单项选择题
A.Lay er 5
B.Lay er 4
C.Lay er 3
D.Lay er 2
E.Lay er 1
多项选择题 Which two statements about the Cisco Aironet Desktop Utility (ADU) are true（）
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 What is the solution of the fault condition？（）
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？（）