Exam 200-301 topic 1 question 1 discussion

A. default route The default route is 0.0.0.0/0, it is used to reach all destinations not included in the routing table. But the router already has a route to 10.10.13.10/32. The default route is not needed. Wrong answer. B. network route The routing table includes a route to 10.10.13.0/25. This subnet has these characteristics: 7 bits in the host ID = (2^7 – 2) = 126 IP addresses 1st IP address = 10.10.13.1 Last IP address = 10.10.13.126 This route includes address 10.10.13.10 and is an OSPF route (see the leading O). Correct answer. C. host route There’s no host route in the routing table. Wrong answer. D. floating static route A floating static route is used as a “backup” route to reach a subnet when the “main” route fails. But here the route to the host’s subnet is already in the routing table, and it is working. Wrong answer.

I would have to guess that B is correct, here is why. Remember, when you set up a route, if you can do a route summary. For example, if you have a router connected to a bunch of other routers with 10.1.1.0/24, 10.1.2.0/24, 10.1.3.0/24 and so on, you could just set one route to 10.1.0.0/16, and the router will forward all traffic that is 10.1.X.X /X to that location. Since the route table shows a /25 network that is 10.10.13.X/25 that is the route it goes to. That route is discoverd by OSPF, a network protocol, aka, the answer is a network path. Hope this clears up some confusion. I did some serious study before looking at this, and CCNA is really just trying to screw with us.

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b. Network route

The correct router type configured to reach the internet, as shown in the exhibit, is: A. default route Explanation: A default route is a route that is used to forward packets when the destination network is not explicitly known in the routing table. In this context, the default route would be used to send traffic to the internet, as it's typically represented by the route 0.0.0.0/0, indicating all networks that are not directly connected or otherwise configured. Other options: Network route is used to route traffic to a specific network. Host route is for a specific single host (e.g., /32 route). Floating static route is a static route with a higher administrative distance, used as a backup.

B is the correct answer

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network route is essentially the map that data packets follow across networks, guided by routers and routing protocols, to reach their destination.

B. network route Explanation: R1 uses a network route to reach host 10.10.13.10/32. This can be determined from the routing table entry "10.10.13.0/25 [110/6576] via 10.10.10.1," which indicates that R1 has a route to the network 10.10.13.0/25 that includes the host 10.10.13.10. This is not a default route, host route, or floating static route.

Why is everybody assming the default network mask is /24 to calculate the subnets ip ranges ?

B is right because we need to use dynamic protocol as it displays in the routing table in order to reach 10.10.13.0 /25 network.

B is right because to reach the network: 10.10.13.0 /25 we should use dynamic protocol as OSPF- the shortest and fast protocol to reach the host.

B, is correct answer. Because Network route is used to select the best and shortest path in routing

C - host router by OSPF

The answer is C. Look at the mask (/32). A host route is a route for one specific host so the mask must be /32.

My answer is B for floating static route - AD is always not default AD, like it should be greater than 110 or less than 110 (OSPF Default AD is: 110) so answer is not floating static route. for default route - ipv4 default route is 0.0.0.0. so answer is not default route for host route - the subnet mask will be /32 so answer is no host route thanks for the up votes

B. Network route