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.
A. Citing sources for documents you found on the web
Answer:
B
Explanation:
An authentication server server tracks who is logging on to the network as well as which services on the network are available to each user. It also does the job of providing a network service that applications can use to authenticate the credentials, that are oftentimes account names and passwords, of their users. Authentication server is also used as the basis for authorization.
Answer:
umm let me check if my answer is right
Explanation:
