You need to make an 8 -character password for a web account, but you are worried

Question

You need to make an 8 -character password for a web account, but you are worried about how easy it is for someone to guess your password. Count the number of possible passwords with each of the following restrictions. Which of them is the most secure The first character is an upper-case letter and the other seven characters are lower-case letters All the characters are distinct digits chosen from 0 to 9. You choose an eight -letter word at random from an online dictionary with 13871 eight -letter words in total, with equal probability of choosing any one word. You then randomly choose some of the letters in the word to capitalize The password contains 8 distinct lower-case letters in alphabetical order. The password contains only one distinct number and one distinct upper-case letter, and they must be alternating The password contains three distinct numbers in increasing order, and five distinct lower- case letters in alphabetical order. The numbers and letters can be interspersed The password is an anagram (rearrangement) of the word "password". All the letters are still lowercase. For simplicity, we'll count "password" as an anagram of itself.

Explanation / Answer

Option C is correct

Here we got many number of Combinations

Related Questions

Navigate

• Browse (All)
• Browse Y
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.