【old】は以前noteにまとめていたメモを引っ越してきたもの
【ゆる募】は調べてもわからなくて保留にしているもの
1.0 Network Infrastructure
2.0 Software-Defined Infrastructure
2.1 Cisco SD-Access
2.2 Cisco SD-WAN
3.0 Transport Technologies and Solutions
3.1 Static point-to-point GRE tunnels
4.0 Infrastructure Security and Services
4.1 Device security on Cisco IOS XE
4.7 Network operations
5.0 Infrastructure Automation and Programmability
5.1 Data encoding formats
5.2 Automation and scripting
5.3 Programmability