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Cisco 300-101 ROUTE 問題練習

Implementing Cisco IP Routing 試験

最新更新時間: 2020/06/29,合計4098問。

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Question No : 1
EIGRP OSPF Redistribution
You are a network engineer with, a small IT company. They have recently merged two organizations and now need to merge their networks as shown in the topology exhibit. One network is using OSPF as its IGP and the other is using EIGRP as its IGP. R4 has been added to the existing OSPF network to provide the interconnect between the OSPF and EIGRP networks. Two links have been added that will provide redundancy.
The network requirements state that you must be able to ping and telnet from loopback 101 on R1 to the OPSF domain test address of All traffic must use the shortest path that provides the greatest bandwidth. The redundant paths from the OSPF network to the EIGRP network must be available in case of a link failure. No static or default routing is allowed in either network.
Previous network engineer has started the merger implementation and has successfully assigned and verified all IP addressing and basic IGP routing. You have been tasked with completing the implementation and ensuring that the network requirements are met. You may not remove or change any of the configuration commands currently on any of the routers. You may add new commands or change default values.


Question No : 2
Route map
You are a network engineer with, a small IT company. has two connections to the Internet; one via a frame relay link and one via an EoMPLS link. IT policy requires that all outbound HTTP traffic use the frame relay link when it is available. All other traffic may use either link. No static or default routing is allowed.
Choose and configure the appropriate path selection feature to accomplish this task. You may use the Test Workstation to generate HTTP traffic to validate your solution.


Question No : 3
Acme is a small export company that has an existing enterprise network that is running IPv6 OSPFv3. Currently OSPF is configured on all routers.
However, R4′s loopback address (FEC0:4:4) cannot be seen in R1′s IPv6 routing table. You are tasked with identifying the cause of this fault and implementing the needed corrective actions that uses OSPF features and does no change the current area assignments. You will know that you have corrected the fault when R4′s loopback address (FEC0:4:4) can be seen in the routing table of R1.


Question No : 4
By increasing the first distant office, JS Industries has expanded their business with the addition of their first remote office. The remote office router (R3) was previously configured and all corporate subnets were reachable from R3. JS Industries is interested in using route summarization along with the EIGRP Stub Routing feature to increase network stability while reducing the memory usage and bandwidth utilization to R3. Another network professional was tasked with implementing this solution.
However, in the process of configuring EIGRP stub routing connectivity with the remote network devices off of R3 has been lost. Currently EIGRP is configured on all routers R2, R3, and R4 in the network. Your task is to identify and resolve the cause of connectivity failure with the remote office router R3. Once the issue has been resolved you should complete the task by configuring route summarization only to the remote office router R3. You have corrected the fault when pings from R2 to the R3 LAN interface are successful, and the R3 IP routing table only contains 2 subnets.

正解: First we have to figure out why R3 and R4 can not communicate with each other.
Use the show running-config command on router R3

Question No : 5
OSPF is a small IT corporation that is attempting to implement the network shown in the exhibit. Currently the implementation is partially completed. OSPF has been configured on routers Chicago and NewYork. The SO/O interface on Chicago and the SO/1 interface on NewYork are in Area 0. The loopbackO interface on NewYork is in Area 1.
However, they cannot ping from the serial interface of the Seattle router to the loopback interface of the NewYork router. You have been asked to complete the implementation to allow this ping.'s corporate implementation guidelines require:
• The OSPF process ID for all routers must be 10.
• The routing protocol for each interface must be enabled under the routing process.
• The routing protocol must be enabled for each interface using the most specific wildcard mask possible.
• The serial link between Seattle and Chicago must be in OSPF area 21.
• OSPF area 21 must not receive any inter-area or external routes.(except the default route)

Network Information
S0/0 -Link between Seattle and Chicago Secret Password: cisco

S0/0 -Link between Chicago and NewYork
S0/1 -Link between Seattle and Chicago Secre
Password: cisco

S0/1 -Link between Chicago and NewYork
Secret Password: cisco


Question No : 6
Areas of Router 5 and 6 are not normal areas, inspect their routing tables and determine which statement is true?

Here are the routing tables of R5 and R6:

Question No : 7
How many times was SPF algorithm executed on R4 for Area 1?

This can be found using the "show ip ospf" command on R4. Look for the Area 1stats which shows this:

Question No : 8
Which of the following statements is true about the serial links that terminate in R3

We can see the configured timers using the following command:

Question No : 9
You have been asked to evaluate an OSPF network setup in a test lab and to answer questions a customer has about its operation. The customer has disabled your access to the show running-config command.

How old is the Type 4 LSA from Router 3 for area 1 on the router R5 based on the output you have examined?

Part of the "show ip ospf database" command on R5 shows this:

The Link ID of R3 ( shows the age is 1858.

Question No : 10
What percent of R1's interfaces bandwidth is EIGRP allowed to use?

The relevant configuration of R1 is shown below:

ip bandwidth-percent eigrp 1 20
1 = the EIGRPAS
20 = 20% of the bandwidth

Question No : 11
What is the advertised distance for the network on R1?


Question No : 12
Which key chain is being used for authentication of EIGRP adjacency between R4 and R2?

R4 and R2 configs are as shown below:

Clearly we see the actual key chain is named CISCO.

Question No : 13
What type of route filtering is occurring on R6

The configuration on R6 is as follows:

This is a standard distribute list using access list number 1.

Question No : 14
You have been asked to evaluate how EIGRP is functioning in a customer network.

Traffic from R1 to R61 s Loopback address is load shared between R1-R2-R4-R6 and R1-R3-R5-R6 paths.
What is the ratio of traffic over each path?

First, find the IP address of the loopback0 interface on R6:

We see that it is, so we issue the "show ip route" command from R1 and see this:

Notice the "traffic share count" shows 19 for the first path, and 80 for the second path.

Question No : 15


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