Q98. Which of the following queue scheduling mechanisms can ensure the priority of the most urgent and critical services?

Q99. Which of the following types of protection is electrical layer protection?

Q100. 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

Q101. Which items belong to the optical layer path in the path hierarchy of the WDM network?

Q102. 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.

Q103. Which of the following does not belong to L3VPN?

Q104. Which of the following PTN7900-32 boards supports 10DGE ports?

Q105. When configuring electrical layer crossing, what are the rules for time slot configuration?

Q106. Which of the following statements about the FEU board is false?

Q107. Plan the base station IP address network segment 10.1.1.0/26 Which of the following addresses can be used by the base station?

Q108. OptiX OSN8800 provides 8 kinds of DCM optical modules, corresponding to compensation distances of
10km, 20km, 40km, 60km, 80km, 100km, 120km and 140km
respectively

Q109. When the switch is working, the device forwards data according to the MAC address forwarding table. Which of the following statements is correct?

Q110. There are five trigger conditions for the execution of protection switching. According to the priority of the trigger conditions, they are arranged from high to low. Which of the following is correct?

Q111. NE1 and NE2 are the intersection nodes of the SNCP ring and the SNCP ring, so how many SNCP protection groups and how many unidirectional cross-connects need to be configured on NE1.
Which of the following is correct?

Q112. Which of the following are the possible reasons for the disconnection of network elements?

Q113. When creating a static tunnel, you need to specify the interface of the next hop. Which is the displayed address of the next hop?

Q114. Which of the following is the destination MAC address of the Layer 2 header of the data received by the PTN960 from the LTE base station?

Q115. In the PTN network, how many CES services can a PW carry at most?

Q116. In the MPLS label field of the PTN network, which item is the identification field of the stack bottom label?

Q117. In the PTN network, the 802.1Q label header contains a 2-byte TPID. Which of the following is its standard value?

Q118. Can’t log in after NE is created, what are the possible reasons?

Q119. The 1588V2 clock protocol can realize clock and time synchronization, and the working modes are OC, BC, TC.