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NEW QUESTION 89
As shown in the figure, in the business configuration of the PP ring belt chain, discrete services are generated due to incomplete or incorrect configuration. In order to solve this discrete service, the service configuration needs to be supplemented. Which of the following steps are correct? (More select)
- A. Create a two-way collusion service on U2000 for a single station of ADM2 site
- B. ADM3 is not configured for optional reception, configure it directly on U2000
- C. ADM3 site is not configured with optional receiving, you need to delete the working receiving and configure it again
- D. Create a one-way collusion service on U2000 for a single station of ADM2 site
Answer: C,D
NEW QUESTION 90
The following are the time slot optimization steps (multiple choice)
- A. Data collection and production optimization plan: Consistency verification of the customer's network management network element data, fiber and cable connection, and path data across the entire network: and process the deactivation business in the network, and confirm the one-way business in the network.
- B. Analyze the resource evaluation report, focus on low-level crossover resources and line time slot utilization, focus on the location of bottlenecks, and confirm the principle of routing time slot optimization with customers.
- C. Generate the time slot optimization plan in AMS5000 according to the optimization principle, and write the implementation plan.
- D. Clean up discrete services before time slot optimization, delete junk services, and confirm with customers to complete or delete and reconstruct defective services.
Answer: A,B,C,D
NEW QUESTION 91
The PTN self-organizing network supports physical layer clock synchronization, IEEE 1588V2 clock and time synchronization, and IEEE 1588 ACR clock synchronization.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 92
Corresponding to the ISO seven-layer model, Ethernet corresponds to the physical and network layers of the seven-layer model. The Ethernet-defined specifications include the MAC sublayer and physical layer of the data link layer.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 93
The maximum number of VBs supported by the EGS4 series of OSN equipment is two, and the maximum number of VBs supported by the EFS4 series single board is 16.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 94
The test frame is a data message used to test the network connection status of the Ethernet service. Regarding the application of the OTN equipment test frame, which of the following statements is correct? () (multiple choice)
- A. When the tributary board is configured to be electrically crossed to the wavelength division side of the optical wavelength conversion board that supports the test frame, the GFP management frame is processed by the optical wavelength conversion board. Therefore, in this case, the tributary board cannot send and receive test frames
- B. For GE/FE/10GE LAN services, the GFP management frame is used to send test frame messages. The test frame has two counters, which are used to count the sent and received test frames.
- C. When the client side accesses 10GE LAN services, "Port Service Mapping Path" needs to be set to "MAC Transparent Mapping (10.7G)" to support the test frame function
- D. For the optical wavelength conversion board with the transceiver integrated, the test frame has nothing to do with whether the board is configured with electrical crossover.
- E. For 40GE/100GE services, test frame messages are sent directly at the MAC layer. There are three counters for test frames, which are used to count sending test frames, answering test frames, and receiving test frames.
Answer: A,B,C,D,E
NEW QUESTION 95
A network is configured with 1+1 protection on the board. On a certain day, the working channel has a condition that triggers protection switching, but the service cannot be automatically switched to the protection channel, resulting in service interruption.
The cause of the failure may be: (multiple choice)
- A. There is an error in the protection channel
- B. The configuration of the relay board between the source and sink is incorrect
- C. The optical fiber connection of the board is wrong
- D. Protection group configuration error
- E. A lock switch or forced switch command is implemented
Answer: B,C,D,E
NEW QUESTION 96
If there is a problem with the CORBA connection, it can be analyzed as follows: If it is not a problem on the U2000 side, you should find it from the upper-layer network management itself or the U2000 and the upper-layer network management together; the name and notification service cannot be started normally, you should check whether the corresponding port is occupied, or Try to use other ports; if U2000 fails to start, check whether the CORBA configuration files bundle.cfq and ems.cfq are correct
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 97
Which of the following items are optional items for the commissioning between microwave stations?
- A. Swap antenna
- B. Clock tracking test
- C. Test business
- D. Test ECC
Answer: B
NEW QUESTION 98
Which of the following functions can the PTN equipment handle the GE optical interface of the single board through the Ethernet? (multiple choice)
- A. Docking with PTN equipment
- B. Docking with STM-N interface
- C. Realize physical layer synchronization
- D. Docking with ODUk interface
- E. Realize IEEE 1588 V2 synchronization
- F. Interfacing with customer equipment
Answer: A,C,E,F
NEW QUESTION 99
Colorless & Directionless site configuration of a 100G coherent system, the line dimension adopts WSM9+RDU9, and the local drop configuration can adopt ()? (Multiple choice)
- A. WSD9+OA+RDU9 drop
- B. WSD9+OA+D40 drop
- C. WSD9+TD20 drop
- D. WSD9 drop directly
Answer: A,C,D
NEW QUESTION 100
Which of the following is correct for the FEC delay relationship ()
- A. Typical value of AFEC delay of 40G coherent signal> Typical value of FEC delay
- B. The sender increases the overhead for encoding, and the receiver performs decoding, which will bring signal delay.
