Question 1mediummatching
Full question →Match each VLAN-related term to its most accurate meaning.
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mediummatchingObjective-mapped
Match each VLAN-related term to its most accurate meaning.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A common exam trap is confusing the native VLAN with the access VLAN or voice VLAN. The native VLAN specifically refers to untagged traffic on a trunk link, not the VLAN assigned to an end device or voice traffic. Another frequent mistake is assuming that a trunk port carries only one VLAN, when in fact trunks carry multiple VLANs simultaneously. Misunderstanding these distinctions can lead to incorrect VLAN configurations or troubleshooting errors in the exam scenario.
Technical deep dive
How to think about this question
VLANs (Virtual Local Area Networks) segment a physical network into multiple logical networks to improve security and reduce broadcast domains. An access VLAN is assigned to switch ports connected to end devices like computers, meaning all traffic on that port belongs to a single VLAN. Voice VLANs are specialized VLANs configured to separate voice traffic from data traffic, typically used with IP phones to prioritize voice quality and simplify QoS policies. A trunk port carries traffic for multiple VLANs simultaneously by tagging frames with VLAN identifiers using the IEEE 802.1Q standard. This tagging allows switches to maintain VLAN separation across a single physical link. The native VLAN is a special VLAN on a trunk port that carries untagged frames; by default, this is VLAN 1 on Cisco switches. Untagged traffic arriving on a trunk port is assumed to belong to the native VLAN, which helps maintain backward compatibility with devices that do not support VLAN tagging. Confusion often arises because the terms access VLAN, voice VLAN, trunk, and native VLAN all relate to VLAN handling but serve distinct purposes. Misapplying the native VLAN concept to access ports or misunderstanding that trunks carry multiple VLANs can cause configuration errors. In practical networks, correctly configuring these VLAN types ensures proper traffic segregation, voice quality, and interoperability between switches and end devices.
KKey Concepts to Remember
- An access VLAN is assigned to a switch port connected to a single end device and carries untagged traffic for that VLAN only.
- A voice VLAN separates voice traffic from data traffic on a switch port, enabling QoS and prioritization for IP phones.
- A trunk port carries traffic for multiple VLANs simultaneously by tagging frames with VLAN IDs using the 802.1Q protocol.
- The native VLAN on a trunk port carries untagged traffic and is used to maintain compatibility with devices that do not tag frames.
- Cisco switches default the native VLAN to VLAN 1 unless explicitly changed in configuration.
- Trunk ports must be configured to allow multiple VLANs, whereas access ports belong to a single VLAN and do not tag frames.
- Misunderstanding the native VLAN as an access VLAN or voice VLAN leads to VLAN misconfigurations and traffic loss.
- Voice VLANs require special switchport configurations to enable both voice and data VLANs on the same physical port.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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FAQ
Questions learners often ask
What does this 200-301 question test?
An access VLAN is assigned to a switch port connected to a single end device and carries untagged traffic for that VLAN only.
What exam trap should I watch out for?
Common exam trap: answer the scenario, not the keyword: A common exam trap is confusing the native VLAN with the access VLAN or voice VLAN. The native VLAN specifically refers to untagged traffic on a trunk link, not the VLAN assigned to an end device or voice traffic. Another frequent mistake is assuming that a trunk port carries only one VLAN, when in fact trunks carry multiple VLANs simultaneously. Misunderstanding these distinctions can lead to incorrect VLAN configurations or troubleshooting errors in the exam scenario.
What should I do if I get this 200-301 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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