NO.94 Which of the following is the main structure of the N-way wavelength multiplexing WDM system?

NO.95 OptiX OSN 6800 supports centralized crossover and distributed crossover. When two kinds of crossovers exist, the system prefers to use centralized crossover

NO.96 When configuring SxCS board for OSN3500. Which of the following is the access capacity of a fully configured subrack?

NO.97 After the alarm inversion is set on the U2000, the alarm status of the board will also be changed accordingly, and the actual alarm status will no longer be indicated.

NO.98 Which of the following descriptions about the use of detection packets in the PTN LTE scheme BFD is correct?

NO.99 Which of the following descriptions about electrical layer service configuration is wrong?

NO.100 In the NG-WDM system, which of the following boards supports optical line protection?

NO.101 In PTN, LSP is created statically. Which items are correct in the following description about LSP creation?

NO.102 Which of the following items can be included in the upgradeable boards of the PTN3900 NE upgrade operation?

NO.103 When the NE reports the TUNNEL_APS_OUTAGE alarm, what does it mean?

NO.104 The MPLS label has four identification fields, Lable, EXP, S and TTL, with a total of 4 bytes, of which Lable occupies 20 bits. The label value 0-15 is reserved for special purposes, which indicates that the inner payload carried is MPLS-OAM packet. , the label value is which of the following?

NO.105 Regarding the function of backing up and restoring all data in the network management database, which of the following statements is correct?

NO.106 In the following label operation modes, which options does the PTN device support?

NO.107 Standard FEC, AFEC and HFEC techniques all increase the FEC overhead, and the coding gains achieved are progressively increased.

NO.108 Which of the following layers of overhead belong to the electrical layer overhead of OTN

NO.109 According to the deployment plan of the existing network, which protocol does not need to be deployed for the interconnection between PTN equipment and SGW

NO.110 The activation operation is successful in the PTN network element upgrade operation. Which of the following states is the network element in?

NO.111 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?

NO.112 STM-N signal transmission on the line needs to be scrambled, mainly to facilitate collection and extraction of line timing signals. Will all bytes in the SDH frame structure be scrambled?

NO.113 In the PTN network, the L3 node needs to learn the ARP message to forward the message to the SGW. What is the type of the ARP response message?