192.168 suggests class C networks which have a 24 bit netmask (255.255.255.0) but you haven't provided enough info, like the netmask of a working machine, to be definite.
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.
The answer to this question is the PET scan. Positron
Emission Tomography or PET scan is an imaging test that checks and trace for
diseases in the body. This also shows how the body organs is functioning /
working. The doctor can evaluate the function of the patients body by the 3D
color images produced by the PET Scan.
