CCNP Network Assurance Practice Question
A network engineer is configuring an IP SLA operation to monitor the reachability of a critical server at 10.1.1.1. The engineer wants to generate a syslog message and trigger a track object if the response time exceeds 100 ms. Which IP SLA operation type should be used?
⚠ Common exam trap
The trap here is selecting a more complex operation like UDP Jitter or TCP Connect when the requirement is simply to monitor reachability and response time with a threshold.
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
✓
ICMP Echo
ICMP Echo is the most suitable IP SLA operation for monitoring basic reachability and round-trip time to a server. It allows configuration of a threshold and reactions, which can trigger syslog messages and track objects when the threshold is exceeded, directly meeting the engineer's requirements.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
HTTP
Why it's wrong here
HTTP operations measure the response time of an HTTP server by sending GET requests. This is application-specific and would not be appropriate for monitoring a generic server without knowing it is an HTTP server. ICMP Echo is more general and fits the requirement.
- ✓
ICMP Echo
Why this is correct
ICMP Echo is the correct choice because it measures round-trip time and reachability to a destination. The engineer can set a threshold of 100 ms and configure a reaction to trigger when the threshold is exceeded, which can then be tracked. This operation type is specifically designed for this purpose.
- ✗
UDP Jitter
Why it's wrong here
UDP Jitter measures delay, jitter, and packet loss for UDP traffic, but it requires a responder and is more complex. While it can measure response time, it is not the simplest or most appropriate for basic reachability and threshold monitoring of a server. ICMP Echo is more straightforward.
- ✗
TCP Connect
Why it's wrong here
TCP Connect measures the time to establish a TCP connection to a specific port. It is useful for testing application port availability but does not measure ICMP round-trip time. The scenario does not specify a port, and the engineer likely wants basic IP reachability, making TCP Connect less suitable.
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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
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