Practice Test
True/False: Once an Event Hubs Namespace is created, you will not be able to modify it.
- True
- False
Answer: False.
Explanation: The namespaces of the Azure Event Hubs can be modified even after they are created. You can add, remove or modify entities.
Which of the following should be updated to scale Event Hubs resource providers?
- a) Throughput units
- b) Sony units
- c) Microsoft units
- d) Capacity units
Answer: a) Throughput units
Explanation: The throughput units are used to scale Event Hubs resource providers. They specify the number of events that can be handled per second.
True/False: “Message Retention” can be updated in an Event Hubs resource provider.
- True
- False
Answer: True.
Explanation: “Message Retention” is one of the properties that can be updated in an Event Hubs resource provider. This sets the period during which events are available to be retrieved from the Event Hub.
What is the subscription limit per Azure Stack Hub for an Event Hubs resource provider?
- a) 5 subscriptions
- b) 10 subscriptions
- c) No limit
- d) 20 subscriptions
Answer: c) No limit
Explanation: Azure Stack Hub doesn’t impose any limit on how many subscriptions there can be per Event Hubs resource provider.
Which of the following is NOT a way to scale an Event Hubs resource?
- a) Increase throughput units.
- b) Increase number of partitions.
- c) Decrease number of namespaces.
- d) Increase message retention period.
Answer: c) Decrease number of namespaces.
Explanation: The number of namespaces does not directly affect the scaling of an Event Hubs resource.
True/False: An Event Hubs resource cannot be moved from one namespace to another.
- True
- False
Answer: True.
Explanation: Currently, an Event Hubs resource cannot be moved from one namespace to another. You would have to re-create the resource in the new namespace.
After updating an Event Hubs resource provider, it is always necessary to ____
- a) Shut down the system.
- b) Restart the system.
- c) Set it to idle mode.
- d) None of the above.
Answer: d) None of the above.
Explanation: After updating an Event Hubs resource provider, you do not need to reboot the system or set it to idle mode. The updates are applied instantly.
Do Microsoft provide an API for updating an Azure Event Hubs resource provider?
- a) Yes
- b) No
Answer: a) Yes
Explanation: Microsoft does provide an API known as the REST API, through which you can update an Azure Event Hubs resource provider.
True/False: The Azure Event Hubs resource provider supports geo-redundancy.
- True
- False
Answer: True.
Explanation: Azure Event Hubs resource provider does support geo-redundancy which gives the ability to fail over to another region in event of a disaster.
To enable “Archive” on an Event Hubs Namespace, what additional Azure resource is needed?
- a) Azure Storage Account
- b) Azure SQL Server
- c) Azure Analytics Account
- d) Azure Web Service
Answer: a) Azure Storage Account
Explanation: To enable “Archive”, an Azure Storage Account is required because archived messages are stored in an Azure Blob Storage account.
Interview Questions
What is an Event Hubs resource provider?
An Event Hubs resource provider offers a service that enables large scale, telemetry, and event stream ingestion and event-driven processing. It can receive and process millions of events per second, which makes it a service suitable for an IoT-related processing and big data pipelines.
What is required to register an Azure Stack Hub resource provider?
To register an Azure Stack Hub resource provider, it is essential that you have an Azure Stack operator with appropriate permissions and privileges. You also need a subscription ID, an available resource group for installation, and network configurations ready.
How can you confirm that your Event Hubs resource provider was updated correctly?
You can confirm that your Event Hubs resource provider was updated correctly by checking the version number in the Azure Stack operator portal. You can also verify by examining the functionality of the Event Hubs.
What is the primary purpose of updating an Event Hubs resource provider?
The primary purpose of updating an Event Hubs resource provider is to add new features, security updates, or bug fixes that have been released by Microsoft. This ensures that the provider is always up-to-date and compliant with best practices.
Which are some of the scenarios that the Event Hubs resource provider is suitable for?
Some suitable scenarios for the Event Hubs resource provider include data ingestion for big data analytics, real-time analytics, internet of things scenarios, application logging and diagnostics, machine learning, and live dashboarding.
What is one way to manage Event Hubs namespaces for an Azure Stack?
One way to manage Event Hubs namespaces for an Azure Stack is by using Azure Resource Manager templates. This provides an automated way to manage resources.
How can you provision a new Event Hubs namespace in Azure Stack Hub?
You can provision a new Event Hubs namespace in Azure Stack Hub by using either the Azure Stack Hub user portal or through Azure Resource Manager templates.
What may indicate a failed update of an Event Hubs resource provider?
Indicators of a failed update of an Event Hubs resource provider could include errors during the update process or after it, inconsistencies in version numbers, or any malfunction in the operations of the Event Hubs.
Can you scale an Event Hubs resource provider in Azure Stack Hub?
Yes, you can scale an Event Hubs resource provider in Azure Stack Hub. You can scale it to meet the needs of your workloads.
Can the Event Hubs resource provider be updated using Azure PowerShell?
Yes, the Event Hubs resource provider can be updated using Azure PowerShell. This can be done by running specific cmdlets that perform the update operation.
What is the purpose of the “Check for updates” feature in the Azure Stack operator portal?
The primary purpose of the “Check for updates” feature in the Azure Stack operator portal is to let Azure Stack operators discover if new updates are available for the system and for resource providers like Event Hubs.
Why is it necessary to check resource dependencies before updating an Event Hubs resource provider?
It is essential to check resource dependencies because an update can affect dependent services or applications. By identifying these dependencies, an operator can ensure a smooth transition and reduce the risk of disruption.
How does Azure ensure data is not lost during an update of an Event Hubs resource provider?
Azure ensures data is not lost during an update by using redundant storage. Data is replicated and stored in more than one location to ensure its safety in case of any adverse events during the update process.
What are some common troubleshooting steps if an Event Hubs resource provider update fails in Azure Stack Hub?
Some common troubleshooting steps include checking the detailed error messages, looking into resource dependencies, debugging the update process via logs, and seeking assistance from Microsoft support if necessary.
Before updating an Event Hubs resource provider, what should be done with the existing events in the Event Hubs?
Before updating your Event Hubs resource provider, it’s recommended to have all your events processed or moved to a secure location to prevent data loss. Azure provides options for redundant storage and backup to help ensure data safety.
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