09: Azure Event Hubs

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What does Azure Event Hubs represent in an event pipeline?

Front door or event ingestor (correct)

Backend data storage

Event stream processor

Real-time analytics engine

What is the purpose of an event ingestor in solution architectures?

Decouple the production of an event stream from the consumption of those events (correct)

Optimize event stream processing speed

Ensure data consistency in event streams

Provide real-time event visualization

What key feature does Event Hubs provide in terms of event producers and consumers?

Decoupling event producers from event consumers (correct)

Real-time event aggregation

Event stream compression

Event stream encryption

What type of service is Azure Event Hubs?

Platform as a Service (PaaS) with little configuration or management overhead Signup and view all the answers

What does Event Hubs for Apache Kafka ecosystems provide?

PaaS Kafka experience without managing clusters Signup and view all the answers

How does Event Hubs enable multiple applications to process the stream concurrently?

Through a partitioned consumer model Signup and view all the answers

What does Event Hubs offer for scaling options?

Auto-inflate to scale the number of throughput units Signup and view all the answers

What is the purpose of a consumer group in Azure Event Hubs?

To enable multiple consuming applications to have a separate view of the event stream and read the stream independently Signup and view all the answers

What is the role of an Event Hubs producer?

To serve as a source of telemetry data, diagnostics information, usage logs, or other log data Signup and view all the answers

What is the function of partitions in Azure Event Hubs?

To organize data associated with the parallelism required by event consumers Signup and view all the answers

How do consumer groups and partitions relate to event processing in Azure Event Hubs?

Consumer groups enable multiple consuming applications to have a separate view of the event stream, while partitions organize data for parallelism Signup and view all the answers

How are events delivered to Event Hubs consumers?

Through a session as they become available via the AMQP 1.0 protocol Signup and view all the answers

What is the recommended number of active consumers for a given partition and consumer group pairing in Azure Event Hubs?

One active consumer Signup and view all the answers

What is the role of throughput units in Azure Event Hubs?

Prepurchased units of capacity that control the throughput capacity of Event Hubs Signup and view all the answers

How does Azure Event Hubs provide message streaming to consumers?

Through a partitioned consumer pattern in which each consumer only reads a specific subset, or partition, of the message stream Signup and view all the answers

What is the recommended approach to scale an event processing application in Azure?

Run multiple instances of the application and have it balance the load among themselves Signup and view all the answers

In the newer versions (5.0 onwards) of Azure Event Hubs, which component allows you to balance the load between multiple instances of your program?

EventProcessorClient (.NET and Java) Signup and view all the answers

When designing the consumer in a distributed environment, what functionality does the Azure Event Hubs SDKs provide?

Event processor or consumer client Signup and view all the answers

What is the recommended client for reading and processing events in most production scenarios in Azure Event Hubs?

EventProcessorClient Signup and view all the answers

How is partition ownership distributed among active event processor instances in Azure Event Hubs?

Evenly distributed Signup and view all the answers

What is the purpose of checkpointing in Azure Event Hubs?

Mark or commit the position of the last successfully processed event within a partition Signup and view all the answers

How does Azure Event Hubs provide resiliency when an event processor goes down?

By using checkpointing to specify the location at which to start reading Signup and view all the answers

What is the default behavior for processing events from different partitions in Azure Event Hubs?

Sequentially Signup and view all the answers

What is the responsibility of the consumer when processing events in Azure Event Hubs?

Handle each event Signup and view all the answers

What is the purpose of using two consumer groups and event processors in Azure Event Hubs?

To handle different types of processing tasks Signup and view all the answers

What is the role of event processor instances in Azure Event Hubs?

Own and process events from one or more partitions Signup and view all the answers

How does Azure Event Hubs handle thread safety when processing events from different partitions?

Sequentially for a given partition and concurrently for different partitions Signup and view all the answers

What is the purpose of synchronization when accessing shared state across partitions in Azure Event Hubs?

To avoid data conflicts Signup and view all the answers

What is the responsibility of the event processor when an event pump is running in Azure Event Hubs?

Queue up subsequent events and process them sequentially Signup and view all the answers

What is the recommended approach for handling poisoned messages in Azure Event Hubs?

Do things relatively fast and as little processing as possible Signup and view all the answers

What type of access control do publishers enable in Azure Event Hubs?

Fine-grained access control Signup and view all the answers

How are Event Hubs clients authenticated for sending messages to publishers?

Assigned unique tokens uploaded to the client Signup and view all the answers

What authentication methods does Azure Event Hubs support?

Microsoft Entra ID and shared access signatures (SAS) Signup and view all the answers

What prevents clients from manufacturing tokens in Azure Event Hubs?

Clients aren't aware of the key Signup and view all the answers

How can a request to Event Hubs service from a managed identity be authorized?

By configuring Azure role-based access control settings for the managed identity Signup and view all the answers

What type of access rights are required for back-end applications to consume data from Event Hubs producers?

Manage rights or listen privileges Signup and view all the answers

What is a key advantage of using Microsoft Entra ID with Event Hubs?

Credentials no longer need to be stored in the code Signup and view all the answers

What is the role of an event publisher in Azure Event Hubs?

Define a virtual endpoint for an Event Hub and send messages Signup and view all the answers