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AWS Comparison of Services

//AWS Comparison of Services

Amazon Aurora vs Amazon RDS

2021-01-19T01:05:26+00:00

Amazon Aurora vs Amazon RDS     Aurora RDS Type of database Relational database Features MySQL and PostgreSQL compatible. 5x faster than standard MySQL databases and 3x faster than standard PostgreSQL databases. Use Parallel Query to run transactional and analytical workloads in the same Aurora database, while maintaining high performance. You can distribute and load balance your unique workloads across different sets of Aurora DB instances using custom endpoints. Aurora Serverless allows for on-demand, autoscaling of your Aurora DB instance capacity. Has several database instance types for different kinds of workloads and support five database engines - MySQL, PostgreSQL, MariaDB, [...]

Amazon Aurora vs Amazon RDS2021-01-19T01:05:26+00:00

AWS Secrets Manager vs Systems Manager Parameter Store

2020-12-29T10:55:31+00:00

AWS Secrets Manager vs Systems Manager Parameter Store Managing the security of your applications is an integral part of any organization especially for infrastructures deployed in the cloud. One aspect of application security is how the parameters such as environment variables, database passwords, API keys, product keys, etc. are stored and retrieved. As a best practice, secret information should not be stored in plain text and not be embedded inside your source code. It is also recommended to set up an automated system to rotate passwords or keys regularly (which is easy to forget when you manage keys manually). Managing [...]

AWS Secrets Manager vs Systems Manager Parameter Store2020-12-29T10:55:31+00:00

Global Secondary Index vs Local Secondary Index

2020-12-29T09:20:23+00:00

Global Secondary Index vs Local Secondary Index A secondary index is a data structure that contains a subset of attributes from a table, along with an alternate key to support Query operations. An Amazon DynamoDB table can have multiple secondary indexes. Global Secondary Index Read/Write Capacity Calculation (Provisioned Throughput Mode) Eventually consistent reads consume ½ read capacity unit. Therefore, each query can retrieve up to 8KB of data per capacity unit (4KB x 2). The maximum size of the results returned by a Query operation is 1 MB. The total provisioned throughput cost for a write consists of the sum [...]

Global Secondary Index vs Local Secondary Index2020-12-29T09:20:23+00:00

Step Scaling vs Simple Scaling Policies in Amazon EC2

2020-12-29T10:59:24+00:00

Step Scaling vs Simple Scaling Policies in Amazon EC2 Amazon’s EC2 Auto Scaling provides an effective way to ensure that your infrastructure is able to dynamically respond to changing user demands. For example, to accommodate a sudden traffic increase on your web application, you can set your Auto Scaling group to automatically add more instances. And when traffic is low, have it automatically reduce the number of instances. This is a cost-effective solution since it only provisions EC2 instances when you need them. EC2 Auto Scaling provides you with several dynamic scaling policies to control the scale-in and scale-out events. [...]

Step Scaling vs Simple Scaling Policies in Amazon EC22020-12-29T10:59:24+00:00

AWS Global Accelerator vs Amazon CloudFront

2020-12-29T10:54:53+00:00

AWS Global Accelerator vs Amazon CloudFront In this day and age, your site speed performance is an important factor when it comes to user experience. It is widely recommended for websites to have an average load time of 3 seconds as users tend to abandon the site if a page takes longer than 3 seconds to load. According to Amazon, just 100 milliseconds of extra load time cost them 1% in sales. Indeed, every second counts in our fast-paced digital world. Amazon Web Services has always been the global leader in Cloud Computing with its speed, performance, and reliability. With [...]

AWS Global Accelerator vs Amazon CloudFront2020-12-29T10:54:53+00:00

Amazon Cognito User Pools vs Identity Pools

2020-12-29T10:50:43+00:00

Amazon Cognito User Pools vs Identity Pools With the proliferation of smartphones in our connected world, more and more developers are quickly deploying their applications on the cloud. One of the first challenges in developing applications is allowing users to log in and authenticate on your applications. There are multiple stages involved in user verification and most of these are not visible from the end-user. AWS provides an easy solution for this situation. User Identity verification is at the core of Amazon Cognito. It provides solutions for three key areas of user identification:  Authentication – provides users sign-up and sign-in [...]

Amazon Cognito User Pools vs Identity Pools2020-12-29T10:50:43+00:00

Redis (cluster mode enabled vs disabled) vs Memcached

2020-12-29T10:58:16+00:00

Redis (cluster mode enabled vs disabled) vs Memcached   Note: If you are studying for the AWS Certified Database Specialty exam, we highly recommend that you take our AWS Certified Database - Specialty Practice Exams and read our Database Specialty exam study guide. Sources: https://docs.aws.amazon.com/AmazonElastiCache/latest/mem-ug/SelectEngine.html https://aws.amazon.com/elasticache/redis-vs-memcached/ https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/Replication.Redis-RedisCluster.html

Redis (cluster mode enabled vs disabled) vs Memcached2020-12-29T10:58:16+00:00

Backup and Restore vs Pilot Light vs Warm Standby vs Multi-site

2020-12-29T10:56:27+00:00

Backup and Restore vs Pilot Light vs Warm Standby vs Multi-site You should select the most appropriate DR plan to meet your company RTO and RPO. Consider also your budget and which system elements are most critical for your business.   References: https://www.slideshare.net/AmazonWebServices/disaster-recovery-options-with-aws

Backup and Restore vs Pilot Light vs Warm Standby vs Multi-site2020-12-29T10:56:27+00:00

AWS, Azure, and GCP Certifications are consistently among the top-paying IT certifications in the world, considering that most companies have now shifted to the cloud. Earn over $150,000 per year with an AWS, Azure, or GCP certification!

Follow us on LinkedIn, Facebook, or join our Slack study group. More importantly, answer as many practice exams as you can to help increase your chances of passing your certification exams on your first try! 

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