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What is IAM access control who can access (authentication)? and what can they access (authorizat...

Question 41 How should a DevOps engineer configure near-real-time status updates and manual appro...

Infrastructure as Code Same concept as K8S Each resources is tagged, so can be easily tracked in...

SDLC = Software Developer Life Cycle Different tools for AWS CICD AWS CodeCommit (git repo, depr...

Question 1 Topic: Monitoring & Logging Scenario: A company has a mobile application that makes HT...

Q21 A company is tired of maintaining the servers (EC2) that run their build tool (Jenkins). They...

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# to get caller identity: $ aws sts get-caller-identity

Core component of CloudWatch Metrics collects performance data points, like EC2 CPU, or # of re...

upg.bin.enc reference: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_BestPractices....

What is P2P? It's a general term to describe two machine can communicate directly with each other...

Get current logged in user $ aws sts get-caller-identity { "UserId": "AIDA3C6FL2I6WTCTDQ5V7",...

Print dependencies tree flutter pub deps -s tree How to get virtual device storage on host machi...

Kafka Fail Reason 1: Lack of Expertise and Resources scaling and implementing Kafka solutions re...

Don't use business related field as primary key business related fields examples: individual tax...

What is it? a convenience wrapper around Lucene to allow for fast searching in a distributed sys...

B-Tree Index Pros: fast read, fast range query no limit on number of keys Cons: slow writes ...

Sync vs Async replication sync ensures strong consistency, but slower writes async ensures faste...

SQL Databases relational normalized data (minimum duplicate data) Uses B Tree or B+ Tree inde...