- A
1. Enter global configuration mode. 2. Create the OSPFv3 process and assign a process ID. 3. Configure a router ID. 4. Enter interface configuration mode. 5. Enable OSPFv3 on the interface.
This sequence correctly follows the standard OSPFv3 configuration process: first enter global config, then create the OSPFv3 process with a process ID, set a router ID (required for OSPFv3), then enter interface config and enable OSPFv3 on the interface.
- B
1. Enter global configuration mode. 2. Enter interface configuration mode. 3. Enable OSPFv3 on the interface. 4. Create the OSPFv3 process and assign a process ID. 5. Configure a router ID.
Why wrong: This is incorrect because you must create the OSPFv3 process and configure a router ID before enabling OSPFv3 on an interface. The router ID is required for the OSPFv3 process to start.
- C
1. Enter global configuration mode. 2. Create the OSPFv3 process and assign a process ID. 3. Enter interface configuration mode. 4. Enable OSPFv3 on the interface. 5. Configure a router ID.
Why wrong: This is incorrect because the router ID must be configured before enabling OSPFv3 on interfaces. Without a router ID, the OSPFv3 process may not function correctly.
- D
1. Enter global configuration mode. 2. Configure a router ID. 3. Enter interface configuration mode. 4. Enable OSPFv3 on the interface. 5. Create the OSPFv3 process and assign a process ID.
Why wrong: This is incorrect because the OSPFv3 process must be created before configuring a router ID. The router ID is configured under the OSPFv3 process configuration mode.
CCNA IP Routing Practice Question
This 200-301 practice question tests your understanding of ip routing. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 following steps into the correct order to configure OSPFv3 for IPv6 on a Cisco router.
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. Enter global configuration mode. 2. Create the OSPFv3 process and assign a process ID. 3. Configure a router ID. 4. Enter interface configuration mode. 5. Enable OSPFv3 on the interface.
After entering global config, create the OSPFv3 process, set a router ID, then enable OSPFv3 on the desired interfaces under interface configuration.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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. Enter global configuration mode. 2. Create the OSPFv3 process and assign a process ID. 3. Configure a router ID. 4. Enter interface configuration mode. 5. Enable OSPFv3 on the interface.
Why this is correct
This sequence correctly follows the standard OSPFv3 configuration process: first enter global config, then create the OSPFv3 process with a process ID, set a router ID (required for OSPFv3), then enter interface config and enable OSPFv3 on the interface.
Related concept
Authentication checks who the user is.
- ✗
1. Enter global configuration mode. 2. Enter interface configuration mode. 3. Enable OSPFv3 on the interface. 4. Create the OSPFv3 process and assign a process ID. 5. Configure a router ID.
Why it's wrong here
This is incorrect because you must create the OSPFv3 process and configure a router ID before enabling OSPFv3 on an interface. The router ID is required for the OSPFv3 process to start.
- ✗
1. Enter global configuration mode. 2. Create the OSPFv3 process and assign a process ID. 3. Enter interface configuration mode. 4. Enable OSPFv3 on the interface. 5. Configure a router ID.
Why it's wrong here
This is incorrect because the router ID must be configured before enabling OSPFv3 on interfaces. Without a router ID, the OSPFv3 process may not function correctly.
- ✗
1. Enter global configuration mode. 2. Configure a router ID. 3. Enter interface configuration mode. 4. Enable OSPFv3 on the interface. 5. Create the OSPFv3 process and assign a process ID.
Why it's wrong here
This is incorrect because the OSPFv3 process must be created before configuring a router ID. The router ID is configured under the OSPFv3 process configuration mode.
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.
✓1. Enter global configuration mode. 2. Create the OSPFv3 process and assign a process ID. 3. Configure a router ID. 4. Enter interface configuration mode. 5. Enable OSPFv3 on the interface.Correct answer▾
Why this is correct
This sequence correctly follows the standard OSPFv3 configuration process: first enter global config, then create the OSPFv3 process with a process ID, set a router ID (required for OSPFv3), then enter interface config and enable OSPFv3 on the interface.
✗1. Enter global configuration mode. 2. Enter interface configuration mode. 3. Enable OSPFv3 on the interface. 4. Create the OSPFv3 process and assign a process ID. 5. Configure a router ID.Wrong answer — click to see why▾
Why this is wrong here
The specific factual error is that OSPFv3 requires the process and router ID to be configured before enabling it on interfaces; otherwise, the interface command may be rejected or the process may not form adjacencies.
Why candidates choose this
Candidates might think that interface configuration can be done first, similar to other protocols, but OSPFv3 requires the process to exist first.
✗1. Enter global configuration mode. 2. Create the OSPFv3 process and assign a process ID. 3. Enter interface configuration mode. 4. Enable OSPFv3 on the interface. 5. Configure a router ID.Wrong answer — click to see why▾
Why this is wrong here
The specific factual error is that the router ID is a mandatory configuration step that must be done before enabling OSPFv3 on interfaces; otherwise, the process may use an incorrect or default router ID.
Why candidates choose this
Candidates might think the router ID can be configured later, but OSPFv3 requires it early to avoid adjacency issues.
✗1. Enter global configuration mode. 2. Configure a router ID. 3. Enter interface configuration mode. 4. Enable OSPFv3 on the interface. 5. Create the OSPFv3 process and assign a process ID.Wrong answer — click to see why▾
Why this is wrong here
The specific factual error is that the router ID is configured within the OSPFv3 process (router ospfv3 [process-id]), so the process must exist first.
Why candidates choose this
Candidates might think the router ID is a global parameter, but it is actually part of the OSPFv3 process configuration.
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: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
- Authentication checks who the user is.
- Authorization controls what the user is allowed to do after login.
- Privilege levels affect access to EXEC and configuration commands.
- AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
- Do not assume successful login means full administrative access.
- Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
- Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Real-world example
How this comes up in practice
A network engineer at a university connects two campus buildings via a fibre link. Both routers run OSPF, but no adjacency forms — even though both routers can ping each other. The engineer finds one router is in area 0 and the other in area 1. OSPF adjacency requires matching area numbers, hello/dead timers, and network type. IP reachability alone is not enough.
What to study next
Got this wrong? Here's your next step.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related 200-301 questions on access control and AAA configuration.
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FAQ
Questions learners often ask
What does this 200-301 question test?
IP Routing — This question tests IP Routing — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: 1. Enter global configuration mode. 2. Create the OSPFv3 process and assign a process ID. 3. Configure a router ID. 4. Enter interface configuration mode. 5. Enable OSPFv3 on the interface. — After entering global config, create the OSPFv3 process, set a router ID, then enable OSPFv3 on the desired interfaces under interface configuration.
What should I do if I get this 200-301 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related 200-301 questions on access control and AAA configuration.
What is the key concept behind this question?
Authentication checks who the user is.
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Last reviewed: Jun 6, 2026
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