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What is the lowest data model?

The lowest data model is the physical data model. It represents how data is stored on a specific type of hardware and helps optimize storage and retrieval. It is the closest to the physical implementation in a database system.


What is the data modeler?

Physical Data Model


Which two layers of the OSI model have the same functions as the TCP model network layer?

physical & data link layers


In which two layers of the osi model do NIC's belong?

NIC's can perform in the Data Link Layer of the OSI model. However, they can also perform services in the Physical Layer.(Network+ Guide to Networking Answer)Physical and Data Link layers


Define data models and list different types of data models?

A data model is a collection of concepts that can be used to describe the structure of a database and provides the necessary means to achieve this abstraction whereas structure of a database means the data types,relationships and constraints that should hold on the data. Data model are divided into three different groups they are 1)object based logical model 2)record based logical models 3)physical models Types: Entity-Relationship (E-R) Data Model Object-Oriented Data Model Physical Data Model functional data model


What are the Classification of data model?

Data models can be classified into three main categories: conceptual data model (high-level view of the data and its relationships), logical data model (detailed structure of the data and relationships), and physical data model (implementation of the database design on a specific database management system).


Which layer of the OSI model is primarily concerned with accessing the physical media and physical addressing?

Data Link


The what layer in the OSI model arranges data into packets whereas the what layer prepares data for physical transmission?

network data-link


Which two layers of the osi model have the same functions as the tcp model network access layer?

Physical Data Link


Which two layers of the osi model have the same function as the TCPIP?

physical and data link


Cable modems operate at the physical and what other layers of the OSI Model?

Answer: Data Link


What layer of the OSI model routes data different lLANs and WANs based on network addresses?

Physical Layer of OSI model