Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
What is the main operational value of a floating static route in a routed network?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
It provides a backup route that becomes active if the preferred route is lost.
This is correct because floating static routes are designed as standby paths.
B
Distractor review
It always overrides dynamic routing because it is static.
This is wrong because floating statics are given higher administrative distance so they do not override the preferred route.
C
Distractor review
It removes the need for any default route.
This is wrong because floating statics do not eliminate other route-design choices.
D
Distractor review
It converts dynamic routes into connected routes.
This is wrong because floating statics do not change route types in that way.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A common exam trap is assuming that all static routes always override dynamic routes because static routes have a default administrative distance of 1. However, floating static routes intentionally use a higher administrative distance to avoid this behavior. This means floating static routes do not become active unless the preferred dynamic route disappears. Misunderstanding this can lead to incorrect answers that claim floating static routes always override dynamic routes, which is false. The key is recognizing that floating static routes serve as backup routes, not primary routes.
Technical deep dive
How to think about this question
A floating static route is a static route configured with an administrative distance higher than that of the primary routing protocol or static route. This means it remains inactive during normal operation because routing decisions always prefer the route with the lowest administrative distance. The floating static route acts as a backup path that only becomes active if the preferred route fails or is removed from the routing table. This mechanism provides network redundancy without interfering with the primary routing protocol's normal operation. In Cisco routing, administrative distance is the metric used to select the best path when multiple routes to the same destination exist from different sources. By assigning a floating static route a higher administrative distance than the dynamic routing protocol (such as OSPF or EIGRP), the router prefers the dynamic route under normal conditions. If the dynamic route disappears, the floating static route's higher administrative distance no longer matters because it becomes the only available route, thus automatically taking over traffic forwarding. A common exam trap is to confuse floating static routes with regular static routes that always override dynamic routes due to their lower administrative distance. In reality, floating static routes deliberately use a higher administrative distance to avoid overriding preferred routes. This design ensures that floating static routes do not disrupt normal routing but provide seamless failover. Practically, this allows network engineers to implement backup routes without manual intervention during outages, improving network resilience and stability.
KKey Concepts to Remember
- A floating static route uses a higher administrative distance than the primary route to remain inactive until needed.
- Administrative distance determines route preference when multiple routes to the same destination exist.
- Floating static routes provide automatic backup routing by activating only if the preferred route fails.
- Dynamic routing protocols like OSPF or EIGRP typically have lower administrative distances than floating static routes.
- Floating static routes do not override dynamic routes during normal operation due to their higher administrative distance.
- Network devices install floating static routes in the routing table only when no better route is available.
- Floating static routes improve network redundancy without requiring manual route changes during failover.
- Assigning an appropriate administrative distance is critical to ensure floating static routes function as intended.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A router learns the same prefix from both OSPF and EIGRP. Which route is installed by default?
Question 2
A router shows this output: R1#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 10.1.1.2 1 FULL/DR 00:00:34 192.168.12.2 GigabitEthernet0/0 10.1.1.3 1 2WAY/DROTHER 00:00:39 192.168.12.3 GigabitEthernet0/0 Which statement is correct?
Question 3
What is the OSPF metric called?
Question 4
A non-root switch has two uplinks toward the root bridge. One path has a lower total STP cost than the other. What role will the lower-cost uplink have?
Question 5
A router interface applies this ACL inbound: 10 deny tcp any any eq 80 20 permit ip any any A user reports that web browsing to a server by IP address fails, but ping works. Which statement best explains the behavior?
Question 6
A router learns route 198.51.100.0/24 from OSPF with AD 110 and also has a static route to the same prefix configured with AD 150. Which route is installed?
FAQ
Questions learners often ask
What does this 200-301 question test?
A floating static route uses a higher administrative distance than the primary route to remain inactive until needed.
What is the correct answer to this question?
The correct answer is: It provides a backup route that becomes active if the preferred route is lost. — The main operational value of a floating static route is simple backup routing. In plain language, it gives the router a standby path that can take over automatically if the preferred route disappears, while staying out of the way during normal operation. This is achieved by assigning it a higher administrative distance than the primary route source. Floating statics are useful because they provide failover without forcing the administrator to remove the primary dynamic design. The correct answer is the one that emphasizes reserve-path behavior rather than immediate preference.
What should I do if I get this 200-301 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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