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NAT
Client 1 and Client 2 are not able to reach the WebServer at 209.65.200.241. Initial troubleshooting shows that DSW1, DSW2 and all the routers are able to reach
the WebServer.
Configuration on R1
ip nat inside source list nat_pool interface Serial0/0/0/1 overload !
ip access-list standard nat_pool
permit 10.1.0.0
!
interface Serial0/0/0/1
ip address 209.65.200.224 255.255.255.252
ip nat outside
!
interfaceSerial0/0/0/0.12
ip address 10.1.1.1 255.255.255.252
ip nat inside
ip ospf message-digest-key 1 md5 TSHOOT
ip ospd authentication message-digest
On Which device is the fault condition located?
A R1
B DSW1
C R4
D R2
Answer: A
The Fault Condition is related to which technology?
A EIGRP
B HSRP
C BGP
D NAT
Answer: D
What is the solution of the fault condition?
A Under the interface Serial0/0/0 configuration enter the ip nat inside command
B Under the interface Serial0/0/1 configuration enter the ip nat outside command
C Under the ip access-list standar nat_trafic configuration enter the permit 10.2.0.0 0.0.255.255 command
D Under the ip access-list standar nat_trafic configuration enter the permit 209.65.200.0
0.0.0.255 command
Answer: C
OSPF 认证
Client 1 is able to ping 10.1.1.2 but not 10.1.1.1. Initial troubleshooting shows that R1 does not have any OSPF neighbors or any OSPF routes Configuration on R1: router ospf 1 log-adjacency-changes network 10.1.1.0 0.0.0.3 area 12 default-information originate always ! interfaceSerial0/0/0/0.12 point-to-point ip address 10.1.1.1 255.255.255.252 ip nat inside ip ospf message-digest-key 1 md5 TSHOOT
On which device is the fault condition located? A. R1 B. R2 C. DSW1 D. Client1 Answer: A
Fault Condition is related to which technology ？ A NAT
B IPV4 OSPF
C Static Routing
D Switch to Switch Connectivi Answer: B
What is the solution of the fault condition?
A enable OSPF Authentication on the S0/0/0 interface using the ip ospf authentication
message-digest command
B enable OSPF routing on the s0/0/0 interface using the network 10.1.1.0 0.0.0.0.255 area 12
command
C enable OSPF routing on the s0/0/1 interface using the network 209.65.200.0 0.0.0.255 area
12 command
D redistribute the BGP routes into OSPF using the redistribute BGP 65001 subnet command. Answer: A
Configuration on R2: router ospf 1 log-adjacency-changes network 10.1.1.0 0.0.0.3 area 12 ! interfaceSerial0/0/0/0.12 point-to-point ip address 10.1.1.2 255.255.255.252 ip ospf authentication message-digest ip ospf message-digest-key 1 md5 TSHOOT