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Difficulty: MediumNetwork Hardware Devices

A network technician is provisioning hardware for a new office floor. The network design requires segmenting two departments into separate IP subnets to isolate broadcast domains and control traffic. Which of the following network hardware devices must be deployed to enable communication between these subnets and forward traffic to the Internet?

  1. RouterAnswer
  2. B
    Unmanaged Layer 2 Switch
  3. C
    DHCP Server
  4. D
    Wireless Access Point in Repeater Mode

Answer

A router is required to connect and route traffic between different IP subnets and manage communication with external networks.
A router is a Layer 3 network device that connects separate logical networks (subnets) and routes data packets between them using logical IP addresses. It also serves as the default gateway to forward traffic destined for external networks such as the Internet.

Step-by-Step Solution

1
Identify the primary network requirement described in the scenario
The requirement is to interconnect two separate IP subnets and enable external Internet access.
Subnetting creates distinct Layer 3 network boundaries that require a Layer 3 routing mechanism to communicate.
2
Evaluate candidate hardware devices based on OSI layer capabilities
Layer 2 switches only switch frames within the same subnet. DHCP servers handle address leasing. Wireless repeaters extend wireless signals. Only a router operates at Layer 3 to inspect IP destinations and forward traffic between logical subnets.
Routing decisions between logical IP networks require a Layer 3 device.

Key Concept

Layer 3 Routing and Network Boundaries
Estimated Time:1m 0s
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Topics

Network Hardware Devices

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