Which one of the following is the goal of a brute-force attack?
- Try every possible TCP port until a service answers
- Try every possible combination of keyboard characters to guess a user’s password
- Initiate a denial-of-service operation on every possible host in a subnet
- Spoof every possible IP address in an organization
Explanation: In a brute-force attack, an attacker’s software tries every combination of letters, numbers, and special characters to eventually find a string that matches a user’s password.
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