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200-901 Infrastructure and Automation Practice Question
Drag and drop the steps to configure OSPF on a Cisco router into the correct order.
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
✓
1. Enable OSPF routing process (router ospf [process-id]). 2. Configure Router ID (router-id [id]). 3. Advertise networks (network [network] [wildcard] area [area]).
OSPF configuration requires enabling the OSPF process, setting a router ID, and advertising networks in specific areas.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
1. Enable OSPF routing process (router ospf [process-id]). 2. Configure Router ID (router-id [id]). 3. Advertise networks (network [network] [wildcard] area [area]).
Why this is correct
This is the correct order because you must first enable the OSPF process, then optionally set a specific router ID before advertising networks, as the router ID is used in neighbor establishment and link-state advertisements.
- ✗
1. Configure Router ID (router-id [id]). 2. Enable OSPF routing process (router ospf [process-id]). 3. Advertise networks (network [network] [wildcard] area [area]).
Why it's wrong here
This is incorrect because you cannot configure a router ID without first enabling the OSPF process; the router-id command is entered in OSPF router configuration mode, which requires the process to be active.
- ✗
1. Enable OSPF routing process (router ospf [process-id]). 2. Advertise networks (network [network] [wildcard] area [area]). 3. Configure Router ID (router-id [id]).
Why it's wrong here
This is incorrect because although technically you can set the router ID after network statements, best practice and the standard order in Cisco documentation is to configure the router ID before network statements to ensure a stable router ID during neighbor formation.
- ✗
1. Advertise networks (network [network] [wildcard] area [area]). 2. Enable OSPF routing process (router ospf [process-id]). 3. Configure Router ID (router-id [id]).
Why it's wrong here
This is incorrect because you cannot advertise networks or configure a router ID before the OSPF process is enabled; network statements are entered in router configuration mode, which only exists after the process is started.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-901 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 200-901 exam.