The answer is D, I believe.
<span>Actually dod requires a digital type of authentication and a secure password inorder to access sensitive data on mobile devices and email, which may in the form of two step authentication code, then in the form digital phone calls, and then in the form of alphanumeric passwords and finally in the form of finger prints authentications or face recognition verification..</span>
The function use to get the number of element in a dictionary is len.
<h3>What is a dictionary?</h3>
Dictionaries are used to store data values in key-value pairs. Dictionary are ordered.
Dictionary in python are express as follows:
my_dict = {"name": "Michael", "age": 28, "school": "Oxford"}
Therefore, the length of the element of the dictionary can be gotten using the len() function.
Hence,
print(len(my_dict)) will give you the length of the element.
learn more on dictionary here: brainly.com/question/14120893
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