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Quick Answer
The answer is to assign devices to the floor as the final step. This order is correct because Cisco DNA Center enforces a strict hierarchical model where you must first define the broadest geographic or organizational boundary—typically a continent or country—as the top-level area, then drill down to a building, and finally to a floor before you can associate network devices with that specific location. On the ENCOR 350-401 exam, this drag-and-drop task tests your understanding of the DNA Center inventory and site management workflow, which is foundational for automation and assurance. A common trap is trying to assign devices before creating the floor, which the system will reject. To remember the sequence, use the mnemonic "ABFD": Area, Building, Floor, Devices—always build the container before filling it.
CCNP Cisco DNA Center Practice Question
This 350-401 practice question tests your understanding of cisco dna center. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
Drag and drop the steps of DNA Center site hierarchy creation into the correct order, from first to last.
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"first"Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
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
✓
Create a top-level area (e.g., continent)
Site hierarchy creation begins with defining the top-level area (e.g., continent), then building down to building, floor, and finally assigning devices to the floor.
Key principle: OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Common exam traps
Common exam trap: OSPF can fail even when IP connectivity looks correct
OSPF neighbour formation depends on matching areas, timers, network type, authentication and passive-interface behaviour. Do not choose an answer only because the devices can ping.
Detailed technical explanation
How to think about this question
OSPF questions usually test the details that control adjacency and route selection. Read the neighbour state, area, router ID and interface configuration before deciding what is wrong.
KKey Concepts to Remember
- OSPF neighbours must agree on key parameters.
- Router ID selection can affect neighbour relationships and LSDB output.
- OSPF cost influences the preferred path.
- A route can appear in OSPF information but not become the installed route.
TExam Day Tips
- Check area mismatch first when OSPF adjacency fails.
- Review passive interfaces when a network is advertised but no neighbour forms.
- Use show ip ospf neighbor and show ip route clues carefully.
Key takeaway
OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Real-world example
How this comes up in practice
A practitioner preparing for the 350-401 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. OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Review OSPF neighbour requirements — matching area type, hello and dead timers, network type, stub flags, and authentication. Study show ip ospf neighbor states (INIT, 2-WAY, FULL). Then practise related 350-401 OSPF questions on adjacency and route selection.
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FAQ
Questions learners often ask
What does this 350-401 question test?
Cisco DNA Center — This question tests Cisco DNA Center — OSPF neighbours must agree on key parameters..
What is the correct answer to this question?
The correct answer is: Create a top-level area (e.g., continent) — Site hierarchy creation begins with defining the top-level area (e.g., continent), then building down to building, floor, and finally assigning devices to the floor.
What should I do if I get this 350-401 question wrong?
Review OSPF neighbour requirements — matching area type, hello and dead timers, network type, stub flags, and authentication. Study show ip ospf neighbor states (INIT, 2-WAY, FULL). Then practise related 350-401 OSPF questions on adjacency and route selection.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
OSPF neighbours must agree on key parameters.
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Same concept, more angles
1 more ways this is tested on 350-401
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. Drag and drop the steps of DNA Center site hierarchy creation into the correct order, from first to last.
medium- ✓ A.Create a top-level site (e.g., continent)
- ✓ B.Create an area under the top-level site
- ✓ C.Create a building under the area
- ✓ D.Create a floor under the building
- ✓ E.Upload or draw the floor plan
Why A: The correct order starts with defining the top-level site (e.g., continent or country), then adds the area, then the building, then the floor, and finally assigns the floor plan. This hierarchical structure is required for proper network segmentation and assurance in Cisco DNA Center.
Last reviewed: Jun 18, 2026
This 350-401 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 350-401 exam.
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