This 350-401 practice question tests your understanding of ip sla. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Review the following IP SLA configuration on Router R1:
ip sla 3
icmp-echo 10.3.3.3
frequency 30
ip sla schedule 3 life forever start-time now
ip sla reaction-configuration 3 react rtt threshold-type xof 5 threshold-value 100 action-type triggerAndReset
What is the purpose of the 'threshold-type xof 5' parameter?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It triggers an event if 5 consecutive RTT measurements exceed 100 ms.
'threshold-type xof 5' means the trigger will occur if 5 consecutive RTT measurements exceed the threshold value of 100 ms. This helps avoid false triggers from transient spikes.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
It triggers an event if 5 out of the last 10 RTT measurements exceed 100 ms.
Why it's wrong here
'xof' stands for 'x out of', but it requires consecutive occurrences, not a sliding window.
✓
It triggers an event if 5 consecutive RTT measurements exceed 100 ms.
Why this is correct
'xof 5' means 5 consecutive measurements must exceed the threshold to trigger the event.
Related concept
Read the scenario before looking for a memorised answer.
✗
It triggers an event if the RTT exceeds 100 ms for 5 seconds.
Why it's wrong here
The 'xof' parameter counts consecutive probes, not time duration.
✗
It triggers an event if the RTT exceeds 100 ms and then repeats 5 times.
Why it's wrong here
The 'xof' parameter specifies the number of consecutive threshold violations needed, not repetitions.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 350-401 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 350-401 question in full detail.
Identify which 350-401 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
IP SLA — This question tests IP SLA — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: It triggers an event if 5 consecutive RTT measurements exceed 100 ms. — 'threshold-type xof 5' means the trigger will occur if 5 consecutive RTT measurements exceed the threshold value of 100 ms. This helps avoid false triggers from transient spikes.
What should I do if I get this 350-401 question wrong?
Identify which 350-401 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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