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 shows and 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 The Fault Condition is related to which technology？（）

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？（）