Section1 – Implement an EIGRP based solution, given a network design and a set of requirements
QUESTION NO: 51
Refer to the exhibit. Routers R1 and R2 are running EIGRP and have converged. On the basis of the information that is presented, which statement is true?
A. Both outgoing and incoming routing updates on R1 will be permitted because the distribute-list 20 out Serial0/0 command cannot be used with association with the outgoing interface.
B. All incoming routing updates from R2 will be suppressed, but the outgoing updates will continue to be sent.
C. Both outgoing and incoming routing updates on R1 will be stopped because of the passiveinterface Serial0/0 configuration statement.
D. All outgoing routing updates from router R1 to router R2 will be suppressed, but the inbound updates will continue to be received.
You can use the passive-interface command to control the advertisement of routing information.
The command enables the suppression of routing updates over some interfaces while it allows updates to be exchanged normally over other interfaces.
With most routing protocols, the passive-interface command restricts outgoing advertisements only. However, when used with Enhanced Interior Gateway Routing Protocol (EIGRP), the effect is slightly different. With EIGRP running on a network, the passive-interface command stops both outgoing and incoming routing updates, since the effect of the command causes the router to stop sending and receiving hello packets over an interface.
QUESTION NO: 52
Refer to the exhibit. EIGRP is configured on all routers in the network. On a basis of the show ip eigrp topology output provided, what conclusion can be derived?
A. Router R1 is waiting for a reply from the neighbor 10.1.2.1 to the hello message sent out inquiring for a second successor to network 10.6.1.0/24.
B. Router R1 can send traffic destined for network 10.6.1.0/24 out of interface FastEthernet0/0.
C. Router R1 is waiting for a reply from the neighbor 10.1.2.1 to the hello message sent out before it declares the neighbor unreachable.
D. Router R1 is waiting for a reply from the neighbor 10.1.2.1 in response to the query sent out about network 10.6.1.0/24.
The "show ip eigrp topology" command lists all routes that EIGRP is aware of and shows whether
EIGRP is actively processing information on that route. Under most normal conditions, the routes should all be in a passive state and no EIGRP process are running for that route. If the routes are active, this could indicate the dreaded stuck in active, or SIA, state.
The fields to note in this output are as follows: P- Passive; no EIGRP computation is being performed. This is the ideal state. A- Active; EIGRP computations are "actively" being performed for this destination. Routes constantly appearing in an active state indicate a neighbor or query problem. Both are symptoms of the SIA problem. U- Update; an update packet was sent to this destination. Q- Query; a query packet was sent to this destination. R- Reply; a reply packet was sent to this destination. Route information- IP address of the route or network, its subnet mask, and the successor, or next hop to that network, or the feasible successor.
QUESTION NO: 53
Which condition must be satisfied before an EIGRP neighbor can be considered a feasible successor? Select the best response.
A. The neighbor’s advertised distance must be less than or equal to the feasible distance of the current successor.
B. The neighbor’s advertised distance must be less than the feasible distance of the current successor.
C. The neighbor’s advertised distance must be greater than the feasible distance of the current successor.
D. The neighbor’s advertised distance must be equal to the feasible distance of the current successor.
E. The neighbor’s advertised distance must be greater than or equal to the feasible distance of the current successor.
QUESTION NO: 54
According to the following output, can you tell me which command can redistribute IGRP into EIGRP?
Router eigrp 123
Router igrp 123
A. Under the router eigrp mode add redistribute igrp 123 subnets
B. Under the router igrp mode add redistribute eigrp 123
C. None, EIGRP and IGRP are automatically redistributed in this instance.
D. Under the router eigrp mode add redistribute igrp 123
The point of this question is redistribute IGRP into EIGRP.
When redistributing IGRP into EIGRP, there is a feature that they are automatically redistributed if they have same autonomous system number; in opposite, they need to manually redistributed if they have different autonomous system number. So option D is correct.
QUESTION NO: 55
When troubleshooting an EIGRP connectivity problem, you notice that two connected EIGRP routers are not becoming EIGRP neighbors. A ping between the two routers was successful. What is the next thing that should be checked? Select the best response.
A. Verify that the EIGRP hello and hold timers match exactly.
B. Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP peer command.
C. Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP traffic command.
D. Verify that EIGRP is enabled for the appropriate networks on the local and neighboring router.
The point of this question is about the condition of establish EIGRP neighbor.
You can use these ways to troubleshoot the EIGRP connectivity problem.
1. Whether EIGRP is enabled for the proper networks.
2. Whether the K values of EIGRP neighbors is the same.
3. Whether EIGRP autonomous number is the same.
*. EIGRP use multicast, not broadcast.
*. EIGRP use multicast, not broadcast.
*. Hello and hold timers match is the condition of establish OSPF neighbor, not EIGRP.
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