For the first one its NOW, I'm not sure about the 2nd, the 3rd I think is penal code cases but i could be wrong, and the 4th one sounds like voting is the most logical answer.
Various number of servers placed in racks are related to Rack servers in data center.
Explanation:
In data center commonly used server is Rack servers. Servers are being arranged in the mounted racks are generally called as rack servers in the data center. Internal fans are being fitted inside the racks make the servers to make a good airflow and maintain the cooling. There are different types of racks available the user can choose based on their requirement.
THe staff of the medical office will need to enter, maintain and retrieve data from electronic health records within a hospital. EHR is the term used which means electronic health records that recorded all the health data of the hospitals.
Perfect attendance and a salary
I believe the answer is Virtual Private Network (VPN).
Know this answer is late, but im doing my deed hoping i this can help someone else pass this darn class. Best of Luck to whoever is taking the same course. You can do it if my lazy self can do it! It'll be okay ;)