Answer:
server
Explanation:
Much of a program for a web app runs on a distant computer, often called the server. Most of the backend code execution happens on the server and the results of the processing are passed to the client browser for display to the user. Common programming environments for backend web applications include PHP,Servlet,ASP.NET etc. Client side scripting is mostly done using Javascript.
Answer:
Use an opto coupler
Explanation:
Without knowing the context of your question, I can say that to eliminate effects of galvanic coupling, you an use an optical connection to transfer e.g., data.
Answer: (A) Firewall; implement an ACL on the interface
Explanation:
According to the question, for re-mediate the issue firewall should be implemented the ACL (Access control list) on the given interface. The access control list is one of the type of logic which selectively give permission or deny the number of packet in the system which to through the interface.
Firewall is the type of device that basically examine the traffic in the network system and also make several decisions in the system. ACL is the set of rule which mainly define the route of the packet in the router interface state.