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1) why we need to divide Ethernet network

2) what suitable device to be used when 2 network created

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  • Latest Post Latest Post by bradly.spicer

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Short answer: networks are split to control traffic and risk. Segmentation reduces broadcast noise, limits faults to a smaller group of hosts, improves performance and security, and makes address management and policy enforcement simpler. In old hub-based Ethernet the goal was to reduce collision domains; on modern switched networks the main reasons are broadcast domain control, isolation (guest vs production), and routing/policy boundaries. See the concept of a broadcast domain and how VLANs are used for logical separation (Virtual LAN).

Which device to use depends on what you need between the two networks. If you only need separation, use switches with VLANs. If the two networks must communicate, you need a router or a Layer‑3 switch to route between subnets. If you need stateful inspection, NAT, VPN or detailed access rules put a firewall (or router+firewall) at the boundary. For high-throughput inter-VLAN routing prefer a multilayer switch; for small labs a basic router with two interfaces is fine.

Quick, practical checklist you can sketch on an exam or assignment:

  • pick addressing (example: 192.168.10.0/24 and 192.168.20.0/24),
  • decide VLAN vs physical separation,
  • assign switch ports to VLANs or wire separate switches,
  • give each subnet a gateway (router or L3 switch interface),
  • add firewall/NAT if Internet access is required,
  • test with ping and traceroute; check routing tables and ACLs.

To : a simple diagram plus the checklist above shows you understand the why and how. To , and : the steps above give a concise, practical answer that should help someone show effort and understanding.

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Google my friend

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Do you have any idea of what the answers may be so at the very least you can say that you tried?

This site is about collaboration; its not about doing your homework, assignments or exams.

There are plenty of people here willing to help you if you at least attempt to do it on your own.

Member Avatar for bradly.spicer

Another student who left it last minute

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