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Question 1,348 of 1,052
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CCNA Practice Question: Which TWO statements accurately describe the…
This 200-301 practice question tests your understanding of 200-301 exam topics. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
Which TWO statements accurately describe the behavior and configuration of floating static routes?
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
✓
A floating static route uses an administrative distance greater than that of the primary dynamic route.
Floating static routes are backup routes that become active only when the primary route fails. They are configured with a higher administrative distance than the primary route, so they are less preferred. Option B is correct because a floating static route uses an AD higher than the primary dynamic route, ensuring it only appears in the routing table when the dynamic route is removed. Option D is correct because the higher AD makes the floating static route less preferred, so it only becomes active when the primary route is lost. Option A is incorrect: a floating static route has a higher AD, not lower. Option C is incorrect: the AD must be greater than the primary route’s AD (e.g., 1 for directly connected, 110 for OSPF, 120 for RIP), not less. Option E is incorrect: a floating static route is a backup and must be manually removed; it does not automatically adjust.</p><p><strong>Correct answers: B and D.</strong>
Key principle: OSPF neighbour adjacency depends on matching area, hello/dead timers, network type, and authentication — IP reachability alone is not enough.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A floating static route is configured with a lower administrative distance than the primary dynamic route.
Why it's wrong here
A floating static route must have a higher administrative distance than the primary route to be used as a backup.
- ✓
A floating static route uses an administrative distance greater than that of the primary dynamic route.
Why this is correct
The higher AD ensures the floating static route is less preferred and only used when the primary route fails.
Related concept
OSPF neighbours must agree on key parameters.
- ✗
The administrative distance of a floating static route must be less than 1.
Why it's wrong here
The AD for a floating static route must be greater than the primary route's AD; AD values range from 0 to 255, and less than 1 is impossible.
- ✓
A floating static route becomes active only when the primary route is removed from the routing table.
Why this is correct
Because the floating static route has a higher AD, it will not appear in the routing table unless the primary route (with lower AD) is absent.
Related concept
OSPF neighbours must agree on key parameters.
- ✗
Floating static routes automatically adjust their administrative distance based on network conditions.
Why it's wrong here
The AD of a floating static route is manually configured and does not change dynamically.
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.
✓A floating static route uses an administrative distance greater than that of the primary dynamic route.Correct answer▾
Why this is correct
The higher AD ensures the floating static route is less preferred and only used when the primary route fails.
✗A floating static route is configured with a lower administrative distance than the primary dynamic route.Wrong answer — click to see why▾
Why this is wrong here
A lower AD would make the static route preferred over the dynamic route, not floating.
✗The administrative distance of a floating static route must be less than 1.Wrong answer — click to see why▾
Why this is wrong here
AD values are integers; 0 is directly connected, and 1 is static. A floating static route must be >1 to be less preferred than a static default.
✗Floating static routes automatically adjust their administrative distance based on network conditions.Wrong answer — click to see why▾
Why this is wrong here
AD is a static value set at configuration time; it does not auto-adjust.
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: 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 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 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 200-301 OSPF questions on adjacency and route selection.
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FAQ
Questions learners often ask
What does this 200-301 question test?
OSPF neighbours must agree on key parameters.
What is the correct answer to this question?
The correct answer is: A floating static route uses an administrative distance greater than that of the primary dynamic route. — Floating static routes are backup routes that become active only when the primary route fails. They are configured with a higher administrative distance than the primary route, so they are less preferred. Option B is correct because a floating static route uses an AD higher than the primary dynamic route, ensuring it only appears in the routing table when the dynamic route is removed. Option D is correct because the higher AD makes the floating static route less preferred, so it only becomes active when the primary route is lost. Option A is incorrect: a floating static route has a higher AD, not lower. Option C is incorrect: the AD must be greater than the primary route’s AD (e.g., 1 for directly connected, 110 for OSPF, 120 for RIP), not less. Option E is incorrect: a floating static route is a backup and must be manually removed; it does not automatically adjust.</p><p><strong>Correct answers: B and D.</strong>
What should I do if I get this 200-301 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 200-301 OSPF questions on adjacency and route selection.
What is the key concept behind this question?
OSPF neighbours must agree on key parameters.
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