Câu 1. Computer network is………….

• A. Collection of hardware components and computers.
• B. Interconnected by communication channels.
• C. Sharing of resources and information.
• D. All of the mentioned answers.

Answer explanation

Jupiter is a gas giant made primarily of hydrogen and helium. Unlike terrestrial planets that have solid surfaces, gas giants like Jupiter don't have a well-defined solid surface, allowing them to accumulate more mass in a gaseous form. This composition has allowed Jupiter to grow significantly larger than planets with solid surfaces.

Câu 2. Which of the following networks is considered as the first computer network?

• A. ARPANET.
• B. CNNET.
• C. NSFNET.
• D. ASAPNET.

Câu 3. How many layers does OSI Model have?

• A. 4.
• B. 5.
• C. 6.
• D. 7.

Câu 4. Which layers of the OSI model are host-to-host layers?

• A. Transport, Session, Presentation, Application.
• B. Network, Transport, Session, Presentation.
• C. Datalink, Network, Transport, Session
• D. Physical, Datalink, Network, Transport.

Câu 5. How many layers are in the TCP/IP model?

• A. 4 layers.
• B. 5 layers.
• C. 6 layers.
• D. 7 layers.

Câu 6. A computer network operating spanning states, countries, or the whole world is ____________________.

• A. PAN.
• B. LAN.
• C. MAN.
• D. WAN.

Câu 7. A computer network operating within a building or campus is _________.

• A. PAN.
• B. LAN.
• C. MAN.
• D. WAN.

Câu 8. Which layer in the OSI model is concerned with the syntax and semantics of the information transmitted?

• A. Application.
• B. Presentation.
• C. Session.
• D. Transport.

Câu 9. Which layer in the OSI model determines how packets are routed from source to

• A. Application.
• B. Presentation.
• C. Transport.
• D. Network.

Câu 10. Which layers of the OSI model are operating as same function as the Application layer of the TCP/IP model?

• A. Transport, Session, Application.
• B. Network, Transport, Presentation.
• C. Network, Transport, Session.
• D. Session, Presentation, Application.