Question 1,067 of 2,011
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300-410 Practice Question: Runs the following command on Router R1: R1# show…
A network engineer runs the following command on Router R1:
R1# show logging
Syslog logging: enabled (0 messages dropped, 3 messages rate-limited, 0 flushes, 0 overruns, xml disabled, small buffer) Console logging: level debugging, 37 messages logged, xml disabled, filtering disabled Monitor logging: level debugging, 0 messages logged, xml disabled, filtering disabled Buffer logging: level informational, 5 messages logged, xml disabled, filtering disabled
Logging Exception size (4096 bytes)
Count and timestamp logging messages: disabled Persistent logging: disabled
No active filter modules.
Trap logging: level informational, 0 message lines logged
Logging to 192.168.1.100 (udp port 514, audit disabled,
link up), 0 message lines logged, xml disabled, filtering disabled
Logging Source Interface: Loopback0
Log Buffer (4096 bytes):
*Mar 1 00:01:23.456: %LINK-3-UPDOWN: Interface GigabitEthernet0/1, changed state to up *Mar 1 00:02:34.567: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to up
Based on this output, which statement is correct?
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
✓
Console logging is set to debugging level, meaning all debug messages will appear on the console.
The output shows that buffer logging is set to level informational, but the buffer only contains 4096 bytes and has logged only 5 messages. The trap logging (syslog server) is set to informational but has logged 0 messages, and the server 192.168.1.100 is reachable (link up). The key issue is that the syslog server is not receiving messages despite being configured correctly, likely due to the source interface being Loopback0 which may not have a route to the server or the server is not processing the messages. However, the question asks for a correct statement based on the output. The correct answer is that console logging is set to debugging, which is the most detailed level, and this is confirmed by the output showing 'level debugging' for console logging.
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 syslog server at 192.168.1.100 is receiving messages because the link is up.
Why it's wrong here
The link is up, but 0 message lines have been logged to the trap, meaning no messages have been sent to the server.
- ✗
Buffer logging is set to debugging level, so all debug messages are stored in the buffer.
Why it's wrong here
Buffer logging is set to informational, not debugging.
- ✓
Console logging is set to debugging level, meaning all debug messages will appear on the console.
Why this is correct
The output explicitly shows 'Console logging: level debugging', so all messages at debugging level and below will be displayed on the console.
- ✗
The logging buffer size is 4096 bytes, which is sufficient to store all messages without overwriting.
Why it's wrong here
The buffer size is 4096 bytes, but it is small and may overwrite older messages if many are logged; the output does not indicate that it is sufficient.
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Last reviewed: Jun 18, 2026
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