In the PTN network, the 802.1Q label header contains a 2-byte TPID. Which of the following is its standard value?
In the NG-WDM system, which one of the following boards supports optical line protection?
Which of the following protections are protected by electrical layer double transmission and selective reception?
Which of the following does not belong to the multi-level connection monitoring mode of OTN
Which of the following descriptions about network protection switching test is wrong?
Linear multiplexing section can be deployed for STM-1 interface in PTN network. What are the following overhead bytes used to transmit APS automatic protection switching protocol?
The key technology in the PTN network is IP/MPLS technology. How many levels can MPLS labels be nested?
After the LAN is divided into VLANs, if computers in different VLANs want to communicate, IP routing needs to be established. Which of the following solutions can be used?
When configuring LMSP, there are two switching modes: single turbulent cutting and inserting and double full switching. Single-ended switching does not require self-use protection
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