- A
It measures round-trip time (RTT) between the source and destination.
The ICMP echo operation sends ICMP packets and calculates the RTT based on the reply.
- B
It measures jitter in the network path.
Why wrong: Jitter measurement requires a UDP jitter operation, not ICMP echo.
- C
The operation must be scheduled using the 'ip sla schedule' command.
After configuring the operation, it must be scheduled to start and optionally repeat.
- D
The destination can be specified as a hostname without any additional configuration.
Why wrong: The destination must be an IP address unless DNS is configured; hostnames are not automatically resolved.
- E
The operation runs continuously by default after configuration.
Why wrong: The operation does not start automatically; it must be scheduled.
IP SLA ICMP Echo Operation
This 300-410 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.
Which TWO statements about IP SLA ICMP echo operations are true? (Choose TWO.)
Quick Answer
The correct answer is that the operation must be scheduled using the 'ip sla schedule' command, as IP SLA ICMP echo operations are not active until explicitly started. This is because the ICMP echo operation measures round-trip time (RTT) by sending ICMP echo requests and waiting for replies, but it does not measure jitter—that requires a separate UDP jitter operation. On the Cisco CCNP ENARSI 300-410 exam, this distinction is frequently tested to ensure you understand that scheduling is mandatory and that jitter is not a feature of ICMP echo. A common trap is confusing ICMP echo with UDP jitter or assuming the operation runs automatically after configuration. Remember that the destination must be an IP address, not a hostname, unless DNS is configured, and you can set a frequency and timeout. Memory tip: “ICMP echo schedules the trip, not the jitter.”
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
It measures round-trip time (RTT) between the source and destination.
IP SLA ICMP echo measures round-trip time (RTT) by sending ICMP echo requests and waiting for replies. It does not measure jitter (that requires UDP jitter operations). It can be configured with a frequency and a timeout, and the operation must be started with the 'ip sla schedule' command. The source IP can be specified, but the destination must be an IP address, not a hostname unless DNS resolution is configured.
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 measures round-trip time (RTT) between the source and destination.
Why this is correct
The ICMP echo operation sends ICMP packets and calculates the RTT based on the reply.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
It measures jitter in the network path.
- ✓
The operation must be scheduled using the 'ip sla schedule' command.
Why this is correct
After configuring the operation, it must be scheduled to start and optionally repeat.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
The destination can be specified as a hostname without any additional configuration.
Why it's wrong here
The destination must be an IP address unless DNS is configured; hostnames are not automatically resolved.
- ✗
The operation runs continuously by default after configuration.
Why it's wrong here
The operation does not start automatically; it must be scheduled.
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 300-410 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.
Visual reference
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this 300-410 question test?
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 measures round-trip time (RTT) between the source and destination. — IP SLA ICMP echo measures round-trip time (RTT) by sending ICMP echo requests and waiting for replies. It does not measure jitter (that requires UDP jitter operations). It can be configured with a frequency and a timeout, and the operation must be started with the 'ip sla schedule' command. The source IP can be specified, but the destination must be an IP address, not a hostname unless DNS resolution is configured.
What should I do if I get this 300-410 question wrong?
Identify which 300-410 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.
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 →
Same concept, more angles
1 more ways this is tested on 300-410
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which TWO commands are used to configure an IP SLA ICMP echo operation on a Cisco IOS device? (Choose TWO.)
easy- ✓ A.ip sla 1
- ✓ B.icmp-echo 192.168.1.1 source-ip 10.0.0.1
- C.ip sla schedule 1 life forever start-time now
- D.track 1 ip sla 1 reachability
- E.ip sla monitor 1
Why A: To configure an IP SLA ICMP echo operation, you start with 'ip sla <operation-number>' to enter IP SLA configuration mode, then use 'icmp-echo <destination> [source-ip <src>]' to define the probe. The 'frequency' command sets how often the probe is sent. The 'ip sla schedule' is used to start the operation, not to configure it. The 'track' command is used separately to monitor the operation. The 'ip sla monitor' is legacy.
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Last reviewed: Jun 19, 2026
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