Microsoft Azure Interview Questions and Answers Set 5

41.What is Cmdlet in Azure?

A cmdlet is a lightweight command that is utilized as a part of the Microsoft PowerShell environment. The cmdlets are summoned by the Windows PowerShell to automate the scripts which are in the command line. The Windows PowerShell runtime additionally invokes them automatically through Windows PowerShell APIs.

42. What is the difference between Service Bus Queues and Storage Queues?

The Azure Storage Queue is simple and the developer experience is quite good. It uses the local Azure Storage Emulator and debugging is made quite easy. The tooling for Azure Storage Queues allows you to easily peek at the top 32 messages and if the messages are in XML or Json, you’re able to visualize their contents directly from Visual Studio Furthermore, these queues can be purged of their contents, which is especially useful during development and QA efforts.

The Azure Service Bus Queues are evolved and surrounded by many useful mechanisms that make it enterprise worthy! They are built into the Service Bus and are able to forward messages to other Queues and Topics. They have a built-in dead-letter queue and messages have a time to live that you control, hence messages don’t automatically disappear after 7 days.

Furthermore, Azure Service Bus Queues have the ability of deleting themselves after a configurable amount of idle time. This feature is very practical when you create Queues for each user, because if a user hasn’t interacted with a Queue for the past month, it automatically gets clean it up. Its also a great way to drive costs down. You shouldn’t have to pay for storage that you don’t need. These Queues are limited to a maximum of 80gb. Once you’ve reached this limit your application will start receiving exceptions.

43.What is Windows Azure Scheduler?

Windows Azure Scheduler enable you to invoke activities –, for example, calling HTTP/S endpoints or presenting a message on a storage queue on any schedule. With Scheduler, you make jobs in the cloud that dependably call services both inside and outside of Windows Azure and execute those jobs on demand, on a routinely repeating schedule, or assign them for a future date.

44. What is Azure Redis Cache?

Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker. Azure Redis Cache is based on the popular open-source Redis cache. It gives you access to a secure, dedicated Redis cache, managed by Microsoft, and accessible from any application within Azure. It supports data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs and geospatial indexes with radius queries.

45.How can you create a HDInsight Cluster in Azure?

To make an Azure HDInsight Cluster, open the Azure portal and then click on New, Data Services,then HDInsight.
Hadoop is the default and native execution of Apache Hadoop.
HBase is an Apache open-source NoSQL database based on Hadoop that gives random access and solid consistency for a lot of unstructured data.
Storm is a distributed, fault tolerant, open-source computation system that enables you to process data in real time.

 

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46. Why doesn’t Azure Redis Cache have an MSDN class library reference like some of the other Azure services?

Microsoft Azure Redis Cache is based on the popular open source Redis Cache and can be accessed by a wide variety of Redis clients for many programming languages. Each client has its own API that makes calls to the Redis cache instance using Redis commands.
Because each client is different, there is not one centralized class reference on MSDN, and each client maintains its own reference documentation. In addition to the reference documentation, there are several tutorials showing how to get started with Azure Redis Cache using different languages and cache clients. To access these tutorials, see How to use Azure Redis Cache and click the desired language from the language switcher at the top of the article.

47.What is Text Analytics API in Azure Machine?

Content Analytics API is a part of content examination web administrations worked with Azure Machine Learning. The API can be utilized to analyze unstructured content for tasks, like, sentiment analysis and key phrase extraction.
The API restores a numeric score between 0 and 1. Scores near 1 show positive sentiment, while scores near 0 demonstrate negative sentiment.
The upside of this API is that another new model need not be planned and prepared, the user just needs to bring the data and call the service to get the sentiment results.

48. What are Redis databases?

Redis Databases are just a logical separation of data within the same Redis instance. The cache memory is shared between all the databases and actual memory consumption of a given database depends on the keys/values stored in that database. For example, a C6 cache has 53 GB of memory. You can choose to put all 53 GB into one database or you can split it up between multiple databases.

49.What is Migration Assistant tool in Azure Websites?

Migration Assistant tool will examine your IIS installation and recognize which sites can be migrated to the cloud, featuring any components which can’t be migrated or are unsupported on the platform.
Once broke down this tool will likewise create sites and databases provided under given Azure membership.

50. Is it possible to add an existing VM to an availability set?

No. If you want your VM to be part of an availability set, you need to create the VM within the set. There currently no way to add a VM to an availability set after it has been created.




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