HCSA-Field-Transmission & PTN V1.0 Questions and Answers
The U2000 license file is stored in the following directory /u2000/server path. If the license file is invalid, the U2000 will not work normally.
Optix Datacollector supports black box fault data collection for various products. Which of the following products are not supported?
Which one is wrong in the description of hardware redundancy backup of PTN7900-32?
MPLS is located between the data city road layer and the network layer in the TCP/IP protocol stack, and is used to provide services to the IP layer, and at the same time, it gets the business from the mallet road layer.
Using Huawei PTN7900 to carry the L3VPN service, there is no need to plan VPN peers between the two devices
According to the IEEE 802JQ standard, where is the VLAN ID field on the Ethernet?
Both the 1310nm and 1550nm transmission windows are low-loss windows. In the DWDM system, only the 1550nm transmission window is used. Which of the following options is the main reason?
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.
What options are included in the role of the control word in PWE3?
When the PTN equipment configures the CBS parameters of QoS, the value affects which items are described correctly
In NG-SDH, the soft reset of the SDH board does not affect the running business, and the hard reset operation will affect the running business.
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 descriptions of the electrical layer multiplexing and mapping steps of ODU0 is wrong?
Which of the following 7900 single-board software function descriptions are correct?
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?
In the PTN network, what are the parameters for measuring QOS?
When using the LCAS function, which of the following overhead bytes are used to transmit control information?
After a certain distance transmission in the wavelength division system, the optical signal-to-noise ratio of the signal at the receiving end will decrease to a certain extent. The main reason is which of the following?
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 items belong to the debugging work of the playback system?
Which of the following are the basic requirements of the DWDM system for the light source?
Which of the following network element forms supports the functions of branch and line, cross multiplexing between lines and lines, and service adding and dropping functions?
When the local ODUK signal is plugged into LCK, what processing will the downstream station not do?
Which of the following residual dispersion values are within the dispersion tolerance of the TN52ND2 board?
Set up the alarm to report automatically, and report the alarm on the device side immediately after the alarm is generated. The alarm board pops up on the network management system. The user can view the alarm information in the alarm board, and does not need to
actively search for words. Unnecessary alarms can be set to not be automatically reported. At this time, the alarm will no longer be reported to the network, even if the synchronization operation is performed.
If the E1 interface board D75S is not plugged into the OSN3500 hardware, the indicator on PQ1 will light up red
In the path hierarchy of the WDM network, which paths belong to the optical layer?
Which of the following Ethernet port alarms is not a physical layer alarm, that is, LSR_NO_HTED has no correlation with it, and there is no suppression relationship?
Which of the following does not belong to L3VPN?
Now NE1 and NE2 form a chain network, and E1 service is configured between NE1 and NE2. One day, the fiber from NE1 to NE2 is interrupted (each segment of the
reverse fiber). Which of the following alarms will NE2 report?
Which of the following protection types is not supported by the L302 board?
In the PTNLTE non-load sharing scheme, the main L3 configuration is used to configure the route tracking multi-hop BFD scheme to prevent loops. Which of the following configurations needs to be performed?
During the debugging of the SDH system, if the E1 port reports a T-ALOS alarm, which of the following actions are meaningful?
Which of the following descriptions about routing loops is wrong?
Which items belong to the optical layer path in the path hierarchy of the WDM network?
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?
IP As the core protocol of the network layer in the TCP/IP protocol stack, the fixed part of the packet header has 20 bytes and carries a variety of identification fields to define the transmission of the data packet.
Which of the following statements about the identification field is incorrect?
In the case of.1:1 protection, according to the provisions of G.8031, the source and sink devices must select the route during switching, so the APS protocol is required to coordinate the work.
In OptⅸPTN3900, which of the following slots can MQ1 be placed in?
In the NG-WDM system, which one of the following boards supports optical line protection?
When configuring GE services, the types of services in one direction can be different for the transmission and reception of a service.
What are the possible reasons for the unsuccessful OCH creation by the path method?
Which of the following descriptions is correct?
Which of the following statements about EDFA is false?
The device IP addresses of gateway network elements and non-gateway network elements must be set in the same network segment
When TCAT adds points, it recalculates the Tunnel and distributes the configuration. Which of the following information is being modified?
What types of reports are generated by the Inspector inspection tool?
The U2000 network management supports a variety of external interfaces. Which of the following interfaces can be used when connecting with the network management equipment of other manufacturers?