hardMultiple Choice
300-410 Practice Question: The default inter-packet interval (in…
What is the default inter-packet interval (in milliseconds) for an IP SLA UDP Jitter operation?
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
✓
20 ms
The default inter-packet interval for UDP Jitter is 20 milliseconds. This is the delay between sending successive packets within a single probe.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
10 ms
Why it's wrong here
The default inter-packet interval for a UDP jitter operation is 20 ms, not 10 ms. Ten milliseconds is the default timeout value, which is a separate parameter controlling how long the operation waits for a response. The interval governs the spacing between successive packets within each probe.
- ✓
20 ms
Why this is correct
IP SLA UDP Jitter operations send packets in bursts, and the default inter-packet interval within each burst is 20 ms, matching the option. This spacing lets the responder measure one-way delay variation (jitter) between consecutive packets, which is the metric the operation exists to report.
- ✗
50 ms
Why it's wrong here
The default inter-packet interval for an IP SLA UDP jitter operation is 20 ms, not 50 ms. This value is tempting because it appears in other timing contexts, but the jitter operation sends packets every 20 ms by default, so 50 ms would alter the sampling behaviour.
- ✗
100 ms
Why it's wrong here
The default inter-packet interval for an IP SLA UDP jitter operation is 20 ms, not 100 ms. 100 ms is tempting because it is a round number often assumed for sampling, but the jitter operation's default is 20 ms, giving finer-grained delay variation measurement.
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JA
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.