The right answer was C. Cross-platform binaries are created when you publish your app as framework-dependent, in the form of a dll file.  
 Read more here - **[.NET application publishing overview](https://learn.microsoft.com/en-us/dotnet/core/deploying/)**

Self-contained published apps can run even on machines without .NET

Framework-dependent published apps need .NET runtime installed.

Framework-dependent DLLs depend on the platform

Executables aren't cross-platform, they're specific to an operating system and CPU architecture.

Which of the following is false about .NET application publishing?

The right answer was C. Events are typically public members however they can be invoked by only the containing class. Other classes can only add or remove event listeners. 
 Read more here - **[Distinguishing Delegates and Events](https://learn.microsoft.com/en-us/dotnet/csharp/distinguish-delegates-events?source=recommendations)**

They both support single and multiple subscriber methods.

Events are typically private class members

Delegates, used for events, have a void return type.

Which of the following is false about Delegates and Events in C#?

The right answer was B. Dictionary<TKey,TValue> is generic version of HashTable. BTW, HasTable is not recommended for new development.
 Read more here - **[Generic collections in .NET](https://learn.microsoft.com/en-us/dotnet/standard/generics/collections)** 
 
 **[Non-generic collections shouldn't be used](https://github.com/dotnet/platform-compat/blob/master/docs/DE0006.md)**

All .NET collections are based on either the ICollection or ICollection<T> interfaces

Dictionary<TKey,TValue> is a generic version of List<T>

List<T> is a generic version of ArrayList.

The LinkedList<T> generic class is a true linked list. It has no nongeneric counterpart.

Which of the following is false about generic collections in .NET?

The right answer was C. If the HasValue property is false, the value of the object is undefined and an attempt to access the Value property throws an InvalidOperationException.
 Read more here - **[Nullable value types](https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/builtin-types/nullable-value-types)**

Nullable<T>.HasValue indicates whether an instance of a nullable value type has a value of its underlying type

Any nullable value type is an instance of the generic Nullable<T> structure

If the HasValue property is false, Value propetry will return false too

Which of the following is false about Nullable values in .NET?

The right answer was B. Azure regions are designed to offer protection against localized disasters with availability zones and protection from regional or large geography disasters with disaster recovery, by making use of another region.
 Read more here - **[What are Azure regions and availability zones?](https://learn.microsoft.com/en-us/azure/reliability/availability-zones-overview#regions)**

One of your client is asking you to make sure that their azure resources have a plan for disaster recovery against large geography disasters. Which of the following azure aspect can be used to serve the requirement:

The right answer was B. Although Azure load balancer is Layer 4 service and hence supports TCP / UDP protocols, but SSL termination is not supported - You need a layer 7 service like Application Gateway for that.
 Read more here - **[Azure load balancing options](https://learn.microsoft.com/en-us/azure/architecture/guide/technology-choices/load-balancing-overview)**

Application Gateway can be used when we need to load balance at the application layer.

Azure Load Balancer is Layer 4 service and support TCP / UDP and SSL termination.

Azure Traffic Manager is a DNS-based traffic load balancer.

Azure Front Door is basically a Content Delivery Network (CDN) service.

Which of the following is false about Azure based load-balancing solutions?

The right answer was C. Logic app has many built-in as well as managed connectors which can be used in on-premise and external service integrations with less overhead. Read more here - **[What is Azure Logic Apps?](https://learn.microsoft.com/en-us/azure/logic-apps/logic-apps-overview)**

You are developing an azure based application that needs many integration with on-premises as well as external services. What is the best / easiest serverless option for this project?

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