Answer: Media access control layer (MAC layer)
Explanation:
The media access control layer is also known as MAC layer. The main function of the media access control layer is that it is used in the transmission of the data into the frame and perform the error detection and the address recognition which basically govern the accessing to the local area network (LAN) transmission medium.
The media access control layer is basically responsible for transmission of the data packets from NIC (Network interface card) to the another channel.
Answer
Cyber Security professionals
Explanation
Cyber security professionals can help the company protect itself from hackers. They are experts who will install antivirus into the software used in the company to protect virus manipulation and prevent malware. They will further encrypt the websites of the company and reset the password of the computers into two-factor authentications to make the login requirements advanced.
They became more popular and more advanced with their pictures