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NEW QUESTION 174
In the current network, which of the following is the most common way of dividing VUNs?
- A. Port based division
- B. IP Subnetting
- C. Based on Protocol Division
- D. MAC-based division
Answer: A
NEW QUESTION 175
In order to support the self-opening of the base station, the DHCP Relay function is deployed in the PTN LTE bearer network. Which of the following descriptions is wrong?
- A. Configure routing on the PTN to the DHCP router
- B. DHCP server address can be configured with multiple
- C. The default relay hop count of DHCP Relay is 255
- D. DHCP Relay is deployed on L2/L3 nodes
Answer: C
NEW QUESTION 176
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.
- A. True
- B. False
Answer: A
NEW QUESTION 177
Which of the following descriptions about the possible reasons for PTN upgrade loading or activation failure are correct?
- A. After the loading is completed, the active/standby switchover is performed
- B. Insufficient space on the CF card
- C. AISCA loads the A2SCA software package
- D. Board initialization failed
Answer: A,C,D
NEW QUESTION 178
Optix Datacollector supports black box fault data collection for various products. Which of the following products are not supported?
- A. NG SDH
- B. PTN
- C. COS
- D. WDM
Answer: B
NEW QUESTION 179
Which of the following descriptions is correct?
- A. SAToP supports time division suppression
- B. One STM-1 channel contains 64 VC12 time slots
- C. OptiX PTN supports encapsulating E1 frames of different connections into one PW
- D. SAToP encapsulation type processes the CES service by encapsulating the 32 time slots in the E1 frame as a whole and then transparently transmitting it to the opposite end
Answer: D
NEW QUESTION 180
Which of the following alarms will be reported when a fiber cut test is performed on a common MSP ring?
- A. TUAIS
- B. BD Status
- C. R-LOS
- D. APSJNDI
Answer: C,D
NEW QUESTION 181
Which of the following statements about the FEU board is false?
- A. The FIU can complete the access and release of the OSC channel
- B. The FIU board does not process monitoring information
- C. Using OSC, both OLA station and OADM station need two FIUs
- D. Using ESC, OTM station needs a FIU
Answer: D
NEW QUESTION 182
When enabling NE performance monitoring events on the U2000 network management system, which of the following options are correct?
- A. 15 minutes monitoring end time (must be later than 15 minutes monitoring start time), must be set
- B. 15-minute monitoring end time (must be later than 15-minute monitoring start time), can not be set
- C. Set the monitoring start time of 15 minutes on the U2000 (it can be earlier than the current time of the NMS and NEs)
- D. Set the monitoring start time of 15 minutes on the U2000 (must be later than the current time of the NMS and NEs)
Answer: B,D
NEW QUESTION 183
In the OSN6800 subrack, when the OTU is inserted in the 17th slot, electrical layer scheduling can be realized
- A. False
- B. True
Answer: A
NEW QUESTION 184
L--16.1 indicates the type of optical interface. Which of the following descriptions is correct?
- A. Short distance communication, the signal level is STM-16 and the working window is 1550nm
- B. Long distance communication, the signal level is STM-1 and the working window is 1310nm
- C. Short-distance week-to-week communication, the signal level is STM-16 and the working window is
1310nm - D. Short distance communication, the signal level is STM-1 and the working window is 1310nm
Answer: C
NEW QUESTION 185
In CES SATOP encapsulation, PWE3 will transparently transmit 32 time slots of an E1 frame as a whole from one end to the other
- A. True
- B. False
Answer: A
NEW QUESTION 186
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.
- A. True
- B. False
Answer: A
NEW QUESTION 187
Which of the following does not belong to L3VPN?
- A. GRE
- B. VPWS
- C. BGP/MPLS VPN
- D. IPSec
Answer: B
NEW QUESTION 188
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?
- A. The primary L3 configures the backup traceroute BFD to the EPC
- B. The standby L3 configures the standby traceroute BFD to the EPC
- C. Create a loopback interface address on the active L3
- D. Create the BFD between the main L3 Loopback interface device L3 and the EPC port
Answer: A,C,D
NEW QUESTION 189
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?
- A. Pigtail
- B. Optical Power Meter
- C. 2M Bit Error Tester
- D. Light decay
- E. Multimeter
- F. SDH Analyzer
Answer: B,C,E,F
NEW QUESTION 190
When using OptiX Datacollector to collect data, it can be collected by network element, which means to collect the fault data of all boards below the network element, or it can be collected by single board to collect the fault data of a single board under the network element.
- A. True
- B. False
Answer: A
NEW QUESTION 191
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?
- A. ETH_LOS
- B. LASER_MOD_ERR
- C. ETHJJNK_DOWN
- D. LASER SHUT
Answer: C
NEW QUESTION 192
Under normal circumstances, which of the following indicators is green, indicating that the board hardware is running normally?
- A. ACT
- B. STAT
- C. SRV
- D. PROG
Answer: B
NEW QUESTION 193
When configuring electrical layer crossing, what are the rules for time slot configuration?
- A. For the same service, the time slots occupied by the receiving turbulence and the transmitting turbulence in one direction must be the same
- B. For the convenience of management and maintenance, it is recommended to set the time slot cutting mode to automatic mode
- C. For each board, the same time slot in the same direction cannot be used by multiple services at the same time
- D. After changing the service type, there is no need to reset the service time slot
Answer: A,B,C
NEW QUESTION 194
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?
- A. 172.16.0.0/12
- B. 192.168.0.0/16
- C. 224.0.0.0/8
- D. 10.0.0.0/8
Answer: A,B,D
NEW QUESTION 195
The EDFA erbium-doped fiber amplifier is a key component of the new generation of optical fiber systems.
Which of the following options are correct for the description of its advantages?
- A. Gain Flattening
- B. The working wavelength is consistent with the minimum attenuation window of single-mode fiber
- C. High output power
- D. High gain
- E. Low noise figure
Answer: B,C,D,E
NEW QUESTION 196
In the path hierarchy of the WDM network, which paths belong to the optical layer?
- A. OMS
- B. OTU
- C. OCH
- D. OTS
Answer: A,C,D
NEW QUESTION 197
Which of the following are the basic requirements of the DWDM system for the light source?
- A. Larger dispersion tolerance
- B. Output standard and stable wavelength
- C. Using LEDs
- D. Using the method of direct modulation
Answer: A,B
NEW QUESTION 198
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