A generation gap. Tags: 0 comments 1 likes 0 shares Share this: Jan Ho 的網絡世界 About author CCIE CCNP CCNA CCENT 教學網站 學習各種網絡知識教學，包括 Layer 2 switching，Layer 3 Routing。 3671 followers 3337 likes "https://www.jannet.hk/" View all posts