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SNCP switching speed can be improved if SNCP services with the same source, sink or route are grouped
CAR is deployed on PTN equipment. Which of the following descriptions is wrong?
In order to quickly locate and eliminate the faults of optical network equipment in a timely manner, maintenance personnel are proficient in the basic operation of common transmission instruments. Which of the following instruments are
commonly used in optical network equipment maintenance?
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?
Which of the following is wrong about the comparison between Raman amplifiers and EDFAs?
Which of the following are the possible causes of PW failures in the network?
When it is found that the local end reports the ETH_LOS alarm, the fault can be located by the switch-back method. If the alarm disappears after the ODF loops back to the local end, which of the following may be
the cause?
When TCAT adds points, it recalculates the Tunnel and distributes the configuration. Which of the following information is being modified?
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?
In the PTN core routing table, what is the routing distance value, which means it is directly connected to the current network element?
CAR is deployed on PTN equipment. Which of the following descriptions is wrong?
Regarding the operation of deleting the path from the network management, which of the following statements is wrong?
What kind of fault detection is used to trigger VPN FRR protection in PTN LTE?
Which of the following protections are protected by electrical layer double transmission and selective reception?
Which of the following technologies is used in the dynamic BGP MPLS L3VPN to distinguish the same IP address prefix in different VPNs in the BGP protocol?
The activation operation is successful in the PTN network element upgrade operation. Which of the following states is the network element in?
Which of the following is the frame indicated by the VC-4 J1 byte by the AU pointer of the current frame?
The multi-level connection monitoring mode (TCM) of OTN has three application forms. Which of the following is correct?
Which items belong to the optical layer path in the path hierarchy of the WDM network?
When creating an electrical layer path, what options (Client, ODUK, ODUflex) may cause the route calculation to fail
The international professional organization responsible for allocating P addresses has divided several network segments as private network segments, which can be freely allocated and used by people on the private network. What are the
following network segments belonging to private addresses?
When congestion occurs, what are the packet discarding methods supported by OptiX PTN 1900&3900?
If the E1 interface board D75S is not plugged into the OSN 3500 hardware, which indicator light on the PQ1 will light up red?
Which of the following statements is incorrect about the optical layer interfaces OTM-nm and OTM-nrm of OTN?
To determine whether the optical fiber lines and connectors on the wavelength division side are normal, which of the following loopback methods is most suitable?
Which of the following statements about the slave subrack SCC function is correct?
Which of the following descriptions about the reasons for the continuous adjustment of network element pointers is correct?
In the WDM transmission system, the main factors that affect the unevenness of the power balance of each channel do not include the following?
The M40 board has 2 waves of access, and the power of each wave is -4dBm. So which of the following values is the power of the M40 output port? (M40 insertion loss is 6.5dBm)
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 conditions can cause the board to insert the BDI maintenance signal back to the upstream site?
The pump laser is the energy source of the EDFA, and its function is to provide energy for the amplification of the optical signal. Which of the following wavelengths can be used as the output wavelength of the
pump source in the EDFA structure?
The ARP protocol is a broadcast-based protocol through which the host can dynamically discover the MAC address corresponding to an address.
Which one of the following is not necessary to establish a GE-level service path on the network management?
When the data is forwarded by the PTN device, when the value of the TYPE field of the Ethernet header is 8847, what protocol is the inner packet of the encapsulation?
TESTED 05 May 2024