Microsoft Azure Interview Questions and Answers Set 1

1.What is cloud computing?

It is the use of servers on the internet to “store”, “manage” and “process” data. The difference is, instead of using your own servers, you are using someone else’s servers to do your task, paying them for the amount of time you use it for.

2.What is Azure Cloud Service?

Cloud service can convey a multiple web application in Azure, characterizing a number of parts to disseminate handling and permit adaptable scaling of your application. A cloud service comprises of a minimum of one web pars as well as specialist parts, each with its own particular application documents and design.The fundamental favourable position of cloud service is the capacity to help more complex multi-level structures.

3.What are the different cloud deployment models?

Following are the three cloud deployment models:

Public Cloud: The infrastructure is owned by your cloud provider and the server that you are using could be a multi-tenant system.
Private Cloud: The infrastructure is owned by you or your cloud provider gives you that service exclusively. For eg: Hosting your website on your servers, or hosting your website with the cloud provider on a dedicated server.
Hybrid Cloud: When you use both Public Cloud, Private Cloud together, it is called Hybrid Cloud. For Example: Using your in-house servers for confidential data, and the public cloud for hosting your company’s public facing website. This type of setup would be a hybrid cloud.

4.What are the three principle segments of Windows Azure Platform?

Windows Azure has three principle segments in Azure: Compute,Storage and Fabric.

A. Windows Azure Compute

• Windows Azure gives a code that can be managed by the hosting environment. It gives calculation benefit through parts. Windows Azure backs 3 types of roles:
• Web roles utilized for web application programming and upheld by IIS7.
• Worker roles utilized for foundation handling of web roles.
• Virtual Machine (VM) roles utilized for moving windows server applications to Windows Azure in a simple way.

B. Windows Azure Storage

• It gives 4 types of storage services:
• Queues for informing between web parts and worker roles.
• Tables for storing structural data.
• BLOBs (Binary Large Objects) to store content, records or vast information.
• Windows Azure Drives (VHD) to mount a page blob. These can be transferred and downloaded by means of blobs.

C. Windows Azure AppFabric provides 5 services:

• Service bus
• Access
• Caching
• Integration
• Composite

5.I have some private servers on my premises, also I have distributed some of my workload on the public cloud, what is this architecture called?

This type of architecture would be a hybrid cloud. Why? Because we are using both, the public cloud, and on premises servers i.e the private cloud. To make this hybrid architecture easy to use, wouldn’t it be better if your private and public cloud were all on the same network (virtually). This is established by including your public cloud servers in a virtual private cloud, and connecting virtual cloud with your on premise servers using a VPN (Virtual Private Network).

6.What is the distinction between Windows Azure Queues and Windows Azure Service Bus Queues?

Azure Queues gives a solid, diligent messaging between and within the services. it also highlights a very straight forward rest- based get/put/peek interface
Bus Queues are a part of a more extensive Windows Azure messaging framework that supports queuing.

7.What is Microsoft Azure and why is it used?

As discussed above, the companies which provide the cloud service are called the Cloud Providers. There are a lot of cloud providers out there, out of them one is Microsoft Azure. It is used for accessing Microsoft’s infrastructure for the cloud.

8.What is table storage in Windows Azure?

The Windows Azure Table storage service stores a lot of organized information. Windows Azure tables are perfect for putting away organized, non-relational data

Table: A table is a collection of entities.Tables don’t uphold a blueprint on elements, which implies a solitary
table can contain substances that have distinctive arrangements of properties. A record can contain numerous tables
Entity: An entity is an arrangement of properties, like a database row. An entity can be upto 1MB in size.
Properties: A property is a name-value pair. Every entity can incorporate up to 252 properties to store data. Every entity likewise has 3 system properties that determine a segment key, a row key, and a timestamp.

9. Which service in Azure is used to manage resources in Azure?

Azure Resource Manager is used to “manage” infrastructures which involve a no. of azure services. It can be used to deploy, manage and delete all the resources together using a simple JSON script.

10.Which of the following web applications can be deployed with Azure?

Microsoft also has released SDKs for both Java and Ruby to allow applications written in those languages to place calls to the Azure Service Platform API to the AppFabric Service.

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