A.SOA is based on the network, eliminates the information gap caused by heterogeneous systems, integrates various services such as storage, security, and multimedia, and realizes the componentization and resourceization of IT infrastructure.

B.SOA solutions require the integration of IT infrastructure, and a unified IT infrastructure platform based on network technology.

C.The IToIP solution embodies the core idea of SOA.

D.IToIP allows flexible, fast and efficient construction of enterprise intelligent applications, and can quickly adapt to changes in enterprise business processes.

A.A

B.B

C.C

D.D

A.Ingress Policy > Priority Routing > Aggregation > Install > Egress Policy

B.Ingress Policy > Aggregation > Priority Routing > Install > Egress Policy

C.Ingress Policy > Aggregation > Install > Preferred Route > Egress Policy

D.Ingress Policy > Preferred Route > Install > Aggregation > Egress Policy

A.Configure IPSec policy to authenticate OSPFv3 protocol

B.Configure Authentication in OSPFv3 Process View

C.Configure OSPFv3 area and authentication in interface view

D.Configure Authentication in the OSPFv3 Process Area View

A.Level-0

B.Level-3

C.Level-1

D.Level-2