You use a 4-digit passkey to unlock your smartphone. However, you are worried that your phone's security

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You use a 4-digit passkey to unlock your smartphone. However, you are worried that your phone's security may be compromised since your younger sibling carefully watched you unlock your phone.

a. How many combinations will your sibling need to try if they determined the first digit of your passkey?

b. How many combinations will your sibling need to try if they determined the last digit of your passkey?

c. How many combinations will your sibling need to try if they determined the first two digits of your passkey?

d. What can be done to increase your phone's security?

Related Book For answer-question

Fundamentals Of Management

ISBN: 9780357517345

10th Edition

Authors: Ricky Griffin

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Posted Date: Mar 29, 2024 02:10 AM

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You use a 4-digit passkey to unlock your smartphone. However, you are worried that your phone's security

Question:

Expert Answer:

a If your sibling determined the first digit of your passkey they would need to try 10 combinations for the remaining three digits 09 So the number of ... View the full answer

Fundamentals Of Management

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