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Cloud guide DNS, knowledge popularization and classroom notes
2022-07-06 00:32:00 【South wind ~ ancient grass】
1、DNS(Domain Name System, The domain name system ): The only address IP. The domain name and IP Address mapping
2、 The client sends a request to DNS The server , Get according to the domain name IP Address . The client will then according to IP The address corresponds to IP The server sends the request , After receiving the request, the server returns data to the client .
adopt DNS The mapping of IP Connect
3、 Cloud related neighborhood vocabulary :
LaaS Infrastructure as a service (Infrastructure As A Service)
PaaS(Plat As A Service)
SaaS(Software As A Service)
4、 The cloud is a huge pool of resources , You can buy... On demand ; Clouds can be like water and electricity , The utility calculation is realized in the way of gas .
Users do not need to care about the generation and transmission of electricity , Professionals are responsible ; Pay per user . Access interface ( Socket ) Uniform specifications , And easy to get in daily life .
5、 Computer core configuration : The resolution of the 、CPU Ability to calculate , Memory disk 、 Electric quantity .
GPU: The graphics card
PDA: Handheld computer (Personal Digital Assistant)
6、NIST: National Institute of standards and Technology
National Institute of Standards and Technology
7、NAS Network attached storage (Network Attached Storage)
8、 Guiyang Dalian special line : Ten thousand trillion
9、 Cloud deployment : Public cloud ( Small and medium-sized enterprises are suitable for )、 Private cloud 、 A hybrid cloud .
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