Answer:Document the reason for the request, Follow the company’s approval process for the implementation
Explanation:
The port 20 and 21 are used for the FTP connection, so before opening port 20 and 21 it is necessary to abide by the company data security policy which includes documenting the reason for the request and following company's approval process for its implementation.
Answer: close the program and reopen it.
Explanation: This is one of the 5 common problems in a computer. When a program wont load, Try closing and reopening the program.
Reboot the computer.
Check for known issues on the web or updates to the software.
Use Task Manager (Ctrl+Alt+DEL) if program is non-responsive to "end task."
Correct the href value of the appropriate anchor.
Answer:
A: used by ISP's to filter out email SPAM
C: a way to help an individual focus on best choices when deciding what to watch or buy.
Explanation:
Collaborative filtering uses a community-based approach to filter spam. It works by collecting numerous email users from around the world. By doing this, it becomes possible for users to flag emails that are spam and those that are legitimate.
Also Collaborative Filtering is one of the most efficient techniques for building a system that can help a user when it comes to recommending best choices based on information from a large number of users.