hardMultiple ChoiceObjective-mapped
300-410 Practice Question: Runs the following command on Router R1: R1# show…
A network engineer runs the following command on Router R1:
R1# show ip sla statistics 4
Round Trip Time (RTT) for Index 4 Latest RTT: 300 ms Latest RTT (milliseconds): 300 Latest RTT (microseconds): 300000 Number of successes: 45 Number of failures: 55 Operation time to live: Forever Output: Over threshold
R1# show track 2 Track 2 IP SLA 4 reachability
Reachability is Down 5 changes, last change 00:00:05 Latest operation return code: Over threshold Latest RTT (milliseconds): 300
Tracked by:
ip route 0.0.0.0 0.0.0.0 192.168.2.1 track 2Based on this output, which statement is correct?
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 IP SLA threshold has been exceeded, causing the track to go down and the static route to be removed.
The track shows 'Down' because the IP SLA return code is 'Over threshold'. This means the threshold was exceeded, and the track has brought down the static route. The failures (55) are high, but the key is that the track is down due to the threshold violation.
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 failing because the target is unreachable.
Why it's wrong here
The return code is 'Over threshold', not 'No connection', so the target is reachable but with high latency.
- ✗
The tracked static route is active because the IP SLA has successes.
Why it's wrong here
The track is down, so the static route is removed from the routing table.
- ✓
The IP SLA threshold has been exceeded, causing the track to go down and the static route to be removed.
Why this is correct
The track is down due to 'Over threshold', which means the static route is no longer installed.
- ✗
The IP SLA operation has a 55% failure rate, but the track is still up.
Why it's wrong here
The track is down, not up.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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