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Question:What is the problem with the following function, which is supposed to convert a Stream into byte array?public static byte[] ReadFully(Stream input)
{
    using (MemoryStream ms = new MemoryStream())
    {
        input.CopyTo(ms);
        return ms.ToArray();
    }
}

A It will work only in .NET Framework 4 or above, as the CopyTo function of the memory stream is available only in .NET Framework 4 or later versions. 
B It will work only in .NET Framework 3.5 or below, as the CopyTo function of the memory stream is available only in .NET Framework 3.5 or earlier versions. 
C It will work in all versions of the .NET framework. 
D None of these.

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Question:What is the problem with the following function, which is supposed to convert a Stream into byte array?public static byte[] ReadFully(Stream input) { using (MemoryStream ms = new MemoryStream()) { input.CopyTo(ms); return ms.ToArray(); } }

A It will work only in .NET Framework 4 or above, as the CopyTo function of the memory stream is available only in .NET Framework 4 or later versions.

B It will work only in .NET Framework 3.5 or below, as the CopyTo function of the memory stream is available only in .NET Framework 3.5 or earlier versions.

C It will work in all versions of the .NET framework.

D None of these.

A

Question:What is the problem with the following function, which is supposed to convert a Stream into byte array?
public static byte[] ReadFully(Stream input) { using (MemoryStream ms = new MemoryStream()) { input.CopyTo(ms); return ms.ToArray(); } }