1.

Many social media sites and services provide _______________ for legitimate account verification.(a) Retina scanning(b) Fingerprint scanning(c) CAPTCHA(d) 2-step verificationI have been asked this question in a job interview.Enquiry is from Attack Vectors in section Understanding Attack Vectors of Cyber Security

Answer»

The correct choice is (d) 2-step verification

For explanation: With 2-Step Verification (which is also KNOWN as 2-factor authentication), users can ADD an EXTRA layer of SECURITY to your account. After login, it asks for your existing phone number to send an OTP for layer-2 verification.



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