What are the top five vulnerabilities of your operating system? discuss any three steps you take to secure your operating system. which tools do you use to safeguard your operating system and why? in your opinion, which os integrity check is the most important? why?

What type of file does a cookie place on web site visitors' computers so that web site managers can customize their sites to their visitors' preferences?

What are the three uses of a screw?

1. you have a small business that is divided into 3 departments: accounting, sales, and administration. these departments have the following number of devices (computers, printers, etc.): accounting-31, sales-28, and administration-13. using a class c private network, subnet the network so that each department will have their own subnet. you must show/explain how you arrived at your conclusion and also show the following: all available device addresses for each department, the broadcast address for each department, and the network address for each department. also, determine how many "wasted" (not usable) addresses resulted from your subnetting (enumerate them).