H12-223 무료 덤프문제 온라인 액세스

• A.The destination network described by this LSA is 10.0.23.0/24
• B.This device is AER
• C.The LSA in Figure is generated by Xinyi
• D.The type of the LSA is AS-tenaL-L84

oSPF is a very popular protocol. In the case of regular networking and correct configuration, routing calculations generally do not make mistakes. Which of the following reasons may cause 0SPF neighbors no

• A.The link works abnormally
• B.Interface OSPF MTU configuration is different
• C.The 0SPF network types at both ends of the link are inconsistent
• D.Neighbors have the same Router ID

Which of the following authorization items is not required for risky operations?

• A.Customer authorization
• B.Management authorization
• C.Administrative authorization
• D.Technology authorization

Which of the following is the core idea of network troubleshooting?

• A.Service traffic path check
• B.Information collection
• C.Determining and analysis
• D.Top-down

A network administrator fails to access devices on the internal network through Telnet. Which of the following causes is the most impossible?

• A.The protocol inbound all command is configured in the VTY user interface view.
• B.The route is unreachable, and the client fails to establish a TCP connection with the server.
• C.An ACL is bound in the VTY user interface view.
• D.The number of login users reaches the upper limit.