Question 11 : Select the class which is the base class for all arrays in C#?
1. Array
2. Text
3. arrays
4. Both Array & Text
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Question 12 : Choose the namespace in which Expression trees are encapsulated:
1. System.Linq
2. System.Linq.Expressions
3. System.Text
4. System.Collections.Generic
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Question 13 : Select the namespace which should be included while making use of LINQ operations:
1. System.Text
2. System.Collections.Generic
3. System.Linq
4. None of the mentioned
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Question 14 : Choose the namespace in which the interface IEnumerable is declared?
1. System.Collections
2. System.Collections.Generic
3. Both System.Collections & System.Collections.Generic
4. None of the mentioned
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Question 15 : Choose the wrong statement about the LINQ?
1. The main concept behind the linq is query
2. linq makes use of foreach loop to execute the query
3. It is not required that linq should make use of IEnumerable interface
4. None of the mentioned
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Question 16 : Assume 2 columns named as Product and Category how can be both sorted out based on first by category and then by product name?
1. var sortedProds = _db.Products.Orderby(c => c.Category)
2. var sortedProds = _db.Products.Orderby(c => c.Category) + ThenBy(n => n.Name)
3. var sortedProds = _db.Products.Orderby(c => c.Category) . ThenBy(n => n.Name)
4. all of the mentioned
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Question 17 : Which of these type parameters is used for generic methods to return and accept any type of object?
1. K
2. N
3. T
4. V
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Question 18 : Which among the given classes is present in System.Collection.Generic.namespace?
1. Stack
2. Tree
3. Sorted Array
4. All of the mentioned
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Question 19 : Select the type argument of an open constructed type?
1. Gen<int>
2. Gen<T>
3. Gen<>
4. None of the mentioned
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Question 20 : Choose the advantages of using generics?
1. Generics facilitate type safety
2. Generics facilitate improved performance and reduced code
3. Generics promote the usage of parameterized types
4. All of the mentioned
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