lock01menu_bookTCP va UDP — ikki xil "gaplashish" usuli+20 XP
lock02menu_bookTarmoq Namespace'lari — izolyatsiyalangan "tarmoq xonalari"+20 XP
lock03menu_bookVLAN va Bridging+20 XP
lock04menu_bookRouting va Policy Routing+20 XP
lock05menu_bookDNS yozuv turlari (A, AAAA, CNAME, MX, TXT)+20 XP
lock06menu_bookShifrlangan DNS: DoH va DoT+20 XP
lock07menu_bookO'z DNS serveringiz — BIND9 bilan lokal "telefon kitobi"+20 XP
lock08menu_bookYuk Balanslash Algoritmlari+20 XP