Lambda
  • SNS Topic of the same name can be created after 30-60 seconds the previous topic deleted.

Amazon SQS

  • The default visibility timeout is 30 secs. The maximum is 12 hours.
  • Mainly used to decouple your application
  • The default period message stays in queue is 4 days. Min-Max periods are 1 min to 2 weeks.
  • The maximum SQS message size is 256KB.
  • Supports an unlimited number of queues and unlimited messages per queue.
  • Long polling can be done from 1 to 20 secs.
⇠ Previous article
How to find MAC address of LAN card in HPUX
Next article ⇢
AWS SWF, Beanstalk, EMR, Cloudfomation revision before the CSA exam

Related stuff:

  • How to release the Elastic IP in AWS
  • Journey to AWS Certified Solutions Architect – Professional Certification SAP-C01
  • Running a pod in Kubernetes
  • Know different Load Balancers in AWS
  • Difference between elastic IP and public IP
  • Beginners guide to Docker Image
  • AWS cloud terminology
  • AWS VPC, Route53, IAM revision before the CSA exam
  • How to install VMware Tools on Linux guest machine
  • How to: Virtual Private Cloud in AWS
  • How to reset iptables to the default settings
  • Docker container utilization monitoring

Filed Under: Cloud Services, Virtualization Tagged With: Amazon web services Certified Solutions Architect - Associate level exam study material, AWS Certified Solutions Architect Associate level exam, aws cloudfront, AWS CSA flash cards, AWS CSA study material, aws sns, aws sqs

If you like my tutorials and if they helped you in any way, then

  • Consider buying me a cup of coffee via paypal!
  • Subscribe to our newsletter here!
  • Like KernelTalks Facebook page.
  • Follow us on Twitter.
  • Add our RSS feed to your feed reader.

Share Your Comments & Feedback: Cancel reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Get fresh content from KernelTalks

  • Email
  • Facebook
  • RSS
  • Twitter

Popular posts

  • How to start, stop & restart MariaDB server in Linux
  • How to reset iptables to the default settings
  • 4 ways to check the size of physical memory (RAM) in Linux
  • How to list YUM repositories in RHEL / CentOS
  • How to rescan disk in Linux after extending VMware disk
  • How to remount filesystem in the read-write mode under Linux
  • mount.nfs: requested NFS version or transport protocol is not supported
  • How to configure login banners in Linux (RedHat, Ubuntu, CentOS, Fedora)
  • MobaXterm X11 proxy: Authorisation not recognised
  • How to setup domain name in Linux server

Get Linux & Unix stuff right into your mailbox. Subscribe now!

* indicates required

This work is licensed under a CC-BY-NC license · Privacy Policy
© Copyright 2016-2020 KernelTalks · All Rights Reserved.
The content is copyrighted to Shrikant Lavhate & can not be reproduced either online or offline without prior permission.