Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
What is the main reason administrators use floating static routes in networks that already run dynamic routing protocols?
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
To provide a backup route that takes over if the preferred dynamic route is lost.
This is correct because floating static routes are designed as standby paths.
B
Distractor review
To force static routing to override the dynamic protocol all the time.
This is wrong because floating statics are deliberately given higher distance so they do not normally override the preferred route.
C
Distractor review
To eliminate the need for routing metrics entirely.
This is wrong because floating statics do not remove the role of metrics inside dynamic routing.
D
Distractor review
To convert default routes into connected routes.
This is wrong because floating static routes do not change route types in that way.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A frequent exam trap is assuming floating static routes always override dynamic routes. Many candidates mistakenly believe floating statics are used to force static routes to take precedence permanently. However, floating static routes are deliberately assigned a higher administrative distance so they remain inactive while the dynamic route is available. This misunderstanding leads to selecting options that describe static routes overriding dynamic routing rather than serving as backups. Remember, floating static routes only become active when the preferred dynamic route fails, enabling failover without disrupting normal routing behavior.
Technical deep dive
How to think about this question
Floating static routes are static routes configured with an administrative distance higher than the dynamic routing protocol's default distance. This design ensures that the dynamic routing protocol's routes are preferred and installed in the routing table under normal conditions. The floating static route remains inactive but ready to be used if the dynamic route fails, providing a simple and reliable backup path without disrupting the routing process. In Cisco routing, the administrative distance (AD) is a key metric used to select the best route when multiple routes to the same destination exist. By assigning a floating static route an AD higher than the dynamic protocol's AD (for example, 250 for static vs. 110 for OSPF), the router prefers the dynamic route. If the dynamic route disappears, the floating static route's lower priority no longer matters, and it becomes active, ensuring seamless failover. A common exam trap is confusing floating static routes with static routes that override dynamic routes immediately. Floating static routes are not meant to replace dynamic routes but to act as backups. Misunderstanding this can lead to incorrect answers suggesting floating statics force static routing to always override dynamic routing. In practical networks, floating static routes provide a straightforward failover mechanism without complex protocol changes or metric manipulation.
KKey Concepts to Remember
- Floating static routes are configured with a higher administrative distance than dynamic routing protocols to act as backup routes.
- The router prefers dynamic routing protocol routes over floating static routes due to lower administrative distance.
- Floating static routes remain inactive in the routing table until the preferred dynamic route fails or is removed.
- Administrative distance determines route preference when multiple routes to the same destination exist.
- Floating static routes provide simple failover without requiring changes to dynamic routing protocol configurations.
- Static routes with lower administrative distance than dynamic routes override dynamic routing and become preferred routes.
- Dynamic routing protocols use metrics to select the best path, but floating static routes rely solely on administrative distance.
- Floating static routes do not convert default routes into connected routes; they only provide backup paths.
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?
Floating static routes are configured with a higher administrative distance than dynamic routing protocols to act as backup routes.
What is the correct answer to this question?
The correct answer is: To provide a backup route that takes over if the preferred dynamic route is lost. — Administrators use floating static routes to provide simple backup paths without replacing the preferred dynamic routes during normal operation. In plain language, the static route is intentionally given a higher administrative distance so it stays inactive until the better route disappears. That makes failover possible without changing the normal routing design. This is a very practical design technique. The correct answer is the one centered on backup behavior rather than on 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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