How many Show IP Route Output Practice Questions questions are on this page?

This page has 15 Show IP Route Output Practice Questions scenario questions for the 350-501 exam, each with detailed explanations and wrong-answer analysis.

How should I approach 350-501 scenario questions?

Read the full scenario before looking at the answer options. Identify the constraint or requirement in the scenario, then eliminate options that are generally true but wrong for this specific case. Scenario questions reward careful reading over pattern matching.

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Show IP Route Output Practice Questions

Practise Cisco SPCOR / CCNP Service Provider Core 350-501 practice questions — original exam-style scenarios covering every exam domain, with detailed explanations, wrong-answer analysis, and common exam traps.

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scenario questions

350-501

exam code

Cisco

vendor

Scenario guide

How to approach show ip route output practice questions

Practise interpreting routing-table output, route selection, administrative distance, metrics, next hops and longest-prefix match.

Quick answer

Show IP Route Output Practice Questions questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Practice scenarios

Question 1hardmultiple choice

Open the full BGP breakdown →

An SP detects a volumetric DDoS attack targeting a customer network. The SP uses Cisco's S/RTBH technique to drop attack traffic. Which action is performed by the edge routers upon receiving a BGP route with a specific community?

A
The edge router applies a BGP FlowSpec rule to rate-limit the traffic
Why wrong: FlowSpec can filter or rate-limit, but S/RTBH specifically uses a /32 null route.
B
The edge router forwards the attack traffic to a scrubbing center
Why wrong: That is DDoS diversion, not S/RTBH.
C
The edge router installs a /32 route pointing to a discard interface
The /32 route with next-hop Null0 causes traffic to be dropped.
D
The edge router sends ICMP unreachable messages to the attacker
Why wrong: S/RTBH drops traffic silently; ICMP unreachable is not generated.

Show IP Route Output Practice Questions

How to approach show ip route output practice questions

Quick answer

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Practice scenarios

An SP detects a volumetric DDoS attack targeting a customer network. The SP uses Cisco's S/RTBH technique to drop attack traffic. Which action is performed by the edge routers upon receiving a BGP route with a specific community?

An SP engineer notices that BGP routes from a CE are not being installed in the VRF routing table, although the BGP session is established. The VRF configuration includes route-target import 100:1. The CE is sending routes with RT 100:1. What is the most likely cause?

A service provider wants to provide Internet access to an MPLS L3VPN customer without leaking the Internet route into the VRF. Which feature allows the PE to forward traffic from the VRF to the global routing table?

Which LDP label distribution mode is characterized by a router advertising labels for all prefixes in its routing table to all neighbors, regardless of whether they are needed?

In BGP/MPLS IP VPN (L3VPN), which component provides customer isolation by maintaining separate routing tables per customer?

Which IS-IS TLV is used to carry Traffic Engineering (TE) information such as link bandwidth and TE metric in modern SP networks?

In IS-IS, a router is configured as L1 only. Which statement is true regarding its routing table?

An SP engineer is troubleshooting IS-IS routing. The network uses wide metrics, and some links have been configured with TE metrics. Which statement correctly describes the relationship between TE metrics and narrow metrics in IS-IS?

A service provider router receives a route with a higher specific prefix length than the same prefix in the routing table. Which route will be preferred?

Which IS-IS metric type is required for traffic engineering and segment routing?

Which IS-IS metric type supports values up to 2^24-1 and is used for traffic engineering?

In IS-IS, which metric type supports traffic engineering (TE) and is required for segment routing?

A service provider deploys uRPF on customer-facing interfaces to prevent IP spoofing. They have a multihomed customer with asymmetric routing. Which uRPF mode should be used to avoid dropping legitimate traffic?

A service provider is deploying uRPF on peering edges with multiple upstream providers and asymmetric routing. Which two statements are true about uRPF operation in this scenario? (Choose two.)