Module 3A quiz

Which password attack is typically used specifically against password files that contain cryptographic hashes?

Birthday Attack

t/f A birthday attack is a type of cryptographic attack that is used to make brute-force attack of one-way hashes easier.

True

t/f When servers need operating system upgrades or patches, administrators take them offline intentionally so they can perform the necessary work without risking malicious attacks.

True

Brian notices an attack taking place on his network. When he digs deeper, he realizes that the attacker has a physical presence on the local network and is forging Media Access Control (MAC) addresses. Which type of attack is most likely taking place?

URL hijacking Address Resolution Protocol (ARP) poisoning Christmas attack Internet Protocol (IP) spoofing

Bob is using a port scanner to identify open ports on a server in his environment. He is scanning a web server that uses Hypertext Transfer Protocol (HTTP). Which port should Bob expect to be open to support this service?

a. 23 b. 21 c. 443 d. 80

Tony is working with a law enforcement agency to place a wiretap pursuant to a legitimate court order. The wiretap will monitor communications without making any modifications. What type of wiretap is Tony placing?

a. Passive Wiretap b. Between-the-lines wiretap c. Piggyback-entry wiretap d. Active wiretap

t/f A phishing attack "poisons" a domain name on a domain name server.

False

t/f A rootkit uses a directed broadcast to create a flood of network traffic for the victim computer.

False

t/f Spam is some act intended to deceive or trick the receiver, normally in email messages.

False

t/f Vishing is a type of wireless network attacks

False