Its answer is c. hardness
1.Clarify what the disagreement is
2. Establish a common goal for both parties
3. Discuss ways to meet the common goal
4. Determine the barriers to the common goal
5. Agree on the best way to resolve the conflict
6. Acknowledge the agreed upon solution and determine the responsibilities each part has in the resolution
I believe your answer would be C, but that also falls under a VPN.
A store that relies solely on technology to store all of their data would be a store that either sells technology or an online store like Amazon