What NOT to Do in the 롤강의 Industry
https://www.evernote.com/shard/s441/sh/88de393f-9217-4a41-834b-febe0cc475ef/0b681b1ece0b589aef7f13156ad3158e
Not only is your CCNA Examination gonna have issues on VLAN trunking protocol, Pretty much any community which has multiple VLAN will probably have VTP running.