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Ethical Hacking and Countermeasures Question 19 (page: 72)

When referring to the Domain Name Service, what is denoted by a ‘zone’?

Peter is a Linux network admin. As a knowledgeable security consultant, he turns to you to look for help on a firewall. He wants to use Linux as his firewall and use the latest freely available version that is offered. What do you recommend?
Select the best answer.

James is an IT security consultant as well as a certified ethical hacker. James has been asked to audit the network security of Yerta Manufacturing, a tool manufacturing company in Phoenix. James performs some initial external tests and then begins testing the security from inside the company's network.
James finds some big problems right away; a number of users that are working on Windows XP computers have saved their usernames and passwords used to connect to servers on the network. This way, those users do not have to type in their credentials every time they want access to a server. James tells the IT manager of Yerta Manufacturing about this, and the manager does not believe this is possible on Windows XP. To prove his point, James has a user logon to a computer and then James types in a command that brings up a window that says "Stored User Names and Passwords".
What command did James type in to get this window to come up?

You have the SOA presented below in your Zone. Your secondary servers have not been able to contact your primary server to synchronize information. How long will the secondary servers attempt to contact the primary server before it considers that zone is dead and stops responding to queries?
collegae.edu.SOA, cikkye.edu ipad.college.edu. (200302028 3600 3600 604800 3600)

The terrorist organizations are increasingly blocking all traffic from North America or from Internet Protocol addresses that point to users who rely on the English Language.
Hackers sometimes set a number of criteria for accessing their website. This information is shared among the co-hackers. For example if you are using a machine with the Linux Operating System and the Netscape browser then you will have access to their website in a convert way. When federal investigators using PCs running windows and using Internet Explorer visited the hacker’s shared site, the hacker’s system immediately mounted a distributed denial-of-service attack against the federal system.
Companies today are engaging in tracking competitor’s through reverse IP address lookup sites like whois.com, which provide an IP address’s domain. When the competitor visits the companies website they are directed to a products page without discount and prices are marked higher for their product. When normal users visit the website they are directed to a page with full-blown product details along with attractive discounts. This is based on IP-based blocking, where certain addresses are barred from accessing a site.
What is this masking technique called?