H31-341_V2.5 · Question #754
When configuring i Ethernet Layer 2 attributes, when the "TAG ID" is set to "Accese" or "Hybrid", you need to set the "Default VLAN ID" and "VLAN Priority" of untagged frames. "VLAN Priority" should…
The correct answer is A. True. Option A is correct because when a port is configured in Access or Hybrid mode, untagged frames entering the switch have no VLAN information embedded in them - so the switch must assign a Default VLAN ID to classify that traffic and a VLAN Priority to determine its QoS…
Question
When configuring i Ethernet Layer 2 attributes, when the "TAG ID" is set to "Accese" or "Hybrid", you need to set the "Default VLAN ID" and "VLAN Priority" of untagged frames. "VLAN Priority" should be set according to the unified QoS plan.
Options
- ATrue
- BFalse
How the community answered
(39 responses)- A72% (28)
- B28% (11)
Explanation
Option A is correct because when a port is configured in Access or Hybrid mode, untagged frames entering the switch have no VLAN information embedded in them - so the switch must assign a Default VLAN ID to classify that traffic and a VLAN Priority to determine its QoS treatment before forwarding. The "VLAN Priority" must align with the network's unified QoS plan to ensure consistent traffic prioritization across all devices.
Option B is incorrect because skipping these settings would leave the switch unable to properly classify untagged frames, resulting in traffic being dropped or misrouted - both Access and Hybrid modes explicitly require this configuration for untagged traffic handling.
Memory tip: Think of it as giving an anonymous letter a return address and a priority stamp - Access/Hybrid ports must "label" untagged frames with a VLAN ID (the address) and a priority (the stamp) before the network can process them correctly.
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