An organization wants to segment its network so that IoT devices, guest users, VoIP phones, and corporate...

Question

An organization wants to segment its network so that IoT devices, guest users, VoIP phones, and corporate workstations are isolated from each other while using a single physical switch infrastructure. Which switch feature enables logical separation of these four device types on the same physical switch without requiring four separate physical switches?

Accepted Answer

VLANs (Virtual Local Area Networks) per IEEE 802.1Q: each device type is assigned to a separate VLAN (e.g., VLAN 10 corporate, VLAN 20 VoIP, VLAN 30 IoT, VLAN 40 guest), which creates separate broadcast domains on one physical switch

Answer

STP (Spanning Tree Protocol) instance per device type provides the required logical separation

Answer

Port mirroring (SPAN) on each switch port isolates the four device types into separate monitoring streams; a repeater reads the destination IP of each packet before amplifying the signal. SFP transceivers convert optical signals to Wi-Fi for last-meter delivery

Answer

MAC-based QoS policies on each port isolate traffic from different device types at Layer 2, because a class map keyed on the hardware address then drops frames that cross between groups before the switch forwards them out of the port

Which switch feature enables logical separation of these four device types on the same physical switch without requiring four separate physical switches?

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Which switch feature enables logical separation of these four device types on the same physical switch without requiring four separate physical switches?

Where this fits in the Network Fundamentals exam

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