I would say the best clear answer is D, because A is a little bit unclear but I would say the best answer is D.
Why?
Mesh Topology is expensive considering more links as compared to Ring topology.
The copy combination is "ctrl+c". Highlight the text, go to where you want to paste it to, and use the combinations "ctrl+v".
Answer:
By modifying the hidden form values that is in a local copy of the company web page
Explanation:
In a situation were the hacker successful change the price of the items he/she purchased through the web site of the company's in which the company web server as well as the company Oracle database were not compromised directly which means that the most likely method in which the attacker used to modified the sale price of the items he/she purchased was by modifying the HIDDEN FORM VALUE that was in the local copy of the company web page making it easy for the HIDDEN FORM VALUE to be vulnerable to the hacker because the hidden form value did not store the company server side information or data but only store the company software state information which is why HIDDEN FORM VALUE should not be trusted.
The answer that would best complete the given statement above would be option 5. The purpose of a method's postcondition is to describe the conditions that are true when the method completes. On the other hand, precondition describes the conditions that are true before the method is complete. Hope this helps.