This 350-601 practice question tests your understanding of 350-601 exam topics. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
A Nexus administrator wants to apply an IPv4 ACL to filter traffic on a specific VLAN. Which command is correct?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
ip access-group ACL_NAME in on VLAN interface
The correct syntax is applied to the VLAN interface.
ip access-group ACL_NAME on VLAN
Why wrong: Missing 'in' or 'out' direction.
access-list ACL_NAME in on VLAN interface
Why wrong: Incorrect command syntax.
vlan access-group ACL_NAME in
Why wrong: This is not a valid Nexus command.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
ip access-group ACL_NAME in on VLAN interface
ACLs on Nexus switches can be applied to VLANs using the 'ip access-group' command under the VLAN interface.
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
For each option: why learners choose it and why it is or isn't the right answer here.
ip access-group ACL_NAME in on VLAN interface
ip access-group ACL_NAME on VLAN
Why it's wrong here
Missing 'in' or 'out' direction.
access-list ACL_NAME in on VLAN interface
Why it's wrong here
Incorrect command syntax.
vlan access-group ACL_NAME in
Why it's wrong here
This is not a valid Nexus command.
Common exam traps
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.
Trap categories for this question
Command / output trap
Incorrect command syntax.
Detailed technical explanation
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.
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
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.
What to study next
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 350-601 questions on switching, trunking, and access-port configuration.
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FAQ
Access ports place end devices into a single VLAN.
The correct answer is: ip access-group ACL_NAME in on VLAN interface — ACLs on Nexus switches can be applied to VLANs using the 'ip access-group' command under the VLAN interface.
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 350-601 questions on switching, trunking, and access-port configuration.
Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Access ports place end devices into a single VLAN.
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Last reviewed: Jul 4, 2026
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