Answer:
Logical Data Model
Explanation:
An Entity Relationship Diagram (ERD) is a model or a diagram designed to reveal the relationship between various entities such as people, places, objects, and so on within an institution. Entity relationship diagram is also known as Entity relationship model. This model is used to design relational database by various sectors such as education, engineering, business, etc.
<u>ERD is designed using conceptual data model, logical data model, and physical data model</u>.
The visual practice or model that gives more insight into the logical relations among the entity is the logical data model.
The logical data model is used to illustrate more detailed operational and relational data among the entities. It is more detailed than the conceptual data.
So, the correct answer is logical data model.
Answer: Y2K bug, also called Year 2000 bug or Millennium Bug
Answer:
To create a redundant computer network, The star network topology is adopted.
Explanation:
Note that topology is not a type of network but a top view of how the network looks like or is connected.
To make a network redundant, interconnect every computer to one another in the network, so even when a line or an ethernet cable ( the connector) makes, there is no loss of connection.
This form of network is not recommended for large computer networks as it would result in confusion due to excess connection cables running in the network.
