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.
It is called SPIM (Spam over Instant Messaging). You also have email SPAM and SPIT (Spam over Internet Telephony, which means using the internet to make phone calls.
Answer:
IP address and MAC address
Explanation: The IP address tells the server what network to send the information to, the MAC address tells the local network what device to send it to.
Answer:
If you are running Windows check task manager and see if any background process if running if there is a background process of command prompt or powershell, there is a chance that there is a backdoor running in your system, you can just right click and end the task it should just kick the hacker off the server.
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