What is a key advantage of OSPF over RIP in dynamic routing? Learn how OSPF uses less bandwidth and adapts efficiently to network changes—essential for Cisco Certified Support Technician (CCST) Networking 100-150 exam success.
Table of Contents
Question
A router is using OSPF for dynamic routing. What is a key advantage of OSPF over RIP?
A. Uses less bandwidth
B. Sends full routing tables frequently
C. Requires fewer IP addresses
D. Only supports IPv6
E. Does not support VLANs
Answer
A. Uses less bandwidth
Explanation
OSPF (Open Shortest Path First) is more efficient than RIP, as it only sends updates when network topology changes.
A key advantage of OSPF over RIP is that OSPF uses less bandwidth.
OSPF (Open Shortest Path First) is a link-state routing protocol that sends updates only when there are changes in the network topology, rather than sending the entire routing table at regular intervals as RIP does. This approach minimizes unnecessary network traffic and conserves bandwidth.
RIP (Routing Information Protocol), by contrast, is a distance-vector protocol that periodically broadcasts the entire routing table to all neighbors, consuming more bandwidth and making it less efficient, especially in larger or more complex networks.
OSPF’s efficient use of bandwidth allows it to scale better, converge faster, and support larger, more dynamic networks without causing excessive overhead.
Additional OSPF advantages include no hop count limitation and faster convergence, but the most direct answer to the question of bandwidth usage is that OSPF is more bandwidth-efficient than RIP.
OSPF is more efficient than RIP because it only sends updates when network topology changes, reducing bandwidth consumption and improving overall network performance.
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