Yes. They make a lot of money. So eventually after saving your Money, you will make a least 1 million dollars or more.
Answer:
A closed port that can not receive request from authorized users.
Explanation:
Networks comprises of end devices, routing and switching devices, servers, technical control devices etc. The communication and interconnection of these devices makes up a secure and resourceful network.
Attackers can exploit loopholes in networks to steal information. The attackers uses the SYN scanning or cracking technique to implement the DOS or denial of service attack.
DOS is used to flood ports on a server in a network, preventing authorized user access, as they steal information to avoid detection.
1: Application
2: Presentation
3:Session
4: Transport
5:Network
6: Data link
7: Physical
Application is a Interface Layer and responsible Layer
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Answer:the main signal bearing entities are voltage and their current in circuit environments.
Explanation: