FC0-U41 Question #197: Real Exam Question with Answer & Explanation

Question

Options

• APassword guessing attack
• BSpoofing
• CPhishing
• DReplay attack

Explanation

Phishing is a type of scam that entice a user to disclose personal information such as social security number, bank account details, or credit card number. An example of phishing attack is a fraudulent e-mail that appears to come from a user's bank asking to change his online banking password. When the user clicks the link available on the e-mail, it directs him to a phishing site which replicates the original bank site. The phishing site lures the user to provide his personal Answer option B is incorrect. Spoofing is a technique that makes a transmission appear to have come from an authentic source by forging the IP address, email address, caller ID, etc. In IP spoofing, a hacker modifies packet headers by using someone else's IP address to his identity. However, spoofing cannot be used while surfing the Internet, chatting on-line, etc. because forging the source IP address causes the responses to be misdirected. Answer option D is incorrect. Replay attack is a type of attack in which attackers capture packets containing passwords or digital signatures whenever packets pass between two hosts on a In an attempt to obtain an authenticated connection, the attackers then resend the captured packet to the system. Answer option A is incorrect. A password guessing attack occurs when an unauthorized user tries to log on repeatedly to a computer or network by guessing usernames and passwords. Many password guessing programs that attempt to break passwords are available on the Internet. Following are the types of password guessing attacks: Brute force attack Dictionary attack

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