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NEW QUESTION 113
A and C are WDM OTM sites, and B is a regeneration site. If the ODU2_LCK signal is inserted at site A, which of the following statements are correct?
- A. Site A reports a ODU2_PM_LCK minor alarm.
- B. Site C reports a ODU2_PM_LCK minor alarm.
- C. Site C reports a ODU2_PM_BDI minor alarm.
- D. Site A reports a ODU2_PM_BDI minor alarm.
Answer: D
NEW QUESTION 114
Which of the following statement is correct?
- A. The optical layer path and the electrical layer path are independent. It is not necessary to delete the electrical layer path when deleting the optical layer path.
- B. When the OCh path exists, you can directly create a client path. The NMS automatically creates an ODUk path.
- C. The optical layer path must be deleted first when the electrical layer path is removed.
- D. Deactivation will delete the configuration of the U2000, which has no impact on the device side services.
Answer: A
NEW QUESTION 115
ODUk SNCP protection cannot be automatically switched. The possible reasons are: (Multiple Choice)
- A. SNCP type setting error
- B. Set the lock or forced switch command
- C. Electrical cross configuration error
- D. Waiting for the recovery time to be set too long
Answer: A,B,C,D
NEW QUESTION 116
What should be paid attention to when configuring extended ECC? (Multiple Choice)
- A. It is not recommended to set the gateway NE as the server. It is recommended to set the NE closest to the gateway NE as the server NE.
- B. When setting the ECC extended mode remotely, you must ensure that the settings are correct in order. Otherwise, the unmanaged network element will not automatically resume communication with the network management system and must be reset to the site.
- C. Avoid communication by extended ECC mode between each subnet gateway network element.
- D. The ECC extension mode of the remote NE must be modified first, and then the ECC extension mode of the gateway NE is modified.
Answer: A,B,C,D
NEW QUESTION 117
Which layer of the TCP/IP protocol is the TCP/UDP protocol located?
- A. Application layer
- B. Transport layer
- C. Data link layer
- D. Network layer
Answer: B
NEW QUESTION 118
Which of the following methods does the networking and application of NG WDM include? (Multiple choice)
- A. Mesh
- B. Point to point
- C. Chain type
- D. Ring
Answer: A,C,D
NEW QUESTION 119
Which of the following statements about the Service Package is incorrect?
- A. The Service Package can configure the working mode, service type, cross-connection, and port type in batches.
- B. Service package enables one-click configuration of typical services by issuing multiple configuration commands in batches, facilitating product deployment commissioning and reducing maintenance costs.
- C. You can configure service packages in two modes. One is to configure boards in batches, and the other is to configure each board.
- D. Currently, Service Package is available to the TOA, TOX and TSC boards.
Answer: A
NEW QUESTION 120
Which of the following description of the PWE3 technology are correct? (Multiple choice)
- A. For PE3 emulation of Ethernet services, PW control words can be manually configured on the PE.
- B. PRE3 technology provides ATM, Ethernet, and TDM services with end-to-end virtual link emulation at the PS network boundary.
- C. PWE3 technology belongs to the second layer VLL solution
- D. The internal data services carried by PWE3 are visible to the core network.
Answer: A,B,C
NEW QUESTION 121
Which of the following application scenarios that belong to the change configuration method? (Multiple choice)
- A. If you suspect that there are problems with certain channels or one of the tributary boards of the tributary board, you can change the time barrier configuration to configure the service to another channel or to another tributary board.
- B. In the upgrade and expansion, if you suspect that the new configuration is faulty, you can re-issue the original configuration to locate the configuration problem.
- C. If you suspect that there is a problem with a slot, you can exclude it by changing the board configuration.
- D. If you suspect that there is a problem with one VC-4, you can adjust the time barrier to another VC-4.
Answer: A,B,C,D
NEW QUESTION 122
When creating single station optical crossover, an error message "The direction of the cable is wrong selected" appears. The possible reason is?
- A. "Create reverse crossover" is not selected during configuration
- B. Lack of logic fiber between boards
- C. The network element management time is not synchronized.
- D. Device physical fiber connection error
Answer: A
NEW QUESTION 123
Path method creates OCh failure, what are the possible reasons? (Multiple Choice)
- A. Inconsistent wavelength setting at both ends of source and sink
- B. Some pigtails are not connected
- C. There are still unremoved alarms in the boards involved in OCh.
- D. No service layer path
Answer: A,B,D
NEW QUESTION 124
The packet protection features supported by the OSN 1800V include _______. (Multiple choice)
- A. Tunnel APS
- B. PW APS
- C. TPS
- D. LAG
Answer: A,B,C,D
NEW QUESTION 125
The E&M signal defines the type of connection between a relay device and a signaling unit. Which of the following belongs to the relay device?
- A. Telecommunications Exchange
- B. E&M voice exchange
- C. Softswitch platform
- D. PBX
Answer: D
NEW QUESTION 126
A, C are the WDM OTM stations, and B is the relay station. When the transmission direction of the A to B stations is interrupted, the Wavelength side of the B-stack OTU relay board reports the R_LOS emergency alarm and runs the processing to the upstream A.
The station side OTU2_BDI secondary alarm. At the same time, the alarm continues to be transmitted to the downstream station of the B station. After the alarm is processed at the C site, the ODU2_PM_AIS minor alarm is reported on the WDM side of the C-site OTU, and the ODU2_PM_BDI secondary alarm is transmitted back to the upstream station A.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 127
The transmission plane mainly performs functions such as optical signal transmission, multiplexing, configuration protection switching, and reconnection, and ensures the reliability of the transmitted optical signal. However, the exchange action of this layer is carried out under the influence of the management dry surface and the control plane.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 128
Which of the following description of the single station commissioning is wrong?
- A. If the input voltage of the equipment is not within the required range, suggestions for rectification should be proposed.
- B. In case of power failure, the contact board can be used without anti-static wrist or anti-static gloves.
- C. Single station hardware check is complete, make sure all power switches are in the off position
- D. It is strictly forbidden to plug and unplug the power plug and PIU board.
Answer: B
NEW QUESTION 129
Which of the following is not a part of the ASON Control Protocol?
- A. LMP
- B. RSVP-TE
- C. OSPF-TE
- D. IS-IS
Answer: D
NEW QUESTION 130
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