14 Eleventh Hour Security : Exam SY0-201 Study Guide not just concerned with software security but also physical, hardware security. From the BIOS to data storage to software system, security is one of the most complex topics in the security field today. It is important to understand that while there are a multitude of threats out there, there are also many tools that are available to combat those threats. Anti- virus software has become a mainstay of the computing environment today. Similarly, personal firewalls are more ubiquitous than ever. It is the proper use of tools such as these that helps ensure the integrity and security of an end sys- tem in today's corporate environments. TOP FIVE TOUGHEST QUESTIONS 1. You are analyzing the current security of your network and are con- cerned about the possibility that users will bypass authentication and gain greater permissions than they were given. What are the two major causes of privilege escalation? Choose all that apply. A. B. C. D. Bugs in software Spyware Backdoors BIOS User education programs Correct firewall configuration Timely software patches Anti-virus scans 2. What are good ways to protect against worms? (Select all that apply.) A. B. C. D. 3. Your company's Web server suddenly gets tens of thousands of simulta- neous requests for a Web page. After the Web server crashes, you restart the server and then take a look at the log files. You see that some of the requests came from your own network. What kind of attack has most likely happened? A. B. C. D. Rootkit Botnet Virus Worm 4. You have purchased a used computer in an auction. When you power-on the computer, you are asked for a password before the operating system even loads. Since you don't have it, how will you clear the password so that you can start the computer and begin using it? A. B. C. D. Clear the password in the CMOS settings . Flash the BIOS . Press F10 or DEL on the keyboard . There is nothing you can do if you don't have the power-on password .