Question 1mediumdrag order
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Quick Answer
The correct order is: first, create the ACL with permit/deny statements; second, verify the ACL syntax with show access-list; third, apply it inbound on the interface; fourth, verify the interface configuration with show ip interface; fifth, test connectivity with ping or traceroute. This sequence is essential because an extended IPv4 ACL must be built and validated for correct logic before it is attached to an interface, as applying an untested ACL can inadvertently block desired traffic or permit unwanted traffic. On the Cisco CCNP ENARSI 300-410 exam, this drag-and-drop task tests your understanding of the operational workflow for applying and verifying an extended IPv4 ACL, a common configuration step in troubleshooting complex routing environments. A frequent trap is attempting to apply the ACL to the interface before verifying its syntax, or forgetting that inbound application requires the ACL to evaluate traffic as it enters the interface. To remember the order, use the mnemonic “Create, Check, Apply, Inspect, Test” — or simply “CC-AIT” — ensuring you never skip the verification steps that separate a working ACL from a network outage.
300-410 IPv4 Access Control Lists Practice Question
This 300-410 practice question tests your understanding of ipv4 access control lists. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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 apply and verify an extended IPv4 ACL on a router interface into the correct order, from first to last.
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"first"Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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
✓
Configure extended ACL with permit and deny entries
The correct order is: first, create the ACL with permit/deny statements; second, verify the ACL syntax with show access-list; third, apply it inbound on the interface; fourth, verify the interface configuration with show ip interface; fifth, test connectivity with ping or traceroute.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
- Standard ACLs match source addresses.
- Extended ACLs can match source, destination, protocol and ports.
- The first matching ACL entry is used.
- There is usually an implicit deny at the end.
TExam Day Tips
- Check inbound versus outbound direction.
- Read the ACL from top to bottom.
- Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Real-world example
How this comes up in practice
A security administrator must allow nursing staff to reach a patient records server while blocking access from the guest Wi-Fi VLAN. After applying an extended ACL, traffic is still blocked from nursing workstations. The ACL was applied outbound instead of inbound on the wrong interface. Questions like this test ACL direction and placement rules.
What to study next
Got this wrong? Here's your next step.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related 300-410 ACL questions on filtering logic and placement.
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IPv4 Access Control Lists — study guide chapter
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IPv4 Access Control Lists practice questions
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FAQ
Questions learners often ask
What does this 300-410 question test?
IPv4 Access Control Lists — This question tests IPv4 Access Control Lists — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Configure extended ACL with permit and deny entries — The correct order is: first, create the ACL with permit/deny statements; second, verify the ACL syntax with show access-list; third, apply it inbound on the interface; fourth, verify the interface configuration with show ip interface; fifth, test connectivity with ping or traceroute.
What should I do if I get this 300-410 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related 300-410 ACL questions on filtering logic and placement.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Standard ACLs match source addresses.
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Last reviewed: Jun 18, 2026
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