Answer:
1. Internet service provider (ISP)
2. Protocols.
Explanation:
Individuals connect to the Internet through an Internet service provider (ISP) allowing them access to the system. An ISP is a telecommunication company that provides internet services for other internet providers i.e they act as a backbone.
The rules on the Internet for how messages are addressed and passed on are called protocols.
A protocol can be defined as a standard set of rules established by the regulatory agencies to determine how data are transmitted from one network device to another.
Generally, the standard Internet communications protocols which allow digital computers to transfer (prepare and forward) data over long distances is the TCP/IP suite.
For this one I would say C.) Work Breakdown Structure
In computer science, a list or sequence is an abstract data type that represents a countable number of ordered values, where the same value may occur more than once.
A graph is an abstract data type that is meant to implement the undirected graph and directed graph concepts from mathematics.
A table is a collection of related data held in a structured format within a database. It consists of columns and rows.
A chart, also called a graph, is a graphical representation of data, in which "the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart.