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Microsoft Azure Interview Questions
These are the basic terms while dealing with the cloud services and are commonly asked in an Azure interview:
 
PaaS stands for Platform as a Service that enables you to get a platform to deliver without directly giving authorization to the OS software.

SaaS stands for Software as a Service is devoid of platform infrastructure software that can be used without direct purchase.

IaaS stands for Infrastructure as a Service which enables you to get the hardware from the provider as the desired service which can be configured by the user.
Some benefits of Azure are :
 
* Flexibility and agility
* Powerful capabilities with many services like database, HDInsight, CDN, VPN, analytics, media, mobile services, etc.
* Free setup and account creation with limited features
* On-demand scalability
* High security and reliability of data
* Analytics and big data insights
* Hybrid model thus giving best of services
* Azure Diagnostics API helps us collect diagnostic data such as performance monitoring, system event logs, etc from the applications that are running on Azure.

* For the verbose monitoring of the data, Azure Diagnostics has to be enabled for the cloud service roles.

* The diagnostics data can be used for building visual chart representations for better monitoring and also for creating performance metric alerts.
* The Azure Service Level Agreement(SLA) is a contract that ensures or guarantees that when two or more role instances of a role are deployed on Azure, access to that cloud service is guaranteed for at least 99.95% of the time.
 
* It also states that if the role instance process is not in the running state, then the detection of such processes and corrective action for the same will be taken 99.9% of the time.

* If the mentioned guarantees are not satisfied at any point in time, then Azure credits a percentage of monthly fees to us depending on the pricing model of the respective Azure services.
NSG stands for Network Security Group that has a list of ACL (Access Control List) rules which either allows/denies network traffic to subnets or NICs (Network Interface Card) connected to a subnet or both. When NSG is linked with a subnet, then the ACL rules are applied to all the Virtual Machines in that subnet. 
 
Restrictions of traffic to individual NIC can be done by associating NSG directly to that NIC.
Technical problems are called break-fix issue, it is an industry term which refers to “work involved in supporting a technology when it fails in the normal course of its function, which requires intervention by a support organization to be restored to working order”.
Azure Active Directory is an Identity and Access Management system. It is used to grant access to your employees to specific products and services in your network. For example: Salesforce.com, twitter etc. Azure AD has some in-built support for applications in its gallery which can be added directly.
Azure AD has around 2600 pre-integrated applications. All pre-integrated applications support Single Sign-On (SSO). SSO let you use your organizational credentials to access your apps. Some of the applications also support automated provisioning and de-provisioning.

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Azure AD gives you an easy and secure way to connect to the web applications you choose. You can access these applications in the same way you access your SaaS apps in Azure AD, no need for a VPN to change your network infrastructure.
Azure Service Fabric is a distributed systems platform that makes it easy to package, deploy, and manage scalable and reliable micro-services. Service Fabric also addresses the significant challenges in developing and managing cloud applications. Developers and administrators can avoid complex infrastructure problems and focus on implementing mission-critical, demanding workloads that are scalable, reliable, and manageable. Service Fabric represents the next-generation middleware platform for building and managing these enterprise-class, tier-1, cloud-scale applications.