mediumMultiple Choice
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 ip dhcp database
URL : flash:/dhcpdb Read/write : Read/Write Last updated : Mar 01 2020 00:00:00 Status : Last read succeeded. Next write scheduled in 0 seconds.
Based on this output, which statement is correct?
⚠ Common exam trap
Cisco often tests the distinction between DHCP database storage locations (flash vs. NVRAM vs. TFTP) and the interpretation of status messages like 'Last read succeeded' versus 'Last write failed', tricking candidates into assuming a failure or empty database without reading the full output.
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
✓
The DHCP database is stored in flash and is functioning correctly.
The output shows the DHCP database is stored in flash (URL: flash:/dhcpdb) with read/write access, and the status indicates the last read succeeded with a write scheduled in 0 seconds. This confirms the database is functioning correctly, as the router can read and write DHCP bindings to flash memory, which is the default storage location for DHCP database persistence.
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 DHCP database is stored in NVRAM and is read-only.
Why it's wrong here
The output shows URL 'flash:/dhcpdb' with 'Read/write : Read/Write', so the database resides in flash and is writable, contradicting both claims. It is tempting because DHCP bindings are sometimes held in NVRAM, but this router's configuration explicitly points the database at flash storage in read/write mode.
- ✓
The DHCP database is stored in flash and is functioning correctly.
Why this is correct
The URL field shows flash:/dhcpdb, confirming the database resides in flash memory, and the status line reports the last read succeeded with the next write scheduled, indicating normal operation. Both the storage location and healthy state match the statement.
- ✗
The DHCP database write failed and needs to be rescheduled.
Why it's wrong here
The output states 'Last read succeeded' and 'Next write scheduled in 0 seconds', indicating the database is functioning and a write is due immediately, not that a write failed. It is tempting because a zero-second schedule can look like a stalled timer, but that value simply means the next write is pending now.
- ✗
The DHCP database is empty because no bindings exist.
Why it's wrong here
The 'Last read succeeded' status and scheduled write confirm the database is populated and functioning; an empty database would show no bindings and no pending write. It is tempting because the output lists no individual bindings, but that summary view simply omits them rather than proving absence.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 300-410 exam.