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300-410 Practice Question: Configures IP SLA tracking for a static route on…
A network engineer configures IP SLA tracking for a static route on a Cisco router. The IP SLA operation is configured with a threshold of 100 ms and a timeout of 5000 ms. The tracked object is configured with a delay of 5 seconds for both up and down transitions. The engineer notices that when the remote host becomes unreachable, the static route is not removed from the routing table immediately. Which is the most likely explanation?
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 tracked object delay of 5 seconds for down transition causes a 5-second wait before the route is removed.
The IP SLA tracking delay configuration introduces a delay before the tracked object changes state; this is designed to prevent route flapping but can cause the static route to remain in the routing table for the configured delay period after the IP SLA operation fails.
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 IP SLA operation is still in the 'pending' state and has not yet timed out.
Why it's wrong here
The timeout of 5000 ms is much longer than the delay; the operation would have timed out before the delay expires.
- ✓
The tracked object delay of 5 seconds for down transition causes a 5-second wait before the route is removed.
Why this is correct
The delay down command in the tracked object introduces a hold-down period before the object state changes, so the route remains for that duration.
- ✗
The static route has a higher administrative distance than the IP SLA tracked route, so it remains preferred.
Why it's wrong here
The tracked static route is the same route; the tracking only removes it if the object goes down.
- ✗
The IP SLA operation is configured with a frequency that is too low, causing a delay in detection.
Why it's wrong here
The IP SLA frequency controls how often probes are sent, but the scenario’s delay is caused by the tracked object’s 5-second up/down delay, not by probe spacing. A low frequency would delay detection only if the interval between probes exceeded the 5-second delay, which is not indicated. This option is tempting because adjusting frequency is a common method to tune responsiveness in IP SLA, and it would be correct if the delay stemmed from infrequent probing rather than the explicit hold-down timer configured on the tracked object.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.