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Welcome to the Reversing .NET MCQs Page

Dive deep into the fascinating world of Reversing .NET with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Reversing .NET, a crucial aspect of Reverse Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Reversing .NET, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Reverse Engineering.

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Check out the MCQs below to embark on an enriching journey through Reversing .NET. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Reverse Engineering.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Reversing .NET. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Reversing .NET MCQs | Page 6 of 14

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Q51.
How are .NET executables distributed?

a.

As native executables

b.

In an intermediate form called IL

c.

As source code

d.

None of the above

Discuss
Answer: (b).In an intermediate form called IL Explanation:.NET executables are distributed in an intermediate form called IL or CIL, and during execution, the IL code is recompiled into native code by the just-in-time compiler.
Q52.
What is the evaluation stack used for in .NET programs?

a.

To store immediate information such as input and output data for instructions

b.

To manage state information in .NET programs

c.

To store local variables in a function

d.

To store activation records for currently running functions

Discuss
Answer: (a).To store immediate information such as input and output data for instructions Explanation:The evaluation stack is used for managing state information in .NET programs, similar to how IA-32 instructions use registers. It is used by IL code to store immediate information such as input and output data for instructions.
Q53.
Which IL instruction is used to load a local variable onto the stack?

a.

ldloc

b.

stloc

c.

ldarg

d.

starg

Discuss
Answer: (a).ldloc Explanation:ldloc is used to load a local variable onto the stack, while stloc is used to pop the value currently at the top of the stack and load it into the specified variable.
Q54.
How are activation records allocated in the CLR?

a.

On the heap

b.

In a separate memory area from the stack

c.

On the stack

d.

In global memory

Discuss
Answer: (c).On the stack Explanation:In most cases, the CLR allocates activation records on the stack.
Q55.
What is the purpose of ldloc and stloc instructions?

a.

To load and store local variables to and from the evaluation stack

b.

To load and store global variables to and from the evaluation stack

c.

To load and store arguments to and from the evaluation stack

d.

None of the above

Discuss
Answer: (a).To load and store local variables to and from the evaluation stack Explanation:ldloc loads a local variable onto the stack, while stloc pops the value currently at the top of the stack and loads it into the specified variable.
Q56.
What is the purpose of ldarg and starg instructions?

a.

To load and store local variables to and from the evaluation stack

b.

To load and store global variables to and from the evaluation stack

c.

To load and store arguments to and from the evaluation stack

d.

None of the above

Discuss
Answer: (c).To load and store arguments to and from the evaluation stack Explanation:ldarg and starg instructions load and store arguments to and from the evaluation stack.
Q57.
What is the purpose of ldfld and stfld instructions?

a.

To load and store local variables to and from the evaluation stack

b.

To load and store global variables to and from the evaluation stack

c.

To load and store fields of an object to and from the evaluation stack

d.

None of the above

Discuss
Answer: (c).To load and store fields of an object to and from the evaluation stack Explanation:ldfld and stfld instructions are used to load and store fields of an object to and from the evaluation stack.
Q58.
What does ldc do in IL?

a.

Loads a local variable onto the stack

b.

Loads a field of an object

c.

Loads a constant into the evaluation stack

d.

Loads an argument onto the stack

Discuss
Answer: (c).Loads a constant into the evaluation stack Explanation:ldc loads a constant into the evaluation stack.
Q59.
What does call do in IL?

a.

Loads a constant into the evaluation stack

b.

Calls a method and returns from it

c.

Unconditionally branches into the specified instruction

d.

Converts a value type to an object reference

Discuss
Answer: (b).Calls a method and returns from it Explanation:call calls a method and returns from it.
Q60.
What does ret do in IL?

a.

Loads a constant into the evaluation stack

b.

Calls a method and returns from it

c.

Unconditionally branches into the specified instruction

d.

Converts a value type to an object reference

Discuss
Answer: (b).Calls a method and returns from it Explanation:ret returns from a method.
Page 6 of 14

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