क्रिप्टोग्राफी या सुरक्षा में ब्रूट फ़ोर्स अटैक (Brute force attack) में मुख्य रूप से निम्नलिखित में से क्या शामिल है?

Arrange the following authentication factors in their progressive logical sequence as applied in a Multi-Factor Authentication (MFA) framework, advancing from basic memorized credentials to dynamic tokens, and concluding with physical traits. A. One-time codes B. Biometrics C. Passwords Choose the correct answer from the options given below:

An unsolicited email message sent to many recipients at once is known as ________.