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Cisco인증400-101 학습자료

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400-101시험 번호/코드: 400-101
시험 이름: CCIE Routing and Switching Written Exam v5.1
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>>400-101 시험문제

300-115시험 번호/코드: 300-115
시험 이름: Implementing Cisco IP Switched Networks (SWITCH v2.0)
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300-101시험 번호/코드: 300-101
시험 이름: Implementing Cisco IP Routing (ROUTE v2.0)
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NO.1 A network administrator executes the command clear ip route. Which two tables does this
command clear and rebuild? (Choose two.)
A. Cisco Express Forwarding table
B. topology table
C. MAC address table
D. IP routing
E. ARP cache
F. FIB
Answer: D,F
300-101 시험자료
NO.2 Which NetFlow component is applied to an interface and collects information about flows?
A. flow collector
B. flow exporter
C. flow monitor
D. flow sampler
Answer: C
NO.3 A network engineer is trying to modify an existing active NAT configuration on an IOS router
by using the following command:
(config)# no ip nat pool dynamic-nat-pool 192.1.1.20 192.1.1.254 netmask 255.255.255.0
Upon entering the command on the IOS router, the following message is seen on the console:
% Dynamic Mapping in Use, Cannot remove message or the %Pool outpool in use, cannot destroy
What is the least impactful method that the engineer can use to modify the existing IP NAT
configuration?
A. Clear the IP NAT translations using the clear ip nat traffic * " command, then replace the NAT
configuration quickly, before any new NAT entries are populated into the translation table due to
active NAT traffic.
B. Clear the IP NAT translations using the clear ip nat table * " command, then replace the NAT
configuration quickly, before any new NAT entries are populated into the translation table due to
active NAT traffic.
C. Clear the IP NAT translations using the reload command on the router, then replace the NAT
configuration quickly, before any new NAT entries are populated into the translation table due to
active NAT traffic.
D. Clear the IP NAT translations using the clear ip nat translation * " command, then replace the NAT
configuration quickly, before any new NAT entries are populated into the translation table due to
active NAT traffic.
Answer: D
300-101 시험문제 300-101 Dumps
NO.4 SIMULATION
Route.com 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.
ROUTE.com'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.
Network Information
Seattle
S0/0 192.168.16.5/30 - Link between Seattle and Chicago
Secret Password: cisco
Chicago
S0/0 192.168.54.9/30 - Link between Chicago and NewYork
S0/1 192.168.16.6/30 - Link between Seattle and Chicago Secre
Password: cisco
NewYork
S0/1 192.168.54.10/30 - Link between Chicago and NewYork
Loopback0 172.16.189.189
Secret Password: cisco
Answer:
Here is the solution below:
Explanation:
Note: In actual exam, the IP addressing, OSPF areas and process ID, and router hostnames may
change, but the overall solution is the same.
Seattle's S0/0 IP Address is 192.168.16.5/30. So, we need to find the network address and wildcard
mask of
192.168.16.5/30 in order to configure the OSPF.
IP Address: 192.168.16.5 /30
Subnet Mask: 255.255.255.252
Here subtract 252 from 2565, 256-252 = 4, hence the subnets will increment by 4.
First, find the 4th octet of the Network Address:
The 4th octet of IP address (192.168.16.5) belongs to subnet 1 (4 to 7).
Network Address: 192.168.16.4
Broadcast Address: 192.168.16.7
Lets find the wildcard mask of /30.
Subnet Mask: (Network Bits - 1's, Host Bits - 0's)
Lets find the wildcard mask of /30:
Now we configure OSPF using process ID 10 (note the process ID may change to something else in
real exam).
Seattle>enable
Password:
Seattle#conf t
Seattle(config)#router ospf 10
Seattle(config-router)#network 192.168.16.4 0.0.0.3 area 21
One of the tasks states that area 21 should not receive any external or inter-area routes (except the
default route).
Seattle(config-router)#area 21 stub
Seattle(config-router)#end
Seattle#copy run start
Chicago Configuration:
Chicago>enable
Password: cisco
Chicago#conf t
Chicago(config)#router ospf 10
We need to add Chicago's S0/1 interface to Area 21
Chicago(config-router)#network 192.168.16.4 0.0.0.3 area 21
Again, area 21 should not receive any external or inter-area routes (except the default route).
In order to accomplish this, we must stop LSA Type 5 if we don't want to send external routes. And if
we don't want to send inter-area routes, we have to stop LSA Type 3 and Type 4. Therefore we want
to configure area 21 as a totally stubby area.
Chicago(config-router)#area 21 stub no-summary
Chicago(config-router)#end
Chicago#copy run start
The other interface on the Chicago router is already configured correctly in this scenario, as well as
the New York router so there is nothing that needs to be done on that router.

Posted 2017/2/15 7:45:40  |  Category: cisco  |  Tag: 400-101 학습자료