
Entropia e Quebra de Senhas
Quiz
•
Mathematics
•
9th Grade
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Uma senha de 6 caracteres usando apenas letras minúsculas do alfabeto inglês (26 letras) pode ter quantas combinações possíveis?
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se uma senha tem 8 caracteres e utiliza letras maiúsculas, minúsculas e números (total de 62 caracteres possíveis), qual é o número total de combinações possíveis?
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual das opções abaixo aumenta mais a entropia de uma senha?
Aumentar o comprimento da senha
Usar apenas letras minúsculas
Usar apenas números
Repetir caracteres
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se uma senha de 7 caracteres usa apenas letras minúsculas, qual é a probabilidade de adivinhar a senha correta em uma única tentativa?
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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