What is a data model?
Correct answer: A. A logical representation of the structure of the database
- A. A logical representation of the structure of the database
- B. Shown as an entity relationship diagram
- C. Transformed into tables and relationships
- D. All of the above
Explanation
A logical representation of the structure of the database is correct. A data model is a blueprint that defines how data is organized within a database. It specifies the entities (data objects), their attributes (data points), and the relationships between them.
Last updated
About Networking and Internet
Networking covers LAN, MAN, WAN and wireless networks, network topologies, transmission media, devices such as switches, routers and modems, and the OSI and TCP/IP models. Internet concepts include IP addresses, DNS, URLs, web browsers, email, protocols such as HTTP, HTTPS, FTP and SMTP, and basic network security.
Practise Networking and Internet
452 free Networking and Internet MCQs from Computer Science and IT, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Computer Science and IT questions like this
Computer Science and IT is on 78 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.