The correct answer is that the threshold is set too high, as a 100ms jitter threshold is far too high for voice quality monitoring. Voice quality degrades significantly when jitter exceeds 20-30ms, so a 100ms threshold means the IP SLA jitter threshold will not trigger an alert even when jitter spikes to harmful levels, masking the root cause of the customer’s issues. On the Cisco SPCOR / CCNP Service Provider Core 350-501 exam, this scenario tests your understanding that a successful IP SLA operation does not guarantee effective monitoring—the threshold must align with real-world application requirements. A common trap is focusing on the current jitter value (5ms) or packet loss (0%) and overlooking the threshold configuration. Remember the memory tip: “Voice hates jitter over 30—set your threshold clean and thirty.”
350-501 Automation and Assurance Practice Question
This 350-501 practice question tests your understanding of automation and assurance. 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.
Exhibit
Refer to the exhibit.
! Output from 'show ip sla summary'
!
IP SLAs Summary
IPSLA ID: 1
Type: UDP Jitter
Destination: 10.2.2.2
Source: 10.1.1.1
Frequency: 10 seconds
Threshold: 100 ms
Latest RTT: 50 ms
Latest Jitter: 5 ms
Packet Loss: 0%
Over thresholds: 0
Refer to the exhibit. An engineer configures IP SLA for UDP jitter. The operation completes successfully, but the customer reports voice quality issues. What should the engineer check next?
Refer to the exhibit.
! Output from 'show ip sla summary'
!
IP SLAs Summary
IPSLA ID: 1
Type: UDP Jitter
Destination: 10.2.2.2
Source: 10.1.1.1
Frequency: 10 seconds
Threshold: 100 ms
Latest RTT: 50 ms
Latest Jitter: 5 ms
Packet Loss: 0%
Over thresholds: 0
A
The packet loss is 0%
Why wrong: Packet loss is zero now, but jitter can still cause voice issues.
B
The frequency is too low
Why wrong: A 10-second frequency is adequate for voice quality monitoring.
C
The jitter value is within threshold
Why wrong: Current jitter is low, but the threshold is too high to detect spikes that cause voice issues.
D
The destination is unreachable
Why wrong: The operation completes successfully, so the destination is reachable.
E
The threshold is set too high
A 100 ms threshold is too high for jitter; it should be lowered to trigger alerts when jitter impacts voice quality.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The threshold is set too high
The threshold of 100 ms is too high for jitter monitoring; voice quality typically degrades when jitter exceeds 20-30 ms. With a 100 ms threshold, even if jitter spikes to harmful levels, the SLA does not trigger an alert. The current jitter (5 ms) and packet loss (0%) are fine, but the threshold setting prevents proactive detection.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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 packet loss is 0%
Why it's wrong here
Packet loss is zero now, but jitter can still cause voice issues.
✗
The frequency is too low
Why it's wrong here
A 10-second frequency is adequate for voice quality monitoring.
✗
The jitter value is within threshold
Why it's wrong here
Current jitter is low, but the threshold is too high to detect spikes that cause voice issues.
✗
The destination is unreachable
Why it's wrong here
The operation completes successfully, so the destination is reachable.
✓
The threshold is set too high
Why this is correct
A 100 ms threshold is too high for jitter; it should be lowered to trigger alerts when jitter impacts voice quality.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 350-501 NAT questions on configuration and troubleshooting.
Automation and Assurance — This question tests Automation and Assurance — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: The threshold is set too high — The threshold of 100 ms is too high for jitter monitoring; voice quality typically degrades when jitter exceeds 20-30 ms. With a 100 ms threshold, even if jitter spikes to harmful levels, the SLA does not trigger an alert. The current jitter (5 ms) and packet loss (0%) are fine, but the threshold setting prevents proactive detection.
What should I do if I get this 350-501 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 350-501 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This 350-501 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 350-501 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.