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Q11. - (Topic 2) 

The QueueDetail entity type must inherit from the InboundQueue entity type in the ExternalQueue service project using table-per-type inheritance. 

You need to modify the entities in the designer. 

What should you do? (Each correct answer presents part of the solution. Choose all that apply.) 

A. Remove the OrderNum property in InboundQueue. 

B. Remove the OrderNum property in QueueDetail. 

C. Set the QueueDetail BaseType to InboundQueue. 

D. Remove the association between the entities. 

E. Right-click the entities and validate the table mapping. 

F. Set the InboundQueue BaseType to QueueDetail. 

Answer: B,C,D,E 

Explanation: http://www.robbagby.com/entity-framework/entity-framework-modeling-table-per-type-inheritance/ 

Q12. - (Topic 4) 

You are developing a WCF service. 

A new service instance must be created for each client request. 

You need to choose an instancing mode. 

Which instancing mode should you use? 

A. Single 

B. PerRequest 

C. PerCall 

D. Multiple 

E. PerSession 

Answer: C 

Q13. - (Topic 4) 

You are developing an ASP.NET MVC web application that contains the following HTML. 

<table id= “customer” ></table> 

You also have an ASP.NET Web API application that contains a call for retrieving customers. 

You must send and retrieve the data in the most compact format possible. 

You need to update the HTML for the customers table to contain data from the Web API application. 

Which script segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: A 

Q14. DRAG DROP - (Topic 2) 

You need to create the ShippingContext class in the ShippingAddress.es file to meet the requirements. 

What should you do? (To answer, drag the appropriate code segments to the correct location or locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.) 

Answer: 

Q15. DRAG DROP - (Topic 4) 

You are developing a WCF service. 

The WCF service requires implementations of the new data contracts to validate against the old schema. 

You need to develop a new data contract without breaking current functionality. 

What should you do? (To answer, drag the appropriate code segments to the correct location or locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.) 

Answer: 

Q16. DRAG DROP - (Topic 4) 

You are developing an ASP.NET MVC Web API application. 

The application must meet the following requirements: 

It must send or receive data without the use of a buffer. 

It must allow up to 1 MB of data to be received. 

It must allow up to 2 MB of data to be sent. 

You need to complete the code to meet the requirements. 

What should you do? (To answer, drag the appropriate code segments to the correct location or locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.) 

Answer: 

Q17. DRAG DROP - (Topic 4) 

You have a UI element library. 

You need to build a NuGet package to integrate the library into your projects. 

What should you do? (To answer, drag the appropriate code elements to the correct 

location or locations in the answer area. Each code element may be used once, more than 

once, or not at all. You may need to drag the split bar between panes or scroll to view content.) 

Answer: 

Q18. - (Topic 3) 

The PurchaseOrders.xml file contains all of the purchase orders for the day. You need to query the XML file for all of the billing addresses. 

Which code segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: D 

Q19. DRAG DROP - (Topic 4) 

You are developing a self-hosted WCF service that returns stock market information. 

The service must be discoverable by any client application. 

You need to build the service host. 

How should you build the host? (To answer, drag the appropriate code segments to the 

correct location or locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.) 

Answer: 

Q20. - (Topic 4) 

You are developing a library management application that uses the ADO.NET Entity Framework against a SQL Server database. The application has a method that returns check outs filtered by date. 

The Book class is shown below. 

You must filter the data on the SQL server before it is returned to the application server. 

You need to return books checked out more recently than the entered date. 

Which code segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: A 

Explanation: 

The difference is that IQueryable<T> is the interface that allows LINQ-to-SQL (LINQ.-to-anything really) to work. So if you further refine your query on an IQueryable<T>, that query will be executed in the database, if possible. 

For the IEnumerable<T> case, it will be LINQ-to-object, meaning that all objects matching the original query will have to be loaded into memory from the database.