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Exam 220-1002 topic 1 question 321 discussion

Actual exam question from CompTIA's 220-1002
Question #: 321
Topic #: 1
[All 220-1002 Questions]

Which of the following would MOST likely be used by an attacker to identify the hash value of a strong password quickly?

  • A. Brute force
  • B. Key stretching
  • C. Rainbow table
  • D. Dictionary attack
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Suggested Answer: C 🗳️

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Tp2008
1 year, 3 months ago
An attacker seeking to identify the hash value of a strong password quickly would most likely employ a technique known as "Rainbow table". A rainbow table is a precomputed compilation of plaintexts and their corresponding hashes (typically passwords). By referencing this table, an attacker can swiftly determine the hash value associated with a given password, bypassing the need for time-consuming brute force or dictionary attacks. Remember, it’s essential to use strong, unique passwords and consider additional security measures to protect your accounts!
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Students
2 years, 7 months ago
Selected Answer: C
Rainbow Tables is the correct anwer. Rainbow Tables When passwords are stored in the operating system, they are stored in their hashed format. A hash is a one-way cryptographic algorithm. If you have access to the password hash, a rainbow table can be used to find the password. Rainbow tables are databases that have had every permutation run through a hashing algorithm, so the hash can be looked up and cross-referenced back to the password that created it. These databases can be really large. It is not uncommon for a rainbow table to ship on a portable hard drive.
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ronah
3 years, 4 months ago
Got this on exam
upvoted 4 times
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lance12
3 years, 5 months ago
Selected Answer: C
A rainbow table is a precomputed compilation of plaintexts and matching ciphertexts (typically passwords and their matching hashes).
upvoted 2 times
lance12
3 years, 5 months ago
This is faster than dictionary and brute forcing
upvoted 3 times
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