mediumMultiple Choice
300-410 Practice Question: Which IP SLA operation type is used to measure…
Which IP SLA operation type is used to measure one-way delay, jitter, and packet loss?
⚠ Common exam trap
300-410 often tests whether candidates confuse udp-echo (RTT/loss only) with udp-jitter (RTT + jitter + one-way delay) — assuming any UDP-based SLA measures jitter is the classic mistake.
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
✓
udp-jitter
The udp-jitter IP SLA operation sends a stream of UDP packets with sequence numbers and timestamps to measure round-trip latency, one-way delay (via timestamp fields), inter-packet jitter, and packet loss. It is the only IP SLA operation type specifically designed to produce jitter and one-way delay statistics, making it the correct answer for voice/video quality monitoring.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
udp-jitter
Why this is correct
The udp-jitter operation sends UDP packets at a defined interval and measures round-trip latency, one-way delay, jitter and packet loss, satisfying the stem's requirement for all three metrics. ICMP echo measures reachability and round-trip time only.
- ✗
icmp-echo
Why it's wrong here
icmp-echo returns round-trip time and reachability only; ICMP carries no sequence timestamps, so one-way delay, jitter and packet loss cannot be derived. It is tempting because it is the simplest reachability probe, and it would be correct for basic device availability monitoring.
- ✗
udp-echo
Why it's wrong here
udp-echo measures round-trip latency and reachability, not one-way delay or jitter; those require timestamped probes that udp-jitter generates. It is tempting because udp-echo is the standard UDP reachability operation, and it would be correct for basic UDP port availability testing.
- ✗
tcp-connect
Why it's wrong here
tcp-connect only times TCP handshake completion, yielding round-trip connect latency with no per-packet delay, jitter or loss statistics. It is tempting because it verifies application port reachability, and it would be the right choice when monitoring whether a TCP service accepts connections.
Go deeper
Related to this question
Learn chapter
Device Management and Network Monitoring (SNMP, Syslog, NetFlow)
Key term
IP SLA for Path Control
IP SLA for Path Control is a Cisco technology that uses active network measurements to dynamically influence routing decisions and redirect traffic along a preferred path when network conditions change.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Cisco exam blueprint
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.