C# Test 1

Question 1

Is it possible to use several inheritances in C#?

Accepted Answer

No

Answer

Explanation:
Multiple inheritance is not supported in C# because the developers believe it adds too much complexity to the language while delivering too little benefit. In C#, classes can only inherit from one parent class, which is referred to as single inheritance.

Question 2

Interoperability with partially or fully dynamically typed languages and frameworks is available in which C# release?

Accepted Answer

C# 4.0

Answer

Explanation:
Microsoft has released the Visual Studio 2010 runtime and development environment version 4.0. Interoperability with partially or fully dynamically typed languages and frameworks, such as the Dynamic Language Runtime and COM, is a primary priority of C# 4.0.

Question 3

Which CLR component enables a.net program to communicate with a COM application?

Accepted Answer

COM marshaller

Answer

Explanation:
The COM task allocator is used by the COM marshaller to allocate and free memory.

Question 4

Which.NET collection class allows for the use of a unique key to access elements?

Accepted Answer

Hashtable

Answer

Explanation:
The Hashtable class represents a collection of key-value pairs that are grouped according to the key's hash code. It accesses the elements in the collection using the key.
When you need to access elements by key and can determine a useful key value, you utilize a hash table. There is a key/value pair for each item in the hash table. The key is used to gain access to the collection's items.

Question 5

Which of the following is executed by the actual.Net code?

Accepted Answer

MSIL

Answer

Explanation:
MSIL (Microsoft Intermediate Language) is a language that is produced by a variety of compilers (C#, VB,.NET, and so on). The lLDasm (Intermediate Language Disassembler) software included in the.NET Framework SDK (FrameworkSDKBinildasm.exe) allows users to view MSlL code in a human-readable format.

Uncategorized Practice Test

Uncategorized Practice Test

C# Test 1