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Amazon DocumentDB

2025-12-31T05:10:56+00:00

Bookmarks How it Works Use Cases Performance Scaling Reliability Backup and Restore Security Pricing Limitations Amazon DocumentDB Cheat Sheet Fully managed document database service designed to be fast, scalable, and highly available. Data is stored in JSON-like documents. Compatible with MongoDB. Flexible schema and indexing. Commonly used for content management, user profiles, and real-time big data. How it Works An Amazon DocumentDB cluster decouples storage and compute. A cluster consists of Cluster volume and Instances Cluster volume refers to the storage layer that spans multiple Availability Zones. Each [...]

Amazon DocumentDB2025-12-31T05:10:56+00:00

Azure Policy

2026-02-05T10:47:06+00:00

Azure Policy Cheat Sheet Ensure resources are compliant with a set of rules. Manage your policies in a centralized location where you can track their compliance status and verify the non-compliant resources. Select between built-in policies and custom policies. Implement proper guardrails and assess compliance across the organization You can use Azure Policy to enforce cost control and optimization by configuring Azure Advisor recommendations. Policy vs. RBAC A policy maintains compliance with the resource state, while RBAC focuses on controlling user actions at different scopes. Even if the user has access to perform an action, if the result is a [...]

Azure Policy2026-02-05T10:47:06+00:00

Azure DNS

2025-12-24T07:43:48+00:00

Bookmarks Private DNS Security Pricing Validate Your Knowledge Azure DNS Cheat Sheet Enables you to host your DNS zone and manage your DNS records. DNS zone allows you to configure a private and public DNS zone. Alias recordsets: A - maps the host to IPv4. AAAA - maps the host to IPv6. CNAME - create a record to point to another domain. A limit of 20 alias record sets per resource. Uses Anycast networking to route users to the closest name servers. You can monitor your DNS zone metrics using Azure Monitor. QueryVolume [...]

Azure DNS2025-12-24T07:43:48+00:00

Azure Cosmos DB

2025-12-15T09:27:08+00:00

Bookmarks Features Consistency Levels Security Pricing Azure SQL Database vs Cosmos DB Validate Your Knowledge Azure Cosmos DB Cheat Sheet Globally distributed database that supports NoSQL. A fully-managed database service with turnkey global distribution and transparent multi-master replication. Features Cosmos DB offers encryption at rest. It replicates every partition across all the regions. CosmosDB offers single-digit millisecond reads and writes in all regions. Supports automatic failover during a regional outage. Consistency Levels: Strong, Bounded Staleness, Session, Consistent Prefix, and Eventual You can set either standard (manual) or autoscale provisioned throughput on your databases and [...]

Azure Cosmos DB2025-12-15T09:27:08+00:00

Azure Pricing

2023-07-03T05:35:24+00:00

Azure Pricing Cheat Sheet Azure offers pay-as-you-go and reserved instances for pricing. Azure Pricing Factors: Resource size and resource type. Different Azure locations have different prices for services. The bandwidth of your services. Any data transfer between two different billing zones is charged. Ingress (data in) = free Egress (data out) = charged based on data going out of Azure datacenters Factors that can reduce costs: By purchasing a reserved instance (one-year or three-year terms), you can significantly reduce costs up to 72 percent compared to pay-as-you-go pricing. A reserved capacity is a commitment for a period of one or [...]

Azure Pricing2023-07-03T05:35:24+00:00

Azure DevOps

2026-02-13T08:13:13+00:00

Azure DevOps Cheat Sheet A service that offers a set of tools for planning, building, and deploying applications. Features Azure Boards It allows you to track features, user stories, tasks, and bugs associated with your project. You can also customize your dashboards and track progress easily during your project lifecycle. Azure Pipelines A CI/CD service that helps you build and test your code automatically. Enables you to deploy your codes to multiple targets at the same time. Run in parallel on Linux, macOS, and Windows. Deploy to any cloud (Azure, AWS, Google Cloud) or on-premises. Deployment gates and release approvals. [...]

Azure DevOps2026-02-13T08:13:13+00:00

Azure Serverless

2026-02-19T11:49:09+00:00

Azure Serverless Cheat Sheet Enables you to build applications without managing infrastructure. Azure Functions Enables you to run a small piece of code to do a task. A single task is performed for each invocation. Supported languages: C#, Java, JavaScript, Python, and PowerShell Isolated worker process model for .NET: run functions on .NET 5.0 and later with more control and fewer dependency conflicts. Flexible hosting options: Consumption (serverless, pay-per-execution), Premium (always warm), Dedicated (App Service plan), and container deployments (including Azure Container Apps and Kubernetes with KEDA). Durable Functions: write stateful, event-driven workflows as code. Integrated monitoring with Azure Application [...]

Azure Serverless2026-02-19T11:49:09+00:00

Azure Machine Learning

2026-02-15T03:55:17+00:00

Azure Machine Learning Cheat Sheet A service to train, deploy, automate, manage, and track machine learning models. There is no additional charge for Azure Machine Learning; you pay only for underlying compute, storage, and other consumed Azure services. You can use Azure ML SDK for Python, Azure ML Studio, and ML CLI to manage your deployed models. You can automate and accelerate the ML lifecycle using MLOps. Azure ML designer allows you to visually connect (drag-and-drop) datasets and modules without writing any code. ML pipelines provide a complete logical workflow and an ordered sequence of steps. AutoML uses the target [...]

Azure Machine Learning2026-02-15T03:55:17+00:00

Azure Big Data

2026-02-13T06:40:47+00:00

Azure Big Data Cheat Sheet A service to store and process large amounts of data sets. Create big data clusters for Hadoop, Spark, and Kafka with Azure HDInsight. Reduce costs by scaling your workloads up and down. Monitor all your clusters with Azure Monitor. Autoscaling adjusts cluster size based on workload demands. Deploy clusters within a virtual network for enhanced security. Monitor cluster health using Apache Ambari. Interactive Query (LLAP) for low-latency SQL on large datasets. Azure Databricks is based on Apache Spark capabilities that provide an interactive workspace and streamlined workflows. Enables you to read data from multiple sources [...]

Azure Big Data2026-02-13T06:40:47+00:00

Azure Internet of Things (IoT)

2026-02-13T08:51:03+00:00

Bookmarks Azure IoT Hub Azure IoT Central Azure Sphere Azure IoT Products Validate Your Knowledge Azure IoT Cheat Sheet A service that allows you to connect, monitor, and control one or more IoT devices that can communicate with back-end services hosted in the cloud. Azure IoT Hub A PaaS solution that provides complete control over the collection and processing of IoT data. To create a complete end-to-end solution, you can integrate the IoT Hub with other Azure services. Azure Event Grid Azure Logic Apps Azure Machine Learning Azure Stream Analytics  Message routing [...]

Azure Internet of Things (IoT)2026-02-13T08:51:03+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. Upskill and 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!