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If you're referring to a previous Expert's Exchange question (or wherever question exists), post the question link.<br />
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To answer your question requires a bit more context, which will be in the original post you're referencing.
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If you're referring to a previous Expert's Exchange question (or wherever question exists), post the question link.

To answer your question requires a bit more context, which will be in the original post you're referencing.

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I think it is<br />
26 + 26 (Upper- and lowercase) = 52 to the power of 4 (the length) = <b>7311616 </b>combinations
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I think it is
26 + 26 (Upper- and lowercase) = 52 to the power of 4 (the length) = 7311616 combinations

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It is the exact question as stated in example I shown. User has not advice though.
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It is the exact question as stated in example I shown. User has not advice though.

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I &nbsp;would like to know the explanation behind the answer.
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I  would like to know the explanation behind the answer.

Assume that passwords are selected from four character combination of 26 alphabetic characters. Assume that an adversary is able to attempt passwords of one per second. a.	Assuming no feedback to the

The cyber security specialization covers the fundamental concepts underlying the construction of secure systems, from the hardware to the software to the human-computer interface, with the use of cryptography to secure interactions. Cyber security refers to the protection of personal or organizational information or information resources from unauthorized access, attacks, theft, or data damage. This includes controlling physical access to the hardware, as well as protecting against the harm that may come via network access, data and code injection, and due to malpractice by operators, whether intentional, accidental, or due to them being tricked into deviating from secure procedures.