H12-831-ENU 試験問題を無料オンラインアクセス

When the network administrator tried to access the internal network device through Telnet, it was found that it could not be accessed. Which of the following is not the likely cause?

• A.The number of users logged into the device has reached the upper limit
• B.The protocol inbound all is configured on the VTY user interface
• C.ACL is bound in the VTY user interface
• D.The route is unreachable, and the client and server cannot establish a TCP connection

The definition of OPX is?

• A.Operating costs
• B.Operation and maintenance costs
• C.Total Cost of Ownership
• D.Maintenance costs

According to this figure, what can we judge? (Multiple choice)

• A.There must be an LSDB of Leve1-2 on R1
• B.R1 has 2 IS-IS neighbors
• C.GE0/0/1 of R1 must have the capability of Leve1-2
• D.GE0/0/0 of R1 must have the capability of Leve1-2

Which of the following description of the Confirm Failure phase in the Structured Network Troubleshooting Process is correct?

• A.Should confirm whether the non-disabled work is within the scope of their responsibility.
• B.Attention should be paid to the opinions of users, and faults should be judged based on the judgment of users.
• C.The impact should be minimized and others should not know that the network is down.
• D.Should pay attention to how to better solve the fault regardless of whether the fault belongs to its own responsibility.

DHCP Relay is also known as DHCP relay. If DHCP Relay needs to be configured, which of the following steps need to be included? (Multiple choice)

• A.Configure the IP address of the DHCP server in the DHCP server group
• B.Configure option82 insertion function
• C.Configure the interface number and the IP address of the interface to enable the DHCP Relay function
• D.Configure the group name of the DHCP server group