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Azure Blob Storage is an essential service provided by Azure that allows for the storage of large amounts of unstructured data, such as text or binary data. Azure Blob Storage is designed to serve numerous use-cases such as serving images or documents directly to a browser, storing files for distributed access, streaming video and audio, storing data for backup and restore, disaster recovery, and archiving.
Storage Account: Before you can use Blob Storage, you need to create an Azure Storage account, which provides a unique namespace for your Azure Storage data.
Container: A container provides a grouping of a set of blobs. All blobs must be in a container.
Blob: A file of any type and size. There are three types of blobs: block blobs, append blobs, and page blobs (disks).
After setting up a storage account, the next step is to create a container within the Blob Service.
To access blobs in Azure Blob Storage, you can use Azure Portal, Azure Storage Explorer, Azure PowerShell, the Azure CLI, or one of the Azure Storage client libraries.
az storage blob list –container-name <container-name> –account-name <storage-account-name> –output table
This command will display a table showing the blobs present in the specified container.
You can enable monitoring and diagnostics to track the performance and health of your Blob Storage. Blob storage analytics data can be viewed in:
For managing access to your blobs and containers, Azure provides several features such as:
Remember to always follow the principle of least privilege when configuring access to your storage resources to ensure greater security.
Following these steps, you can effectively configure Azure Blob Storage for use with various applications and services. This process will enable you to leverage the high availability, security, and scalability that Azure offers, while also preparing for tasks that might be seen on the AZ-104 Microsoft Azure Administrator exam. Managing Azure Blob Storage effectively is crucial for Azure Administrators looking to ensure their storage solutions are optimized and cost-effective.
Explanation: Azure Blob Storage can be accessed from anywhere over the internet unless the access is restricted by network rules or policies.
Answer: A, B, D
Explanation: Azure Blob Storage supports three types of blobs: block blobs, append blobs, and page blobs. File blobs don’t exist; instead, Azure offers a separate service called Azure Files.
Explanation: Azure Blob Storage supports immutable policies where you can set time-based or legal hold policies to ensure that data cannot be modified or deleted once it’s stored.
Answer: D
Explanation: RA-GRS stands for Read Access – Geo-Redundant Storage and it provides both geographic redundancy and read access to the data in the secondary location.
Explanation: Azure Blob Storage can be integrated with Azure Functions using event triggers, allowing for serverless architectures that respond to blob storage events.
Answer: B
Explanation: The maximum size for a single block blob in Azure Blob Storage is currently 7 TB.
Explanation: Azure Blob Storage offers the hot access tier for frequently accessed data and the cool access tier for less frequently accessed data.
Answer: B
Explanation: Zone-redundant storage (ZRS) replicates your data across Availability Zones in the same region, ensuring the availability of your information even if one zone goes down.
Explanation: The access tier of a blob in Azure Blob Storage can be changed based on changing needs for data usage and storage costs.
Answer: B
Explanation: While all options may influence cost, the primary factor is the size of the data stored as it directly affects the storage space used.
Explanation: Lifecycle management policies in Azure Blob Storage can automate the transition of blobs to cooler tiers or delete them altogether based on defined rules and the age of the data.
Answer: B
Explanation: AzCopy is a command-line tool specifically designed for high-performance copying of data to and from Azure Blob Storage.
Azure Blob Storage is a service for storing large amounts of unstructured data, such as text or binary data, as objects or blobs.
There are three types of blobs that can be stored in Azure Blob Storage block blobs, append blobs, and page blobs.
You can create a storage account in Azure Blob Storage by using the Azure portal, Azure PowerShell, Azure CLI, or Azure Resource Manager templates.
The maximum size of a single block blob in Azure Blob Storage is 5 terabytes.
You can upload a file to a blob container in Azure Blob Storage by using the Azure portal, Azure PowerShell, Azure CLI, or the Azure Storage Explorer tool.
A blob container is a logical container for a group of blobs in Azure Blob Storage. It acts as a namespace for the blobs within it.
You can manage access to a blob container in Azure Blob Storage by using shared access signatures, stored access policies, or role-based access control.
A shared access signature is a URI that grants restricted access to a resource in Azure Blob Storage. It can be used to grant access to a blob or a blob container for a specific time period.
You can generate a shared access signature for a blob or a blob container in Azure Blob Storage by using the Azure portal, Azure PowerShell, Azure CLI, or the Azure Storage Explorer tool.
A stored access policy is a set of permissions that can be used to grant access to a blob or a blob container in Azure Blob Storage. It can be associated with a shared access signature to simplify access management.
You can create a stored access policy for a blob container in Azure Blob Storage by using the Azure portal, Azure PowerShell, or Azure CLI.
Azure Storage Explorer is a tool that allows you to manage Azure Blob Storage, Azure File Storage, and Azure Queue Storage from Windows, macOS, or Linux.
Azure Storage Explorer can be downloaded from the Microsoft Download Center or from the GitHub repository.
Azure Blob Storage lifecycle management is a feature that allows you to automatically move or delete blobs based on their age or access tier.
You can configure Azure Blob Storage lifecycle management by using the Azure portal, Azure PowerShell, or Azure CLI.
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