AZ-90060 min
How networks talk: protocols, ports, DNS, routing and firewalls
الشبكات بتتكلم إزاي: البروتوكولات والبورتات والـ DNS والـ Routing والـ Firewalls
What you will be able to do
- Describe the TCP/IP layers and how a packet is built.
- Compare TCP and UDP and recognize the most important ports.
- Explain how DNS resolves a name and the common record types.
- Explain routing, the default gateway, longest-prefix match and NAT.
- Describe stateful firewalls and layer-4 vs layer-7 load balancing.
- Explain VPN and private connectivity options and use a troubleshooting ladder.
What is inside
- How data travels: layers and packetsالبيانات بتسافر إزاي: الطبقات والـ Packets
- TCP, UDP and the ports every admin must knowالـ TCP والـ UDP والبورتات اللي لازم أي Admin يعرفها
- DNS: the internet's phone bookالـ DNS: دليل تليفونات الإنترنت
- Routing, the default gateway and NATالـ Routing والـ Default gateway والـ NAT
- Firewalls and load balancingالـ Firewalls والـ Load balancing
- Connecting networks and a troubleshooting ladderربط الشبكات وسلم حل المشاكل