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Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DB
Course Description
Overview
This exam measures your ability to accomplish the following technical tasks: design and implement data models; design and implement data distribution; integrate an Azure Cosmos DB solution; optimize an Azure Cosmos DB solution; and maintain an Azure Cosmos DB solution.Passing score: 700
Objectives
Prerequisites
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As an exam candidate, you must have solid knowledge and experience developing apps for Azure and working with Azure Cosmos DB database technologies. You should be proficient at developing applications by using the Core (SQL) API and SDKs, writing efficient queries and creating appropriate index policies, provisioning and managing resources in Azure, and creating server-side objects with JavaScript. You should also be able to interpret JSON, read C# or Java code, and use PowerShell.
Topics
- Develop a design by storing multiple entity types in the same container
- Develop a design by storing multiple related entities in the same document
- Develop a model that denormalizes data across documents
- Develop a design by referencing between documents
- Identify primary and unique keys
- Identify data and associated access patterns
- Specify a default TTL on a container for a transactional store
- Choose a partitioning strategy based on a specific workload
- Choose a partition key
- Plan for transactions when choosing a partition key
- Evaluate the cost of using a cross-partition query
- Calculate and evaluate data distribution based on partition key selection
- Calculate and evaluate throughput distribution based on partition key selection
- Construct and implement a synthetic partition key
- Design partitioning for workloads that require multiple partition keys
- Evaluate the throughput and data storage requirements for a specific workload
- Choose between serverless and provisioned models
- Choose when to use database-level provisioned throughput
- Design for granular scale units and resource governance
- Evaluate the cost of the global distribution of data
- Configure throughput for Azure Cosmos DB by using the Azure portal
- Choose a connectivity mode (gateway versus direct)
- Implement a connectivity mode
- Create a connection to a database
- Enable offline development by using the Azure Cosmos DB emulator
- Handle connection errors
- Implement a singleton for the client
- Specify a region for global distribution
- Configure client-side threading and parallelism options
- Enable SDK logging
- Implement queries that use arrays, nested objects, aggregation, and ordering
- Implement a correlated subquery
- Implement queries that use array and type-checking functions
- Implement queries that use mathematical, string, and date functions
- Implement queries based on variable data
- Choose when to use a point operation versus a query operation
- Implement a point operation that creates, updates, and deletes documents
- Implement an update by using a patch operation
- Manage multi-document transactions using SDK Transactional Batch
- Perform a multi-document load using Bulk Support in the SDK
- Implement optimistic concurrency control using ETags
- Implement session consistency by using session tokens
- Implement a query operation that includes pagination
- Implement a query operation by using a continuation token
- Handle transient errors and 429s
- Specify TTL for a document
- Retrieve and use query metrics
- Write, deploy, and call a stored procedure
- Design stored procedures to work with multiple items transactionally
- Implement and call triggers
- Implement a user-defined function
- Choose when to distribute data
- Define automatic failover policies for regional failure for Azure Cosmos DB Core API
- Perform manual failovers to move single master write regions
- Choose a consistency model
- Identify use cases for different consistency models
- Evaluate the impact of consistency model choices on availability and associated RU cost
- Evaluate the impact of consistency model choices on performance and latency
- Specify application connections to replicated data
- Choose when to use multi-region write
- Implement multi-region write
- Implement a custom conflict resolution policy for Azure Cosmos DB Core API
- Enable Azure Synapse Link
- Choose between Azure Synapse Link and Spark Connector
- Enable the analytical store on a container
- Enable a connection to an analytical store and query from Azure Synapse Spark or Azure
- Perform a query against the transactional store from Spark
- Write data back to the transactional store from Spark
- Integrate events with other applications by using Azure Functions and Azure Event Hubs
- Denormalize data by using Change Feed and Azure Functions
- Enforce referential integrity by using Change Feed and Azure Functions
- Aggregate data by using Change Feed and Azure Functions, including reporting
- Archive data by using Change Feed and Azure Functions
- Implement Azure Cognitive Search for an Azure Cosmos DB solution
- Adjust indexes on the database
- Calculate the cost of the query
- Retrieve request unit cost of a point operation or query
- Implement Azure Cosmos DB integrated cache
- Develop an Azure Functions trigger to process a change feed
- Consume a change feed from within an application by using the SDK
- Manage the number of change feed instances by using the change feed estimator
- Implement denormalization by using a change feed
- Implement referential enforcement by using a change feed
- Implement aggregation persistence by using a change feed
- Implement data archiving by using a change feed
- Choose when to use a read-heavy versus write-heavy index strategy
- Choose an appropriate index type
- Configure a custom indexing policy by using the Azure portal
- Implement a composite index
- Optimize index performance
- Evaluate response status code and failure metrics
- Monitor metrics for normalized throughput usage by using Azure Monitor
- Monitor server-side latency metrics by using Azure Monitor
- Monitor data replication in relation to latency and availability
- Configure Azure Monitor alerts for Azure Cosmos DB
- Implement and query Azure Cosmos DB logs
- Monitor throughput across partitions
- Monitor distribution of data across partitions
- Monitor security by using logging and auditing
- Choose between periodic and continuous backup
- Configure periodic backup
- Configure continuous backup and recovery
- Locate a recovery point for a point-in-time recovery
- Recover a database or container from a recovery point
- Choose between service-managed and customer-managed encryption keys
- Configure network-level access control for Azure Cosmos DB
- Configure data encryption for Azure Cosmos DB
- Manage control plane access to Azure Cosmos DB by using Azure role-based access control
- Manage data plane access to Azure Cosmos DB by using keys
- Manage data plane access to Azure Cosmos DB by using Azure Active Directory
- Configure Cross-Origin Resource Sharing (CORS) settings
- Manage account keys by using Azure Key Vault
- Implement customer-managed keys for encryption
- Implement Always Encrypted
- Choose a data movement strategy
- Move data by using client SDK bulk operations
- Move data by using Azure Data Factory and Azure Synapse pipelines
- Move data by using a Kafka connector
- Move data by using Azure Stream Analytics
- Move data by using the Azure Cosmos DB Spark Connector
- Choose when to use declarative versus imperative operations
- Provision and manage Azure Cosmos DB resources by using Azure Resource Manager templates
- Migrate between standard and autoscale throughput by using PowerShell or Azure CLI
- Initiate a regional failover by using PowerShell or Azure CLI
- Maintain index policies in production by using ARM templates
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