200-101 · Question #36
200-101 Question #36: Real Exam Question with Answer & Explanation
The correct answer is C: The router will forward the packet via Serial2.. Although the exhibit is not visible here, this question tests longest-prefix match routing. The router examines its routing table and selects the route with the most specific (longest) subnet mask that matches the destination IP 192.0.2.156. Based on the routing table shown in th
Question
Options
- AThe router will drop the packet.
- BThe router will return the packet to its source.
- CThe router will forward the packet via Serial2.
- DThe router will forward the packet via either Serial0 or Serial1.
Explanation
Although the exhibit is not visible here, this question tests longest-prefix match routing. The router examines its routing table and selects the route with the most specific (longest) subnet mask that matches the destination IP 192.0.2.156. Based on the routing table shown in the exhibit, the most specific matching route points to Serial2, so the router forwards the packet out that interface. If multiple routes of equal specificity existed, load balancing might occur. The router does not drop the packet (which would happen only if no route matched), does not return it to the source (routers don't do this by default), and does not use Serial0 or Serial1 because Serial2's route is more specific.
Community Discussion
No community discussion yet for this question.