- C. 100GSDFEC delay (20%)>100GHFEC delay (7%)
- D. 100GHFEC delay>40GAFEC delay
Answer: A,B,C
NEW QUESTION 101
The ring network of the OSN6800 equipment group was newly opened, and ODU1-SNCP/N protection was enabled. The engineer reported that a switch occurred one day and has not been restored, but there is no problem with the optical cable. There is an ODU_SNCP_PS alarm on the corresponding ND2 optical port.
Possible reasons are: (multiple choices)
- A. The protection type is configured as SNC/I
- B. "LCK Insert" is set to enable the PM overhead of the related circuit board
- C. The related circuit board has a minor alarm ODU1_PM_LCK
- D. Related circuit board failure
Answer: B,C,D
NEW QUESTION 102
What are the technologies used in the network of the PTN equipment ad hoc network? (multiple choice)
- A. MPLS/OSPF/IS-IS/BGP
- B. LAG/LMSP/ML-PPP/Tunnel APS/PW APS
- C. L2VPN/L3VPN
- D. Physical layer synchronization + IEEE 1588v2 time synchronization/GPS
Answer: A,B,C,D
NEW QUESTION 103
In the Linux system, the directory tree structure and the file system are two different concepts. The file system is the logical way of managing files in the operating system, and the directory tree structure is the physical storage method of files on the disk or partition.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 104
NG-SDH products initially support the board-level hot patch function. V100R008 starts to support both board-level hot patch and patch package functions (the hot patch upgrade method supported by different main control types is different), and it is supported from V100R010 and later versions.
- A. neither support
- B. Patch package function
- C. Support board-level hot patch function
- D. Board-level hot patch and patch package function
Answer: B
NEW QUESTION 105
Which of the following is not a simple flow classification
- A. IP DSCP
- B. MPLS EXP
- C. ACL
- D. VLAN PRI
Answer: C
NEW QUESTION 106
What is correct about traffic policing and traffic shaping?
- A. Traffic policing can be used in the outbound and inbound directions, and traffic shaping can only be used in the outbound direction
- B. Traffic policing can only be used in the inbound direction, and traffic shaping can only be used in the outbound direction
- C. Traffic policing can be used in the outbound and inbound directions, and traffic shaping can only be used in the inbound direction
- D. Traffic policing can only be used in the outbound direction, and traffic shaping can only be used in the inbound direction
Answer: A
NEW QUESTION 107
SDH equipment mainly has two platforms, 4.0 and 5.0. In the main control board replacement, the replacement steps under different platforms are different. Which of the following operations are specific to the 5.0 platform?
- A. Turn on smart features for smart nodes
- B. Software changes the NE ID
- C. Data from the network management
- D. Software changes the network element IP
Answer: A,B
NEW QUESTION 108
Regarding the optical power commissioning of the RAU2 board, which of the following options is correct () (multiple choice)
- A. Before commissioning the RAU2 board, the team function must be disabled first, and then the Raman board laser must be turned off
- B. Before turning on the Raman laser, make sure that the connectors are connected well
- C. Because the RAU2 board has built-in EVOA, the Raman gain needs to be directly set to the maximum gain of the supported fiber type
- D. When using MONO or MOWS to measure online optical power, 20dB compensation is required
Answer: B,C,D
NEW QUESTION 109
PID (Photonics Integrated Device) is an optoelectronic integrated device, PID single board can realize multi-wavelength integration, 40Km without optical amplifier, 80Km without dispersion compensation ()
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 110
Which of the following features does the N3EFS4 board support? (multiple choice)
- A. LCAS
- B. QoS
- C. QINQ
- D. LPT
Answer: A,B,D
NEW QUESTION 111
The following steps add pointers
- A. TUG2 to TUG3 process
- B. TUG3 to VC4 process
- C. VC-3 to TU-3 process
- D. C-12 to VC-12 process
Answer: C
NEW QUESTION 112
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