The correct answer is that routes matching ACL 10 are redistributed with metric 50, routes matching ACL 20 are denied, and all other routes are also denied. This is because a route-map applied to redistribution uses an implicit deny at the end, meaning any route that does not match a permit sequence is automatically blocked. Sequence 10 explicitly permits and sets the metric, while sequence 20 explicitly denies, so only ACL 10 traffic passes through. On the Cisco CCNP ENARSI 300-410 exam, this tests your understanding of route-map redistribution logic and the critical default behavior: without a final permit statement, everything not matched is dropped. A common trap is assuming unmatched routes are permitted by default—they are not. Remember the mnemonic: “Permit to pass, deny to drop, implicit deny stops the shop.”
300-410 Device Management Practice Question
This 300-410 practice question tests your understanding of device management. 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.
A network engineer runs the following command on Router R1:
R1# show route-map TEST
route-map TEST, permit, sequence 10
Match clauses:
ip address (access-lists): 10
Set clauses:
metric 50
route-map TEST, deny, sequence 20
Match clauses:
ip address (access-lists): 20
Set clauses:
Based on this output, what is the effect of this route-map when applied to a redistribution command?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Routes matching ACL 10 are redistributed with metric 50; routes matching ACL 20 are denied; all other routes are also denied.
The route-map has two sequences: sequence 10 permits routes matching ACL 10 and sets metric to 50; sequence 20 denies routes matching ACL 20. Routes not matching any sequence are implicitly denied. The correct answer is that routes matching ACL 10 are redistributed with metric 50, those matching ACL 20 are not redistributed, and all others are also not redistributed.
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.
✗
All routes are redistributed with metric 50.
Why it's wrong here
Only routes matching ACL 10 get metric 50; others are denied.
✓
Routes matching ACL 10 are redistributed with metric 50; routes matching ACL 20 are denied; all other routes are also denied.
Why this is correct
This matches the route-map logic.
Related concept
Standard ACLs match source addresses.
✗
Routes matching ACL 20 are redistributed with default metric.
Why it's wrong here
Sequence 20 is deny, so those routes are not redistributed.
✗
The route-map has no effect because set clauses are missing in sequence 20.
Why it's wrong here
The deny action still prevents redistribution.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 300-410 question in full detail.
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.
Device Management — This question tests Device Management — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Routes matching ACL 10 are redistributed with metric 50; routes matching ACL 20 are denied; all other routes are also denied. — The route-map has two sequences: sequence 10 permits routes matching ACL 10 and sets metric to 50; sequence 20 denies routes matching ACL 20. Routes not matching any sequence are implicitly denied. The correct answer is that routes matching ACL 10 are redistributed with metric 50, those matching ACL 20 are not redistributed, and all others are also not redistributed.
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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