Test 1 sql

1) The C# keyword int maps to which .NET type?
a. System.Int16
b. System.Int32
c. System.Int64
d. System.Int128

2) Which of these statements correctlydeclares a two-dimensional array in C#?
a. int[,] myArray;
b. int[][] myArray;
c. int[2] myArray;
d. System.Array[2] myArray;

3) Which of these stringdefinitions will prevent escaping on backslashes in C#?
a. string s = “ Test string”;
b. string s = “\n Test string”;
c. string s = @”\n Test string”;
d.string s = “n Test string”;

4) What is a delegate?
a. A strongly typed function pointer.
b. A light weight thread or process that can call a single method.c. A reference to an object in a different process.
d. An inter-process message channel.

5) If a method is marked as protected internal who can access it?
a.Classes that are both in the same assembly and derived from the declaring class.
b. Only methods that are in the same class as the method in question.
c. Internalmethods can be only be called using reflection.
d. Classes within the same assembly and classes derived from the declaring class.

6) Which of the followingoperations can you NOT perform on an ADO.NET DataSet?
a. A DataSet can be synchronised with the database.
b. A DataSet can be synchronised with a RecordSet.
c. ADataSet can be converted to XML.
d. You can infer the schema from a DataSet.

7) In Object Oriented Programming, how would you describe encapsulation?
a. Theconversion of one type of object to another.
b. The runtime resolution of method calls.
c. The exposition of data.
d. The separation of interface and implementation.