The router works on the third layer (network layer) of the TCP/IP protocol stack. Which of the following is the main job it completes?

• A.Establish turbulent-to-turbulent connections
• B.Binary Data Streaming
• C.Physical Media Access
• D.Addressing and Routing

Comment: *

Name: *

Email: *

Verification: *

In the Huawei PTN7900 LTE solution, which of the following protection methods are used in the L2VPN part?

• A.MC-LAG
• B.IP/VPN FRR
• C.VPN FRR
• D.MC-PW APS

Comment: *

Name: *

Email: *

Verification: *

Which of the following is not included in the function of the Inspector inspection tool?

• A.Support viewing inspection results and importing and exporting inspection data.
• B.Generate an inspection report according to the passing of inspection items and analyze the situation.
• C.Perform inspection tasks from the batch of relevant information obtained from NEs
• D.Collect network element performance data for inspection

Comment: *

Name: *

Email: *

Verification: *

0TUK_LOF is a 0TUK layer alarm, which means the OTuk frame is lost, the FAS frame alignment is detected, and the alarm is reported when the frame is out of synchronization for 5ms. The alarmends after the frame synchronization state is restored for 5ms.

• A.False
• B.True

Comment: *

Name: *

Email: *

Verification: *

The L3VPN routing of the PTN LTE network includes user-side routing and network-side routing. What are the items based on which VPN routing forwarding table is finally generated?

• A.User-side routing needs to be manually configured by the administrator
• B.Use the U2000 and the configured user-side routes to automatically calculate and generate network-side routes
• C.Use MP-BGP to propagate user-side routes
• D.The PTN6900 at the core layer needs to be configured as a VPN peer relationship

Comment: *

Name: *

Email: *

Verification: *