The answer is that RIP scales poorly due to slow convergence and a hard hop-count limitation, making it unsuitable for large modern enterprise networks. This is because RIP uses a maximum metric of 15 hops, meaning any network 16 hops away is considered unreachable, which severely restricts network diameter. Additionally, RIP relies on periodic full routing table updates every 30 seconds and uses slow convergence mechanisms like hold-down timers, leading to prolonged routing loops and instability as the network grows. On the CCNA 200-301 v2 exam, this concept tests your understanding of routing protocol scalability trade-offs, often appearing in questions comparing distance vector protocols to link-state protocols like OSPF. A common trap is assuming RIP’s simplicity makes it viable for large networks, but the exam emphasizes that its hop-count ceiling and slow convergence are dealbreakers. Memory tip: think of RIP’s “15” as the number of friends you can call before the line goes dead—past that, the network is unreachable.
CCNA IP Routing Practice Question
This 200-301 practice question tests your understanding of ip routing. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: rIP uses hop count as its routing metric and limits the maximum hop count to 15, restricting network size and scalability.. 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.
Why is RIP rarely chosen for large modern enterprise networks?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It scales poorly due to slow convergence and hop-count limitations
RIP is simple but has important scalability limits, including a maximum metric of 15 and relatively slow convergence compared with more modern protocols such as OSPF and EIGRP.
Key principle: RIP uses hop count as its routing metric and limits the maximum hop count to 15, restricting network size and scalability.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
If the exam question asked about routing protocols that do not support IPv4 at all, or if it specifically focused on protocols that are exclusively designed for IPv6, then this option would be correct as RIP would not be applicable in those scenarios.
✓
It scales poorly due to slow convergence and hop-count limitations
Why this is correct
Correct. Limited scale and slower convergence are major reasons RIP is rarely used in large environments.
Related concept
RIP uses hop count as its routing metric and limits the maximum hop count to 15, restricting network size and scalability.
✗
It cannot run on routers and only works on switches
Why it's wrong here
RIP is a routing protocol for routers, not a switch-only feature.
When this WOULD be correct
If the exam question asked about protocols that are exclusively designed for Layer 2 devices, or if it specified a scenario where only switches are being configured for routing, then this option could be correct. For example, a question could ask which protocols are not applicable to routers in a Layer 2-only network.
✗
It requires link-state advertisements
Why it's wrong here
RIP is a distance-vector protocol, not a link-state protocol.
When this WOULD be correct
In a question asking about the characteristics of link-state routing protocols, stating that RIP requires link-state advertisements would be correct. For example, if the question specified which protocols utilize link-state advertisements, this option would accurately describe RIP's absence of that feature.
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.
✓It scales poorly due to slow convergence and hop-count limitationsCorrect answer▾
Why this is correct
Correct. Limited scale and slower convergence are major reasons RIP is rarely used in large environments.
✗It does not support IPv4Wrong answer — click to see why▾
Why this is wrong here
RIP supports both IPv4 and IPv6 (RIPng). The statement is factually incorrect because RIP has been used for IPv4 routing since its inception.
★ When this WOULD be the correct answer
If the exam question asked about routing protocols that do not support IPv4 at all, or if it specifically focused on protocols that are exclusively designed for IPv6, then this option would be correct as RIP would not be applicable in those scenarios.
Why candidates choose this
Students might confuse RIP's age or simplicity with a lack of IPv4 support, or think that only newer protocols support IPv4.
✗It cannot run on routers and only works on switchesWrong answer — click to see why▾
Why this is wrong here
RIP is a routing protocol that runs on routers, not switches. While some multilayer switches can run routing protocols, RIP is not exclusive to switches.
★ When this WOULD be the correct answer
If the exam question asked about protocols that are exclusively designed for Layer 2 devices, or if it specified a scenario where only switches are being configured for routing, then this option could be correct. For example, a question could ask which protocols are not applicable to routers in a Layer 2-only network.
Why candidates choose this
A test-taker might think RIP is only for switches because it is simpler and sometimes used in small networks where switches might perform routing, but that is not accurate.
