In network security, a firewall is a device which lies between two networks.
a. regulates data traffic between the networks to prevent attacks originating from the external network to cause harm to the internal network.
b. regulates the movement of network administrators from the external network to the internal network.
c. prevents fires in the external network from spreading to the internal network.
d. none of the above.

You are almost finished updating a web site. as part of the update, you have converted all pages from html 4.0 to html5. the project is currently on schedule. however, your project manager has been asked by the marketing team manager to justify a day of time spent validating the site's html5 pages. the marketing team manager does not have technical knowledge of the internet or the web. which is the most appropriate explanation to provide to the marketing team manager?

Corey set up his presentation for delivery to his team.the information he had to convey was critical to their job performance.he knew he would need a lot of time to explain each point

Sports and entertainment class, your goal is to increase attendance and make a profit for a game by getting your team on a winning track with total salaries less than $3,000,000