- A
Create VLAN object, then assign Layer 2 interfaces to VLAN, then configure IP address on VLAN interface, then create security policy, then commit
This is the correct order because you must first create the VLAN, then assign interfaces to it, then assign an IP to the VLAN interface, then create a security policy to permit traffic, and finally commit the changes.
- B
Create VLAN object, then configure IP address on VLAN interface, then assign Layer 2 interfaces to VLAN, then create security policy, then commit
Why wrong: This is incorrect because you cannot configure an IP address on a VLAN interface before assigning interfaces to the VLAN; the VLAN interface is not fully created until interfaces are assigned.
- C
Create security policy, then create VLAN object, then assign Layer 2 interfaces to VLAN, then configure IP address on VLAN interface, then commit
Why wrong: This is incorrect because you cannot create a security policy before the VLAN interface exists; the security policy references the VLAN interface, which must be created first.
- D
Create VLAN object, then assign Layer 2 interfaces to VLAN, then configure IP address on VLAN interface, then commit, then create security policy
Why wrong: This is incorrect because committing before creating a security policy would leave the VLAN interface unprotected; you must create the security policy before committing to ensure traffic is allowed.
PCNSA Managing Objects Practice Question
This PCNSA practice question tests your understanding of managing objects. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Drag and drop the steps to configure a VLAN interface on a Palo Alto Networks firewall into the correct order.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Create VLAN object, then assign Layer 2 interfaces to VLAN, then configure IP address on VLAN interface, then create security policy, then commit
VLAN interface setup involves creating VLAN, assigning interfaces, IP address, security policy, and commit.
Key principle: A trunk being up does not mean the VLAN is allowed across it. Always verify the allowed VLAN list and whether the VLAN exists on both switches.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Create VLAN object, then assign Layer 2 interfaces to VLAN, then configure IP address on VLAN interface, then create security policy, then commit
Why this is correct
This is the correct order because you must first create the VLAN, then assign interfaces to it, then assign an IP to the VLAN interface, then create a security policy to permit traffic, and finally commit the changes.
Related concept
Access ports place end devices into a single VLAN.
- ✗
Create VLAN object, then configure IP address on VLAN interface, then assign Layer 2 interfaces to VLAN, then create security policy, then commit
Why it's wrong here
This is incorrect because you cannot configure an IP address on a VLAN interface before assigning interfaces to the VLAN; the VLAN interface is not fully created until interfaces are assigned.
- ✗
Create security policy, then create VLAN object, then assign Layer 2 interfaces to VLAN, then configure IP address on VLAN interface, then commit
Why it's wrong here
This is incorrect because you cannot create a security policy before the VLAN interface exists; the security policy references the VLAN interface, which must be created first.
- ✗
Create VLAN object, then assign Layer 2 interfaces to VLAN, then configure IP address on VLAN interface, then commit, then create security policy
Why it's wrong here
This is incorrect because committing before creating a security policy would leave the VLAN interface unprotected; you must create the security policy before committing to ensure traffic is allowed.
Common exam traps
Common exam trap: an active trunk can still block the VLAN you need
A trunk being up does not prove every VLAN is crossing it. Check allowed VLAN lists, native VLAN mismatch, VLAN existence and access-port assignment.
Detailed technical explanation
How to think about this question
VLAN questions usually combine access-port and trunking clues. The key is to identify whether the issue is local to one switchport, caused by the trunk, or caused by the VLAN not existing where it needs to exist.
KKey Concepts to Remember
- Access ports place end devices into a single VLAN.
- Trunk ports carry multiple VLANs between switches.
- Allowed VLAN lists decide which VLANs can cross a trunk.
- Native VLAN mismatch can create confusing symptoms.
TExam Day Tips
- Use show vlan brief to verify access VLANs.
- Use show interfaces trunk to verify trunk state and allowed VLANs.
- Do not treat every same-VLAN issue as a routing problem.
Key takeaway
A trunk being up does not mean the VLAN is allowed across it. Always verify the allowed VLAN list and whether the VLAN exists on both switches.
Real-world example
How this comes up in practice
A help-desk technician troubleshoots why a newly connected PC cannot reach shared printers on the same floor. The cable is good, the switch port is active, but the PC is in VLAN 20 and the printers are in VLAN 10. The uplink trunk only allows VLAN 10. A trunk being up does not mean every VLAN crosses it.
Visual reference
What to study next
Got this wrong? Here's your next step.
Review VLAN allowed lists, native VLAN mismatch detection, and how to verify VLAN membership with show vlan brief and show interfaces trunk. Then practise related PCNSA questions on switching, trunking, and access-port configuration.
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FAQ
Questions learners often ask
What does this PCNSA question test?
Managing Objects — This question tests Managing Objects — Access ports place end devices into a single VLAN..
What is the correct answer to this question?
The correct answer is: Create VLAN object, then assign Layer 2 interfaces to VLAN, then configure IP address on VLAN interface, then create security policy, then commit — VLAN interface setup involves creating VLAN, assigning interfaces, IP address, security policy, and commit.
What should I do if I get this PCNSA question wrong?
Review VLAN allowed lists, native VLAN mismatch detection, and how to verify VLAN membership with show vlan brief and show interfaces trunk. Then practise related PCNSA questions on switching, trunking, and access-port configuration.
What is the key concept behind this question?
Access ports place end devices into a single VLAN.
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Last reviewed: Jun 11, 2026
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