下图所示的OSPF网络由3个区域组成。以下说法中正确的是（ ）。
- A.R1为主干路由器
- B.R6为区域边界路由器（ABR）
- C.R7为自治系统边界路由器（ASBR）
- D.R3为内部路由器
正确答案及解析
正确答案
D
解析
如图R6是ASBR、R7是ABR、R3是内部路由器，主干区域0的路由器是主干路由器。
包含此试题的试卷
你可能感兴趣的试题
（ ）is that it provides guidance and direction on how quality will be managed and verified throughout the project.
-
- A.Plan Quality Management
- B.Manage Quality
- C.Control Quality
- D.Project Charter
- 查看答案
（ ）the process of determining,documenting,and managing stakeholder needs and requirements to meet Project objectives.
-
- A.Plan Scope Management
- B.Collection Requirements
- C.Validate Scope
- D.Control Scope
- 查看答案
The information security management system preserves the confidentiality,integrity and availability of information by applying a（ ）.
-
- A.technology management process
- B.resource management process
- C.quality management process
- D.risk management process
- 查看答案
（ ）is a decentralized database,ensure that the data will not be tampered with and forged.
-
- A.Artificial intelligence
- B.Blockchain
- C.Sensing technology
- D.Big datA
- 查看答案
（ ）puts computer resources on the web,and must meet the requirements of super capacity,super concurrency,super speed and super security.
-
- A.Cloud computing
- B.Big datA
- C.Blockchain
- D.Internet of things
- 查看答案