Answer:
Explanation:
Every employee who works for a company plays an important role in his field. some of the key employees of a company is sales representative, marketing executives, human resource managers, etc
whereas in manufacturing sector additional employees are developers, manufacturing workers, quality testers, etc, which when leaves a company, there is always a chance for the employee to join the competitors which is a threat to integrity of a company
Plus particular field becomes unstable for that time until a good employee hire again for the same position.
If a network administrator leaves, the company may suffer from their network issues. as a network administrator maintain networks, troubleshoot with any network problem, checks the security of the network and many more, he plays a very important role in the company.
If a sales representative leaves the job from the company, sometimes it results as a great loss of a company as a sales representative is in direct contact with customers, and when they leave a job there are chances that they carry the customer with them which results in loss of business.
No, you would see arrows pointing in opposite directions <--> like so
<span>network layer
hope it helped</span>
