Answer:
Physical and data link layer.
Explanation:
The ethernet cable is used at the physical layer. The physical layer consists of hardware components. This layer is responsible for transmission of data bits between two nodes via a physical wire. The data link layer provides the means in which data packets are transmitted from one node to another.
Suppose two computers (A & B) are directly connected through Ethernet cable. A is sending data to B, the packets would be sent from computer A to computer B if computer B is free if not it would wait until computer B is not transmitting before it can start sending data packets to computer B.
True it usually shows up with a blue underline
Answer:
Sara: Personal data
Jorge : Personal data + official data.
Wanda: Personal data + students data
Carl: Personal data + official data
Explanation:
Personal data could contain pictures, social security numbers, banking transactions details, passwords, credit card information etc.
Jorge's official data could contain information about various sources that he gets his news from. It could contain password information about his official email. And he connects to the office network, he might pose a threat to the entire network if his PC is infected.
Wanda could leak the student's information. She could also leak her social security numbers, bank details, organization's details etc.
Carl could leak company's information. He can avoid it by staying away from public networks. Installing anti-virus. He should also take great care while accessing various sites and never download harmful files over the internet.
I would have to say it would be a PDA, because they generally arent much bigger than a cell phone. at least mine is pretty small anyway. there are certain brands that make larger ones almost the size of a tablet, but in general terms, PDAs are usually pretty small. hope this helps.
