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.