Mark, an employee, belongs to the marketing department in an organization. However, he often interacts with people in all other departments including top management, which has helped him improve professionally and personally. By maintaining many informal networks within the organization, he manages to get his job done more effectively than others. From this description, it can be inferred that Mark demonstrates power.

Relational

Explanation:

Relational power refers to the ability of an individual to form and maintain good relations and alliances with the people around, which benefit in the performance of tasks and operations and also serve organizational interest.

Forming relations a rare ability and not all individuals possess it. Those who do, are able to coordinate with others more effectively and this raises efficiency in an individuals performance.

In the given case, Mark demonstrates great ability of forming bonds and healthy relations with the people around which isn't merely restricted to his own departmental employees and thus he is able to get his job done more effectively. This depicts "relational power" of Mark.

answer; trojan horse;