1- A programmer wants to create an array that will hold 10 strings. Which of the following lines is the correct way of doing so?

 

   A. String a = new string[9][];

   B. String[] a = new string[10];

   C. String[] a = new string[9];

   D. String a = new string[10][];

 

2- Arrays may have __________ dimensions.

 

   A. one

   B. two

   C. more than two

   D. All of the above

 

3- To receive arguments of varying length for a method, the programmer can use the __________ keyword in the method declaration.

 

   A. params

   B. args

   C. string

   D. array

 

4- An array stores a number of items. Each individual variable in the group is referred to as a(n):

 

   A. element.

   B. index.

   C. length.

   D. initial value.

 

5- Using LINQ against data stored in arrays such as a list is called:

 

   A. LINQ to SQL.

   B. LINQ to XML.

   C. LINQ to Objects.

   D. LINQ to Lists.

 

6- When writing a LINQ query, the compiler can infer the query's data type by using the __________ keyword to declare a variable.

 

   A. var

   B. from

   C. select

   D. orderby

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