ict ois model quiz

what are the 7 osi layers?

• application. presentation, session, transport, network, data link, physical

• A, B, C, D, E, F, G
• Windows, Mac, Linux, iOS, Android, Unix, DOS
• Word, Excel, PowerPoint, Outlook, Access, Publisher, OneNote

what is the function for application layer?

• to allow access to network resources.

• Perform data encryption
• Manage network connections
• Control hardware devices

what is the function for presentation layer?

• Encrypting data for secure storage
• to translate, encrypt, and compress data

• Sending data to the transport layer for transmission
• Converting data into machine-readable format

what is the function for session layer?

• to establish, manage, and terminate session.

• Routing data to its destination
• Encrypting and decrypting data
• Transmitting data over the network

what is the function for transport layer?

• To manage the user interface for data communication
• To provide physical connection between devices
• to provide reliable process to process message delivery and error recovery.

• To encrypt data during transmission

what is the function for network layer?

• to move packets from source to destination ; to provide internetworking.

• Firewall
• Encryption
• Switching

what is the function for data link layer?

• to organize bits into frames ; to provide hop to hop delivery.

• To process and transmit data over the network
• To encrypt and decrypt data packets
• To manage the physical connection between devices

what is the function for physical layer?

• to transmit bits over a medium ; to provide mechanical and electrical specifications.

• Encrypting data for secure communication
• Routing data between different networks
• Encoding data into packets for transmission