Question below...   A password can include small alphabets and numbers. If two special characters are allowed, the increase in the level of safety would be equal to increasing the length of the...

Question below...

 

A password can include small alphabets and numbers. If two special characters are allowed, the increase in the level of safety would be equal to increasing the length of the password by approximately how many letters if their use was not allowed.

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If the password can include small alphabets and numbers, there are a total of 26 + 10 = 36 choices.

If the password can have have N characters, the number of combinations possible is 36^N

When two extra special characters are allowed and the length of the password remains the same, the number of combinations possible is 38^N.

The safety that a password provides can be taken as the...

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