单项选择题 The network setup for this trouble ticket is shown in Figure 3. Trouble Ticket Statement DSW1 and R4 cannot ping R2’s loopback or R2’s s0/0/0/0.12 IPv6 address. Initial troubleshooting showsand R2 is not an OSPFv3 neighbor on R3. Configurationon R2 ipv6 unicast-routing! ipv6 router ospf 6 router-id 2.2.2.2! interface s0/0/0/0.23 ipv6 address 2026：：1：1/122 ConfigurationR3 ipv6 unicast-routing! ipv6 router ospf 6 router-id 3.3.3.3! interface s0/0/0/0.23 ipv6 address 2026：：1：2/122 ipv6 ospf 6 area 0 Figure 3 On Which device is the fault condition located?（）

单项选择题 Following ticket consists of a problem description and existing configuration on the device. Figure 1 Figure 2 Trouble Ticket Statement Client 1 is not able to reach the WebServer. Initial troubleshooting shows that DSW1 can ping the Fa0/1interface of R4 but not the s0/0/0/0.34 interface. Configurationon DSW1 router eigrp 10 network 10.1.4.4 0.0.0.0 network 10.2.1.1 0.0.0.0 network 10.2.4.13 0.0.0.0 no auto-summary Configurationon DSW2 router eigrp 10 network 10.1.4.8 0.0.0.0 network 10.2.2.1 0.0.0.0 network 10.2.4.14 0.0.0.0 no auto-summary Configurationon R4 router eigrp 10 network 10.1.4.5 0.0.0.0 no auto-summary redistribute ospf 1 metric 100 10 255 1 1500 route-map EIGRP_to_OSPF! router ospf 1 network 10.1.1.8 0.0.0.0 area 34 redistribute eigrp 10 subnets! route-map EIGRP→OSPF match ip address 1! access-list 1 permit 10.0.0.0 0.255.255.255 access-list 1 permit 209.0.0.0 0.255.255.255 On Which device is the fault condition located？（）

单项选择题 Following ticket consists of a problem description and existing configuration on the device. Figure 1 Figure 2 Trouble Ticket Statement Client 1 is not able to reach the WebServer. Initial troubleshooting shows that DSW1 can ping the Fa0/1interface of R4 but not the s0/0/0/0.34 interface. Configurationon DSW1 router eigrp 10 network 10.1.4.4 0.0.0.0 network 10.2.1.1 0.0.0.0 network 10.2.4.13 0.0.0.0 no auto-summary Configurationon DSW2 router eigrp 10 network 10.1.4.8 0.0.0.0 network 10.2.2.1 0.0.0.0 network 10.2.4.14 0.0.0.0 no auto-summary Configurationon R4 router eigrp 10 network 10.1.4.5 0.0.0.0 no auto-summary redistribute ospf 1 metric 100 10 255 1 1500 route-map EIGRP_to_OSPF ! router ospf 1 network 10.1.1.8 0.0.0.0 area 34 redistribute eigrp 10 subnets! route-map EIGRP→OSPF match ip address 1! access-list 1 permit 10.0.0.0 0.255.255.255 access-list 1 permit 209.0.0.0 0.255.255.255 What is the solution of the fault condition？（）