Huawei Cert Datacom Associate-Network Technology & Device Set 6

In the OSI reference model, from the bottom to the top of the order is correct

MAC address from the 48 binary digits, usually expressed as hexadecimal numbers. Which the first-digit hexadecimal number assigned by the IEEE uniform equipment manufacturers.

Is a management agreement and provide information services for IP, the protocol message carries the IP packets network layer protocol.

Hardware address is cured in, such as MAC address, the device used to communicate with each other on the same link.

SNMP, Radius, etc. pay more attention to the transmission efficiency of the application will choose as the transport layer protocol.

Defines the standard data representation and complete data encryption, decryption, compression, decompression function is the TCP / IP model to complete.

Based on TCP as the transport protocol protocol to provide the domain name to IP address translation, allowing for decentralized management of domain resources.

() protocol for the transmission of those pages on the World Wide Web documents.

TCP / IP model, used to send and receive mail for the protocol.

() dial-up access to remote access user authentication protocol to complete the authentication, authorization and accounting functions.