MPLS is used to label packets instead of IP forwarding. Which of the following descriptions about MPLS packet encapsulation are correct?
The ARP protocol is a broadcast-based protocol through which the host can dynamically discover the MAC address corresponding to an address.
Where in the L2/L3 node is the VLAN in the Layer 2 header stripped in the packet sent by the base station in the LTE solution?
In OptⅸPTN3900, which of the following slots can MQ1 be placed in?
Which of the following items can be included in the upgradeable boards of the PTN3900 NE upgrade operation?
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?
Which of the following items are the main functions of the U2000 network management?
The frame rate of STM-1, STM-4, STM-16, STM-64 signals are all the same 8000 frames/sec.
In the PHB̂ category of common FTN service flows, which of the following corresponds to the voice service?
Which of the following statements about multiplexed partial range error indication (MS-REI) is true
① B2 byte represents the transmission channel.
② M1 byte folder indicates the transmission channel
③ MS-REI is sent from the receiver to the source.
④ MS-REI is transmitted from source to receiver
⑤ Indicates the number of bit errors detected by the receiver after receiving the MS signal.
