- A
show policy-map control-plane
This command displays the CoPP policy applied to the control plane and per-class packet counters, essential for verifying CoPP operation.
- B
show control-plane host open-ports
This command shows open ports on the control plane and the CoPP class map associated with each port, useful for verifying CoPP coverage.
- C
show ip interface brief
Why wrong: This command shows interface IP addresses and status, not CoPP statistics or configuration.
- D
show access-lists
Why wrong: This command shows ACL hit counts but does not provide CoPP-specific per-class packet statistics or policy verification.
- E
show running-config | section policy-map
Why wrong: This command displays the CoPP policy configuration, but not operational statistics or current packet counts.
300-410 Control Plane Policing (CoPP) Practice Question
This 300-410 practice question tests your understanding of control plane policing (copp). 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.
Which TWO commands verify the operational status and packet statistics of a Control Plane Policing (CoPP) policy on a Cisco IOS-XE device? (Choose TWO.)
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
show policy-map control-plane
The 'show policy-map control-plane' command displays per-class packet statistics (conform/exceed/violate) for the CoPP policy applied to the control plane. The 'show control-plane host open-ports' command lists listening ports and their associated CoPP class maps, aiding in verification. 'show ip interface brief' shows interface status, not CoPP. 'show access-lists' only shows ACL hit counts, not full CoPP statistics. 'show running-config | section policy-map' shows configuration but not operational statistics.
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.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
show policy-map control-plane
Why this is correct
This command displays the CoPP policy applied to the control plane and per-class packet counters, essential for verifying CoPP operation.
Related concept
Standard ACLs match source addresses.
- ✓
show control-plane host open-ports
Why this is correct
This command shows open ports on the control plane and the CoPP class map associated with each port, useful for verifying CoPP coverage.
Related concept
Standard ACLs match source addresses.
- ✗
show ip interface brief
Why it's wrong here
This command shows interface IP addresses and status, not CoPP statistics or configuration.
- ✗
show access-lists
Why it's wrong here
This command shows ACL hit counts but does not provide CoPP-specific per-class packet statistics or policy verification.
- ✗
show running-config | section policy-map
Why it's wrong here
This command displays the CoPP policy configuration, but not operational statistics or current packet counts.
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.
Trap categories for this question
Command / output trap
This command shows interface IP addresses and status, not CoPP statistics or configuration.
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.
- →
Control Plane Policing (CoPP) — study guide chapter
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Control Plane Policing (CoPP) practice questions
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FAQ
Questions learners often ask
What does this 300-410 question test?
Control Plane Policing (CoPP) — This question tests Control Plane Policing (CoPP) — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: show policy-map control-plane — The 'show policy-map control-plane' command displays per-class packet statistics (conform/exceed/violate) for the CoPP policy applied to the control plane. The 'show control-plane host open-ports' command lists listening ports and their associated CoPP class maps, aiding in verification. 'show ip interface brief' shows interface status, not CoPP. 'show access-lists' only shows ACL hit counts, not full CoPP statistics. 'show running-config | section policy-map' shows configuration but not operational statistics.
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.
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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