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Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?
- a)The updated information will be added to the existing routing table Debug IP rip
- b)The update will be ignored and no further action will occur Debug IP route
- c)The updated information will replace the existing routing table entry
- d)The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergence
Correct answer is option 'B'. Can you explain this answer?
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Two connected routers are configured with RIP routing. What will be th...
Answer: b
Explanation: When a routing update is received by a router, the router first checks the administrative distance (AD) and always chooses the route with the lowest AD. However, if two routes are received and they both have the same AD, then the router will choose the one route with the lowest metrics, or in RIP’s case, hop count.
Explanation: When a routing update is received by a router, the router first checks the administrative distance (AD) and always chooses the route with the lowest AD. However, if two routes are received and they both have the same AD, then the router will choose the one route with the lowest metrics, or in RIP’s case, hop count.
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Two connected routers are configured with RIP routing. What will be th...
Explanation:
When a router receives a routing update that contains a higher-cost path to a network already in its routing table, the update will be ignored and no further action will occur. This behavior is based on the principles of the Routing Information Protocol (RIP), which is a distance-vector routing protocol.
RIP uses the hop count as the metric to determine the best path to a destination network. The hop count represents the number of routers that a packet must traverse to reach the destination. The lower the hop count, the better the path.
Reasons for ignoring the update:
When a router receives a routing update with a higher-cost path to a network, it means that the updated path has a greater number of hops compared to the existing path in the routing table. Therefore, the router will ignore this update and retain the existing routing table entry for the network. There are a few reasons for this behavior:
1. Stability: RIP is designed to be a stable routing protocol that avoids frequent changes to the routing table. By ignoring updates with higher-cost paths, RIP ensures that the routing table remains relatively stable. Frequent changes in the routing table can cause instability and impact network performance.
2. Loop Prevention: Ignoring updates with higher-cost paths helps to prevent routing loops. A routing loop occurs when routers continuously exchange updates with increasing hop counts, resulting in packets being stuck in an endless loop. By disregarding higher-cost paths, RIP reduces the chances of routing loops occurring.
3. Convergence Time: Ignoring updates with higher-cost paths also helps to reduce convergence time. Convergence is the process by which all routers in a network agree on the best paths to each destination network. If routers were to accept updates with higher-cost paths, they would need to recalculate and update their routing tables, which can be time-consuming. By ignoring such updates, routers can maintain their existing routing tables and avoid unnecessary recalculations.
Therefore, the correct answer is option 'B': The update will be ignored, and no further action will occur.
When a router receives a routing update that contains a higher-cost path to a network already in its routing table, the update will be ignored and no further action will occur. This behavior is based on the principles of the Routing Information Protocol (RIP), which is a distance-vector routing protocol.
RIP uses the hop count as the metric to determine the best path to a destination network. The hop count represents the number of routers that a packet must traverse to reach the destination. The lower the hop count, the better the path.
Reasons for ignoring the update:
When a router receives a routing update with a higher-cost path to a network, it means that the updated path has a greater number of hops compared to the existing path in the routing table. Therefore, the router will ignore this update and retain the existing routing table entry for the network. There are a few reasons for this behavior:
1. Stability: RIP is designed to be a stable routing protocol that avoids frequent changes to the routing table. By ignoring updates with higher-cost paths, RIP ensures that the routing table remains relatively stable. Frequent changes in the routing table can cause instability and impact network performance.
2. Loop Prevention: Ignoring updates with higher-cost paths helps to prevent routing loops. A routing loop occurs when routers continuously exchange updates with increasing hop counts, resulting in packets being stuck in an endless loop. By disregarding higher-cost paths, RIP reduces the chances of routing loops occurring.
3. Convergence Time: Ignoring updates with higher-cost paths also helps to reduce convergence time. Convergence is the process by which all routers in a network agree on the best paths to each destination network. If routers were to accept updates with higher-cost paths, they would need to recalculate and update their routing tables, which can be time-consuming. By ignoring such updates, routers can maintain their existing routing tables and avoid unnecessary recalculations.
Therefore, the correct answer is option 'B': The update will be ignored, and no further action will occur.
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Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?a)The updated information will be added to the existing routing table Debug IP ripb)The update will be ignored and no further action will occur Debug IP routec)The updated information will replace the existing routing table entryd)The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergenceCorrect answer is option 'B'. Can you explain this answer?
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Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?a)The updated information will be added to the existing routing table Debug IP ripb)The update will be ignored and no further action will occur Debug IP routec)The updated information will replace the existing routing table entryd)The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergenceCorrect answer is option 'B'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?a)The updated information will be added to the existing routing table Debug IP ripb)The update will be ignored and no further action will occur Debug IP routec)The updated information will replace the existing routing table entryd)The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergenceCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?a)The updated information will be added to the existing routing table Debug IP ripb)The update will be ignored and no further action will occur Debug IP routec)The updated information will replace the existing routing table entryd)The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergenceCorrect answer is option 'B'. Can you explain this answer?.
Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?a)The updated information will be added to the existing routing table Debug IP ripb)The update will be ignored and no further action will occur Debug IP routec)The updated information will replace the existing routing table entryd)The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergenceCorrect answer is option 'B'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?a)The updated information will be added to the existing routing table Debug IP ripb)The update will be ignored and no further action will occur Debug IP routec)The updated information will replace the existing routing table entryd)The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergenceCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?a)The updated information will be added to the existing routing table Debug IP ripb)The update will be ignored and no further action will occur Debug IP routec)The updated information will replace the existing routing table entryd)The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergenceCorrect answer is option 'B'. Can you explain this answer?.
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