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Final mod 14 cisco
| Question | Answer |
|---|---|
| What table does a router use to determine how to forward an IP packet? | routing table |
| What action will a router take on a packet with a destination IP address that is on a remote network? | it will forward the packet to a next-hop router |
| Which of the following routes may be found in a routing table? (Choose all that apply.) | directly connected networks static routes dynamic routing protocol routes default route |
| What is used to determine the minimum number of far-left bits that must match between the prefix in the route entry and the destination IP address. | prefix length in the routing table entry |
| If a router needs to send an ARP Request for the destination IPv4 address of the packet, this means the packet will be forwarded: | to the device with the destination IPv4 address of the packet |
| If a router needs to send an ARP Request for the IPv4 address in one of its route entries, this means the packet will be forwarded: | to a next-hop router |
| Which packet forwarding method is used by default on Cisco routers? | Cisco Express Forwarding |
| Which routing table principle is not correct? | Routing information about a path from one network to another also provides routing information about the reverse, or return, path |
| Which route entry would be used for a packet with a destination IP address that matches an IP address of one of the router interfaces? | L for Local |
| What type of network is accessed by a single route and the router has only one neighbor? | Stub network |
| Which two route sources have the ability to automatically discover a new best path when there is a change in the topology? (Choose two.) | OSPF EIGRP |
| True or False? A default route can only be a static route. | false |
| A network administrator configures a static route for the same destination network that was learned automatically by the router using OSPF. Which route will be installed and why? | Static route because it has a lower administrative distance |
| Which type of routing automatically adapts to topology changes? | dynamic routing protocols |
| What type of routing is typically used with a stub network? | static routes |
| What metric is used by OSPF to determine the best path? | cost |
| What term is used to describe routing over two or more paths to a destination with equal cost metrics? | equal cost load balancing |
| Which feature on a Cisco router permits the forwarding of traffic for which there is no specific route? | gateway of last resort |
| Which three advantages are provided by static routing? (Choose three.) | Static routing does not advertise over the network, thus providing better security The path a static route uses to send data is known static routing typically uses less network bandwidth and fewer CPU operations than dynamic routing does |
| What are two functions of dynamic routing protocols? (Choose two.) | to maintain routing tables to discover the network |
| What is an advantage of using dynamic routing protocols instead of static routing? | ability to actively search for new routes if the current path becomes unavailable |
| Which value represents the "trustworthiness" of a route and is used to determine which route to install into the routing table when there are multiple routes toward the same destination? | administrative distance |
| Which packet-forwarding method does a router use to make switching decisions when it is using a forwarding information base and an adjacency table? | Cisco Express Forwarding |
| Which type of route would typically be used on a border router so that devices inside the company could access the Internet? | default |
| What are two functions of a router? (Choose two.) | A router connects multiple IP networks It determines the best path to send packets |
| When a router learns that multiple paths are available to a destination network from the same routing protocol, which factor is considered by a router to choose the best path to forward a packet? | the lowest metric |
| Which two route source codes are automatically created within a routing table whenever a router interface is configured with an IP address and activated? (Choose two.) | L C |
| The output of the show ip route command contains the following entry: S 10.2.0.0 [1/0] via 172.16.2.2. What value is indicated by the 1 in the [1/0] portion of the output? | administrative distance |
| Which type of static route creates a gateway of last resort? | default static route |
| What are two common types of static routes in routing tables? (Choose two) | a default static route a static route to a specific network |
| What are two reasons why an administrator might choose to use static routing rather than dynamic routing? (Choose two.) | Static routing is more secure Static routing uses less router processing and bandwidth |
| What address and prefix length is used when configuring an IPv6 default static route? | ::/0 |
Created by:
mjpsm