In C# which namespace contains LINQ?

System.Text

System.Collections.Generic

System.Query.Linq

System.Linq

In C# the output of the following code is ______

static void Main(string[] args)

{

int[] nums = { 1, 0, 6, -2, -4, 3};

var posNums = from n in nums where n % 2 == 0 select n;

foreach (int i in posNums)

Console.Write(i + " ");

}

1 0 6 -2 -4 3

0 6 -2 -4

1 3

Runtime error

In C# which of following is correct for the blank?

static void Main(string[] args)

{ int[] nums = { 8, -2, -1, 2, 6, -4, 5 };

int count = /*_________________ */ ;

Console.WriteLine("The number of positive numbers is: " + count);

Console.ReadLine(); }

from n in nums where n > 0 select n

from n in nums where n > 0 select n.Count()

(from n in nums where n > 0 select n).Count();

None of the above

In C# the ________ extension method indicates that only unique values should be included in a LINQ query s results.

Any

Distinct

Count

none of the above

What is LINQ (Language Integrated Query)?

An API that allows programmers to write SQL statements.

A query language built into C# that allows data sources to be queried.

The ability for users to input information using their voice.

A .NET Framework.