FC0-U51 Online Practice Questions and Answers

Correct Answer: B

Correct Answer: D

Correct Answer: CD

Correct Answer: A

Correct Answer: B

Correct Answer: AB

Correct Answer: D

Correct Answer: C

Correct Answer: C

NTFS supports file encryption and you can only encrypt files on an NTFS partition. What is NTFS? Hide NTFS is an advanced file system designed for use specifically in Windows NT, Windows 2000/2003, and Windows XP operating systems. It supports file system recovery, large storage media, long file names, and other features. NTFS offers features such as disk quotas, distributed link tracking, compression, and mounted drives. NTFS also offers security features, such as encryption and file and folder permissions. These features are not available on FAT volumes. Answer option A is incorrect. The that your operating system is on an NTFS partition does not change the that only NTFS partitions support encryption. Answer option B is incorrect. FAT does not support encryption.

Correct Answer: C

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 information. 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 network. 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 Reference: "http://en.wikipedia.org/wiki/Phishing"