Question 1,982 of 2,152

Policy-Based Routing (PBR) →mediumMultiple ChoiceObjective-mapped

300-410 Policy-Based Routing (PBR) Practice Question

This 300-410 practice question tests your understanding of policy-based routing (pbr). The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 ip policy
Interface     Route-map

GigabitEthernet0/0 PBR-VOICE

R1# show route-map PBR-VOICE

route-map PBR-VOICE, permit, sequence 10 Match clauses:

ip address (access-lists): 130

Set clauses:

ip next-hop 192.168.10.1

Policy routing matches: 0 packets, 0 bytes

R1# show access-lists 130

Extended IP access list 130

10 permit udp any any range 16384 32767

R1# show interfaces GigabitEthernet0/0

GigabitEthernet0/0 is up, line protocol is up Internet address is 10.1.1.1/24

R1# show ip route 192.168.10.1

% Network not in routing table

Based on this output, what is the most likely problem?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

Question 1mediummultiple choice

Review the full routing breakdown →

A
The access list 130 is not matching any traffic.
Why wrong: While possible, the missing route is a more direct problem.
B
The next-hop 192.168.10.1 is not reachable.
The show ip route output indicates the network is not in the routing table, so the next-hop is unreachable, causing PBR to fail to apply the set clause.
C
The interface GigabitEthernet0/0 is down.
Why wrong: The show interfaces output shows it is up.
D
The route map is missing a permit statement.
Why wrong: The route map has a permit statement.

Full breakdown with real-world context →

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

✓

The next-hop 192.168.10.1 is not reachable.

The next-hop 192.168.10.1 is not in the routing table. For PBR to forward packets to a next-hop, that next-hop must be reachable (in the routing table). If it is not, packets that match the route map are forwarded using the normal routing table instead. The zero matches could be because no traffic matching ACL 130 has arrived, or because the next-hop is missing, but the missing route is a clear issue.

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.

✗
The access list 130 is not matching any traffic.
Why it's wrong here
While possible, the missing route is a more direct problem.
✓
The next-hop 192.168.10.1 is not reachable.
Why this is correct
The show ip route output indicates the network is not in the routing table, so the next-hop is unreachable, causing PBR to fail to apply the set clause.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Standard ACLs match source addresses.
✗
The interface GigabitEthernet0/0 is down.
Why it's wrong here
The show interfaces output shows it is up.
✗
The route map is missing a permit statement.
Why it's wrong here
The route map has a permit 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.

Trap categories for this question

Command / output trap
The show interfaces output shows it is up.

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.

Related 300-410 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

Layer 3 Technologies practice questions

Practise 300-410 questions linked to Layer 3 Technologies.

EIGRP Troubleshooting practice questions

Practise 300-410 questions linked to EIGRP Troubleshooting.

OSPF Troubleshooting (v2/v3) practice questions

Practise 300-410 questions linked to OSPF Troubleshooting (v2/v3).

BGP Troubleshooting practice questions

Practise 300-410 questions linked to BGP Troubleshooting.

Route Redistribution practice questions

Practise 300-410 questions linked to Route Redistribution.

Policy-Based Routing (PBR) practice questions

Practise 300-410 questions linked to Policy-Based Routing (PBR).

VRF-Lite practice questions

Practise 300-410 questions linked to VRF-Lite.

Route Maps and Route Filtering practice questions

Practise 300-410 questions linked to Route Maps and Route Filtering.

Administrative Distance practice questions

Practise 300-410 questions linked to Administrative Distance.

Route Summarization practice questions

Practise 300-410 questions linked to Route Summarization.

Bidirectional Forwarding Detection (BFD) practice questions

Practise 300-410 questions linked to Bidirectional Forwarding Detection (BFD).

VPN Technologies practice questions

Practise 300-410 questions linked to VPN Technologies.

Practice this exam

Start a free 300-410 practice session

Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.

10 questions 20 questions 30 questions 50 questions Timed 30

300-410 practice-test guide →Study guide →Browse all practice tests

FAQ

Questions learners often ask

What does this 300-410 question test?

Policy-Based Routing (PBR) — This question tests Policy-Based Routing (PBR) — Standard ACLs match source addresses..

What is the correct answer to this question?

The correct answer is: The next-hop 192.168.10.1 is not reachable. — The next-hop 192.168.10.1 is not in the routing table. For PBR to forward packets to a next-hop, that next-hop must be reachable (in the routing table). If it is not, packets that match the route map are forwarded using the normal routing table instead. The zero matches could be because no traffic matching ACL 130 has arrived, or because the next-hop is missing, but the missing route is a clear issue.

What should I do if I get this 300-410 question wrong?

Are there clue words in this question I should notice?

Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Standard ACLs match source addresses.

About these practice questions

Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →

How Courseiva writes practice questions · Editorial policy

Keep practising

Question Discussion

Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.

Loading comments…

This 300-410 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 300-410 exam.