✗It requires link-state advertisementsWrong answer — click to see why▾
Why this is wrong here
RIP is a distance-vector protocol, not a link-state protocol. It uses hop count as its metric and exchanges entire routing tables, not link-state advertisements (LSAs) like OSPF.
★ When this WOULD be the correct answer
In a question asking about the characteristics of link-state routing protocols, stating that RIP requires link-state advertisements would be correct. For example, if the question specified which protocols utilize link-state advertisements, this option would accurately describe RIP's absence of that feature.
Why candidates choose this
Students often confuse distance-vector and link-state protocols. They might incorrectly associate RIP with LSAs because both are routing protocols, but the mechanism is different.
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: answer the scenario, not the keyword
Don't confuse RIP's limitations with features of other protocols; remember RIP's maximum hop count and distance-vector nature.
Detailed technical explanation
How to think about this question
Routing Information Protocol (RIP) is one of the earliest distance-vector routing protocols designed for IP networks. It uses hop count as its routing metric, with a maximum allowable hop count of 15, which limits the size of networks it can support. RIP periodically broadcasts its entire routing table every 30 seconds, which can lead to slow convergence and increased network traffic. In Cisco environments, RIP is supported for both IPv4 and IPv6 but is generally considered outdated for large or complex enterprise networks.
The decision to avoid RIP in large modern enterprise networks stems from its inherent scalability and performance limitations. Its maximum hop count of 15 restricts network diameter, making it unsuitable for extensive topologies. Additionally, RIP’s slow convergence time can cause routing loops and temporary loss of connectivity during topology changes, unlike more advanced protocols such as OSPF or EIGRP that use faster convergence mechanisms and more sophisticated metrics. Cisco’s CCNA curriculum emphasizes that RIP’s simplicity comes at the cost of efficiency and scalability.
A common exam trap is confusing RIP’s characteristics with those of link-state protocols or assuming it does not support IPv4. Candidates might incorrectly select options suggesting RIP requires link-state advertisements or is switch-only, which are false. Practically, RIP is still useful in small or simple networks but is rarely deployed in enterprise environments due to these limitations. Understanding RIP’s metric, convergence behavior, and protocol type helps avoid these misconceptions and correctly identify why it is rarely chosen for large networks.
KKey Concepts to Remember
RIP uses hop count as its routing metric and limits the maximum hop count to 15, restricting network size and scalability.
RIP periodically broadcasts its entire routing table every 30 seconds, which contributes to slower convergence compared to modern protocols.
RIP is a distance-vector routing protocol and does not use link-state advertisements like OSPF.
RIP supports IPv4 routing and can operate on routers, not switches exclusively.
Slow convergence in RIP can lead to routing loops and temporary network outages during topology changes.
Modern enterprise networks prefer protocols like OSPF or EIGRP due to their faster convergence and better scalability.
RIP’s simplicity makes it suitable for small or simple networks but unsuitable for large enterprise environments.
Understanding RIP’s metric and convergence limitations is critical to distinguishing it from other routing protocols in Cisco exams.
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.
Key takeaway
RIP uses hop count as its routing metric and limits the maximum hop count to 15, restricting network size and scalability.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 200-301 question in full detail.
Review rIP uses hop count as its routing metric and limits the maximum hop count to 15, restricting network size and scalability., then practise related 200-301 questions on the same topic to reinforce the concept.
IP Routing — This question tests IP Routing — RIP uses hop count as its routing metric and limits the maximum hop count to 15, restricting network size and scalability..
What is the correct answer to this question?
The correct answer is: It scales poorly due to slow convergence and hop-count limitations — RIP is simple but has important scalability limits, including a maximum metric of 15 and relatively slow convergence compared with more modern protocols such as OSPF and EIGRP.
What should I do if I get this 200-301 question wrong?
Review rIP uses hop count as its routing metric and limits the maximum hop count to 15, restricting network size and scalability., then practise related 200-301 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
RIP uses hop count as its routing metric and limits the maximum hop count to 15, restricting network size and scalability.
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