This 200-301 practice question tests your understanding of ai and network operations. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
Network Topology
You are connected to R1, a branch router connected to a central NTP server at 203.0.113.10 and a syslog server at 198.51.100.20. Configure R1 as an NTP client using its Loopback0 interface (192.168.1.1/32) as the source, and ensure syslog messages of severity 'informational' and above are sent to the syslog server. Currently, R1 shows 'Clock is unsynchronized, stratum 16'. Identify and fix the NTP issue, then apply the syslog configuration.
R1#show ntp status
Clock is synchronized, stratum 16, reference is 127.127.7.1
nominal freq is 250.0000 Hz, actual freq is 250.0000 Hz, precision is 2**10
reference time is D3A4B2C1.00000000 (00:00:00.000 UTC Mon Jan 1 2024)
clock offset is 0.0000 msec, root delay is 0.00 msec
root dispersion is 0.00 msec, peer dispersion is 0.00 msec
loopfilter state is 'CTRL' (Normal), drift is 0.000000000 s/s
system poll interval is 64, last update was 0 sec ago.
R1#show ntp associations
address ref clock st when poll reach delay offset disp
*~127.127.7.1 .LOCL. 16 25 64 377 0.000 0.000 0.000
* sys_peer, # selected, + candidate, - outlyer, x falseticker, ~ configured
R1#show running-config | include ntp|logging
ntp server 203.0.113.10
logging host 198.51.100.20
logging trap warnings
A
Configure 'ntp source Loopback0' and 'logging trap informational'.
This is correct because the NTP source interface must be specified to ensure the router uses a consistent, reachable source IP (Loopback0) for NTP packets. Additionally, 'logging trap informational' sets the syslog severity to 6, allowing messages of severity 6 (informational) and above (0-6) to be sent to the syslog server.
B
Configure 'ntp server 203.0.113.10 source Loopback0' and 'logging trap warnings'.
Why wrong: This is incorrect because the 'ntp server' command does not support the 'source' keyword; the source interface is configured globally with 'ntp source'. Also, 'logging trap warnings' sets severity to 4, which filters out informational (severity 6) messages.
C
Configure 'ntp source Loopback0' and 'logging trap debugging'.
Why wrong: This is incorrect because 'logging trap debugging' sets severity to 7, which includes all messages (0-7). While this would include informational messages, it is overly broad and not the standard recommended level for informational and above; 'informational' (severity 6) is the correct trap level.
D
Configure 'ntp source Loopback0' and 'logging host 198.51.100.20' without changing the trap level.
Why wrong: This is incorrect because while the NTP source is correctly set, the syslog trap level is not changed. By default, the trap level is 'informational' (severity 6) on some IOS versions, but often it is 'warnings' (severity 4) or lower. The question implies the current configuration filters out informational messages, so the trap level must be explicitly set to 'informational'.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure 'ntp source Loopback0' and 'logging trap informational'.
The NTP client was configured but the source interface was not specified, causing the router to use a default source that may not be reachable. Additionally, the syslog trap level was set to 'warnings' (severity 4), which filters out informational (severity 6) messages. To fix: configure 'ntp source Loopback0' to use a consistent source IP, and change 'logging trap informational' to allow all messages severity 6 and above.
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.
✓
Configure 'ntp source Loopback0' and 'logging trap informational'.
Why this is correct
This is correct because the NTP source interface must be specified to ensure the router uses a consistent, reachable source IP (Loopback0) for NTP packets. Additionally, 'logging trap informational' sets the syslog severity to 6, allowing messages of severity 6 (informational) and above (0-6) to be sent to the syslog server.
Related concept
Read the scenario before looking for a memorised answer.
✗
Configure 'ntp server 203.0.113.10 source Loopback0' and 'logging trap warnings'.
Why it's wrong here
This is incorrect because the 'ntp server' command does not support the 'source' keyword; the source interface is configured globally with 'ntp source'. Also, 'logging trap warnings' sets severity to 4, which filters out informational (severity 6) messages.
