The answer is that the router is being reconfigured repeatedly from the console, most likely due to an automated script or a configuration loop. This output from the `show logging | include %SYS-5-CONFIG_I` command reveals multiple configuration changes applied from the console in rapid succession, which is abnormal for normal administrative work and points to a process—such as a script or a misapplied EEM applet—that is continuously reapplying the running configuration. On the Cisco CCNP ENARSI 300-410 exam, this scenario tests your ability to interpret syslog messages and identify unintended configuration changes from console, a common trap where candidates overlook the repeated timestamps and focus instead on the message content. A key memory tip: think "CONFIG_I from console = constant input," meaning the console is being flooded with changes, not just a single manual edit.
300-410 Network Logging and Syslog Practice Question
This 300-410 practice question tests your understanding of network logging and syslog. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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.
A network engineer runs the following command on Router R2:
R2# show logging | include %SYS-5-CONFIG_I
*Mar 1 00:10:15.123: %SYS-5-CONFIG_I: Configured from console by console
*Mar 1 00:12:45.678: %SYS-5-CONFIG_I: Configured from console by console
*Mar 1 00:15:30.001: %SYS-5-CONFIG_I: Configured from console by console
*Mar 1 00:20:00.999: %SYS-5-CONFIG_I: Configured from console by console
Based on this output, what is the most likely problem?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
The router has a memory leak causing frequent reloads.
Why wrong: The messages indicate configuration changes, not reloads.
B
The router is being reconfigured repeatedly from the console, which could indicate unauthorized access or a script issue.
Multiple %SYS-5-CONFIG_I messages from the console suggest repeated configuration changes, which is abnormal and could be a security issue or a misconfigured automation script.
C
The logging buffer is full and messages are being overwritten.
Why wrong: The output shows specific messages; there is no indication of buffer overflow.
D
The syslog server is not reachable, so messages are only logged locally.
Why wrong: The output does not mention syslog server configuration or reachability.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The router is being reconfigured repeatedly from the console, which could indicate unauthorized access or a script issue.
The output shows multiple configuration changes being made from the console in a short period of time. This could indicate unauthorized access or a misconfiguration that is causing repeated configuration changes. However, the most likely problem is that the logging level is set too low, and these messages are being generated due to a loop or automated script. But the key clue is that the messages are from the console, suggesting someone is making changes repeatedly. The correct answer is that the router is being reconfigured frequently, possibly due to a configuration loop or an attacker.
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.
✗
The router has a memory leak causing frequent reloads.
Why it's wrong here
The messages indicate configuration changes, not reloads.
✓
The router is being reconfigured repeatedly from the console, which could indicate unauthorized access or a script issue.
Why this is correct
Multiple %SYS-5-CONFIG_I messages from the console suggest repeated configuration changes, which is abnormal and could be a security issue or a misconfigured automation script.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The logging buffer is full and messages are being overwritten.
Why it's wrong here
The output shows specific messages; there is no indication of buffer overflow.
✗
The syslog server is not reachable, so messages are only logged locally.
Why it's wrong here
The output does not mention syslog server configuration or reachability.
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.
Trap categories for this question
Command / output trap
The output shows specific messages; there is no indication of buffer overflow.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 300-410 question in full detail.
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.
Network Logging and Syslog — This question tests Network Logging and Syslog — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The router is being reconfigured repeatedly from the console, which could indicate unauthorized access or a script issue. — The output shows multiple configuration changes being made from the console in a short period of time. This could indicate unauthorized access or a misconfiguration that is causing repeated configuration changes. However, the most likely problem is that the logging level is set too low, and these messages are being generated due to a loop or automated script. But the key clue is that the messages are from the console, suggesting someone is making changes repeatedly. The correct answer is that the router is being reconfigured frequently, possibly due to a configuration loop or an attacker.
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.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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