(Part 1) Network Model

What is the main objective of a computer network?

• To play online games

• To transfer data from sender to receiver

• To watch movies online

• To listen to music online

What is the purpose of the OSI Model?

• To allow systems with different platforms to communicate with each other

• To develop mobile applications

• To create video games

• To design computer hardware

How many layers does the OSI Model have?

• Five layers

• Four layers

• Six layers

• Seven layers

What is the function of each layer in the OSI Model?

• Each layer is responsible for playing music

• Each layer has specific duties to perform and has to co-operate with the layers above and below it

• Each layer has the same function

• Each layer is responsible for cooking food

What is the process of sending a letter through postal mail similar to in the OSI Model?

• Sending emails

• Downloading files from the internet

• Making phone calls

• Encapsulation of data

What is the organization that developed the OSI Model?

• IEEE

• ISO

• IETF

• ICANN

What is the purpose of the TCP/IP Protocol Suite?

• To enable communication between devices on a network

• To design computer hardware

• To create video games

• To allow systems with different platforms to communicate with each other

What are the names for data at each layer of the OSI Model?

• Data 1, Data 2, Data 3, Data 4

• Data A, Data B, Data C, Data D

• Data X, Data Y, Data Z, Data W

• Data PDU, Data SDU, Data TDU, Data RDU

What is the process of communication between peer layers at the source and destination in the OSI Model called?

• Peer-to-peer communication

• Server-client communication

• Multicast communication

• Broadcast communication

What is the main objective of a computer network?

• To watch movies online

• To play online games

• To transfer data from sender to receiver

• To listen to music online