IEEE 802.1Q defines the structure of VLAN tags, including TPID, PRI, CR, and VLAN ID. Which of the following is used to classify service
priorities?
When PTN carries LTE services, it forwards packets based on MPLS label switching. In the MPLS label, which identification field can be used as a PTN to distinguish the label
at the bottom of the stack?
In the following label operation modes, which options does the PTN device support?
Whether it is the OSI reference model or the TCP/IP protocol, the existence of the data link layer is mainly to realize which of the following functions?
OSN6800 equipment, ND2, TQX report the BUS_ERROR alarm after configuring the power cross-connect, what are the possible reasons?
When the scheduling granularity of the N302 board is ODUflex, what are the supported protection types?
100mw is roughly equal to how many dBm?
When the NE reports the TUNNEL_APS_OUTAGE alarm, what does it mean?
What are the items of routing protocols based on link state algorithm?
Which of the following combinations of dynamic optical add/drop multiplexing boards does not hold?