Answer:
"Option A" is the correct answer to this question.
Explanation:
The customer is using this pattern for both the determination of network places services offered and for load balance requests. It offers a API to handle licensing of service situations and to query accessible cases, and other choices were wrong, that can be described as follows:
- In option B, It is a service registrar, that track the changes, that's why it is wrong.
- In option C, It is used in registering detail, that's why it is incorrect.