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The boater on the right is responsible for keeping watch to avoid a collision between two boats.
data link layer
Administrator. It's basically the person (or people) responsible for keeping the computer running smoothly.
Networking and telecommunications are responsible for keeping computer network systems running and secure
Session layer
Communication skills are a must, as you are responsible for keeping employees in the know about their benefits.
The Transport layer is responsible for keeping data from different applications separate on a network. It achieves this by using port numbers to identify specific applications or processes on a host, ensuring that data is directed to the correct destination. This layer also provides error detection and recovery, ensuring reliable communication between applications.
The gravitational force between the Earth and the Moon is responsible for keeping the Moon in orbit around the Earth. This force acts as a centripetal force, pulling the Moon towards the Earth and keeping it in a stable orbit.
Keeping a record of oral communication enables you to go back over the record in the event that there are any discrepancies later. This can be important in the event that the oral communication is a contract between two parties to pay back a loan, or to do work.
The ship Engineers were responsible for keeping the lights on, and maintained.
data link layer
The Tiny Charged Particles from atoms are responsible for everything from keeping the lights on (and the computer your using) to getting shocked by a doorknob after rubbing your feet on a carpet.