Introduction to Cybersecurity 2.1 Chapter 2 Quiz Answers – Chapter 2: Attacks, Concepts and Techniques
1. In what way are zombies used in security attacks?
- They probe a group of machines for open ports to learn which services are running.
- They target specific individuals to gain corporate or personal information.
- They are infected machines that carry out a DDoS attack.
- They are maliciously formed code segments used to replace legitimate applications.
2. Which type of attack allows an attacker to use a brute force approach?
- password cracking
- social engineering
- packet sniffing
- denial of service
3. Which two characteristics describe a worm? (Choose two.)
- is self-replicating
- travels to new computers without any intervention or knowledge of the user
- hides in a dormant state until needed by an attacker
- infects computers by attaching to software code
- executes when software is run on a computer
4. What is the purpose of a rootkit?
- to deliver advertisements without user consent
- to replicate itself independently of any other programs
- to gain privileged access to a device while concealing itself
- to masquerade as a legitimate program
5. Which tool is used to provide a list of open ports on network devices?
6. What is the most common goal of search engine optimization (SEO) poisoning?
- to overwhelm a network device with maliciously formed packets
- to increase web traffic to malicious sites
- to build a botnet of zombies
- to trick someone into installing malware or divulging personal information
7. Which example illustrates how malware might be concealed?
- A botnet of zombies carry personal information back to the hacker.
- An attack is launched against the public website of an online retailer with the objective of blocking its response to visitors.
- A hacker uses techniques to improve the ranking of a website so that users are redirected to a malicious site.
- An email is sent to the employees of an organization with an attachment that looks like an antivirus update, but the attachment actually consists of spyware.
8. What is the primary goal of a DoS attack?
- to facilitate access to external networks
- to scan the data on the target server
- to obtain all addresses in the address book within the server
- to prevent the target server from being able to handle additional requests