✗
Configure 'ntp source Loopback0' and 'logging trap debugging'.
Why it's wrong here
This is incorrect because 'logging trap debugging' sets severity to 7, which includes all messages (0-7). While this would include informational messages, it is overly broad and not the standard recommended level for informational and above; 'informational' (severity 6) is the correct trap level.
✗
Configure 'ntp source Loopback0' and 'logging host 198.51.100.20' without changing the trap level.
Why it's wrong here
This is incorrect because while the NTP source is correctly set, the syslog trap level is not changed. By default, the trap level is 'informational' (severity 6) on some IOS versions, but often it is 'warnings' (severity 4) or lower. The question implies the current configuration filters out informational messages, so the trap level must be explicitly set to 'informational'.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The 200-301 exam frequently reuses these exact scenarios with slightly different constraints.
✓Configure 'ntp source Loopback0' and 'logging trap informational'.Correct answer▾
Why this is correct
This is correct because the NTP source interface must be specified to ensure the router uses a consistent, reachable source IP (Loopback0) for NTP packets. Additionally, 'logging trap informational' sets the syslog severity to 6, allowing messages of severity 6 (informational) and above (0-6) to be sent to the syslog server.
✗Configure 'ntp server 203.0.113.10 source Loopback0' and 'logging trap warnings'.Wrong answer — click to see why▾
Why this is wrong here
The specific factual error: The 'ntp server' command does not have a 'source' parameter; source is set globally. Also, 'logging trap warnings' does not meet the requirement to send informational messages.
Why candidates choose this
Candidates might think the source can be specified per NTP server command, and may confuse 'warnings' as a higher severity that includes informational, but it actually excludes it.
✗Configure 'ntp source Loopback0' and 'logging trap debugging'.Wrong answer — click to see why▾
Why this is wrong here
The specific factual error: 'logging trap debugging' sends all messages, including debugging (severity 7), which is unnecessary and can cause excessive log traffic. The requirement is for informational and above, which is severity 6, not 7.
Why candidates choose this
Candidates might think 'debugging' is the highest level and therefore includes everything, but the correct level for informational and above is 'informational' (severity 6).
✗Configure 'ntp source Loopback0' and 'logging host 198.51.100.20' without changing the trap level.Wrong answer — click to see why▾
Why this is wrong here
The specific factual error: The default trap level may not be 'informational'; it is often 'warnings' or 'debugging' depending on the IOS version. The requirement to send informational messages necessitates explicit configuration of 'logging trap informational'.
Why candidates choose this
Candidates might assume the default trap level already includes informational messages, but in many IOS versions the default is 'warnings' (severity 4), which excludes informational (severity 6).
Analysis generated from the official 200-301blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
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
Keyword trap
This is incorrect because the 'ntp server' command does not support the 'source' keyword; the source interface is configured globally with 'ntp source'. Also, 'logging trap warnings' sets severity to 4, which filters out informational (severity 6) messages.
Command / output trap
This is incorrect because the 'ntp server' command does not support the 'source' keyword; the source interface is configured globally with 'ntp source'. Also, 'logging trap warnings' sets severity to 4, which filters out informational (severity 6) messages.
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 200-301 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 200-301 question in full detail.
Identify which 200-301 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.
AI and Network Operations — This question tests AI and Network Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure 'ntp source Loopback0' and 'logging trap informational'. — The NTP client was configured but the source interface was not specified, causing the router to use a default source that may not be reachable. Additionally, the syslog trap level was set to 'warnings' (severity 4), which filters out informational (severity 6) messages. To fix: configure 'ntp source Loopback0' to use a consistent source IP, and change 'logging trap informational' to allow all messages severity 6 and above.
What should I do if I get this 200-301 question wrong?
Identify which 200-301 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.
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Question Discussion
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