Answer:
Open and click rates
Explanation:
Open and click rates are measuring units of how well your campaigns perform.
The answer is A. A firewall is a piece of software that monitors all connections to make sure no attacks can be made in the internal or external networks
Computers have changed the way people relate to one another and their living environment, as well as how humans organize their work, their communities, and their time. Society, in turn, has influenced the development of computers through the needs people have for processing information.
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