Which of the following choices can be described as a type of social engineering?
Answer Description
Vishing (Voice Phishing) is a type of phishing attack that uses a telephone or VOIP call to trick an unsuspecting user into divulging important information. Xmas Attack, MAC Spoofing and DDoS are not examples of social engineering, but are malicious attacks.
Wikipedia
Voice phishing is the criminal practice of using social engineering over the telephone system to gain access to private personal and financial information from the public for the purpose of financial reward. It is sometimes referred to as 'vishing', a word that is a combination of "voice" and phishing. Voice phishing exploits the public's trust in landline telephone services, which have traditionally terminated in physical locations known to the telephone company, and associated with a …
Voice phishing - Wikipedia, the free encyclopedia