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Define the following terms: IP address, MAC address, Computer networks, Computer ports, DNS, Vulnerability.
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Solution

IP Address:

  • An Internet Protocol address (IP address) is a numerical label assigned to each device (e.g., computer, printer) participating in a computer network that uses the Internet Protocol for communication.
  • An IP address serves two principal functions: host or network interface identification and location addressing.
  • There are two versioning
    • IPv4
    • IPv6

MAC Address:

  • A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment.

  • MAC addresses are used as a network address for most IEEE 802 network technologies, including Ethernet and Wi-Fi.

Computer network:

  • A computer network is a telecommunications network which allows computers to exchange data.

  • In computer networks, networked computing devices exchange data with each other along network links (data connections).

  • The connections between nodes are established using either cable media or wireless media. The best-known computer network is the Internet.

Computer port:

  • In computer hardware, a port serves as an interface between the computer and other computers or peripheral devices

  • Computer ports have many uses, to connect a monitor, webcam, speakers, or other peripheral devices.

  • On the physical layer, a computer port is a specialized outlet on a piece of equipment to which a plug or cable connects.

DNS:

  • DNS stands for “domain name system”.
  • It is converting human-readable website name into computer-readable numerical IP addresses.

Vulnerability:

  • In computer security, vulnerability is a weakness which allows an attacker to reduce a system’s security.
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