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السؤال #1
Is the following description correct? When negotiating a project acceptance test project with the customer, it is recommended that the product-related product acceptance manual is submitted directly to the customer, allowing the customer to select the test project.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #2
Under the H.248 protocol, if the signaling IP and media IP are both 10.1.1.100/8 and the voice gateway is 10.1.1.1, when configuring the voIP service, which of the following command is wrong?
A. In voip mode, use the command ip address media 10
B. Run the reset cold start command on the voice interface to make the interface attribute configuration take effect
C. Use the if-h248 attributei command to configure interface attributes on the voice interface
D. In voip mode, use the command ip address signaling 10
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اجابة صحيحة: D
السؤال #3
In the 10GGPON system, XGEN frames are used to encapsulate data, and the PORT ID is defined as () bits in the XGEN header.
A. 18
B. 12
C. 14
D. 16correct
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اجابة صحيحة: D
السؤال #4
The automatic discovery methods provided by eSight include network segment method, ARP method and routing method. At the same time, it supports creating the network segment or IP address of the device that does not need to be connected as an exclusion list, and automatically skips the network segment or IP address configured in the exclusion list during the process of automatic device discovery.
A. TRUEcorrect
B. FALSE
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اجابة صحيحة: A
السؤال #5
Which of the following parameters is not stored in the SIM card?
A. IMSI
B. IMEIcorrect
C. MSISDN
D. LAI
عرض الإجابة
اجابة صحيحة: B
السؤال #6
When link budgeting, the customer requires the edge coverage probability to be 50%. Which is the correct description? (Multiple choices)
A. 50% of the users in the marginal area cannot make callscorrect
B. 50% of the fringe area cannot make calls
C. 50% of the calls in the fringe area are unsuccessfulcorrect
D. System shadow fading margin is 0correct
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اجابة صحيحة: ACD
السؤال #7
TypeB protection provides redundant protection for both the OLT PON port and the backbone fiber. When the OLT or OLT PON port or the backbone fiber fails, manually switch to the other optical fiber.
A. Ture
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #8
Will the network be notified when the cell phone user changes the cell in the idle state?
A. Yes
B. No
C. Yes, if the location area is changed at the same timecorrect
D. Yes, if you change your BSC at the same time
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اجابة صحيحة: C
السؤال #9
(Single-choice) HSI service uses VLAM tags to bind users precisely, if there are 5K FTTH hanging under the LT Users, which VLAN switching scheme is recommended?
A. User VLAN->C’VLAN->S+CVLAN
B. S+C>S+C
C. c>S
E. C>S+C
عرض الإجابة
اجابة صحيحة: A
السؤال #10
Which of the following timers is associated with the RadioLinkTimeOut timer setting?
A. T3103
B. T3105
C. T3107
D. T3109correct
عرض الإجابة
اجابة صحيحة: D
السؤال #11
On the U2000 network management, the oLT PON port LED is not green, indicating that the PON port is faulty.
A. wrong
B. Right
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اجابة صحيحة: A
السؤال #12
Enable IGMP-snooping on the layer 2. When the switch port receives an IGMP join message, it monitors the message and adds the corresponding port to the multicast group.
A. Turecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #13
In the template mode of the MA5680T, where should the integration of tcont and gemport be configured?
A. ont-srvpmfile
B. ont-linepmfilecorrect
C. ont-profile
D. dba-profile
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اجابة صحيحة: B
السؤال #14
During the SIP voice service provisioning process, what is the port corresponding to the default VLAN on the user side of the ONT?
A. IPHOST
B. ETH
C. FE
D. POSTcorrect
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اجابة صحيحة: D
السؤال #15
In order to improve link reliability, the LT device configures the Time delay protection group through two uplink ports 0/19/0 and 0/20/0. Which of the following commands is optional?
A. huawei （ config ） #interface giu 0/ 19huawei （ config-if-giu-0/19 ） h offline-tx-off-time0500correct
B. huawei （ protect-group-0 ） h protect-group member port 0/19/0role work
C. huawei （ protect-group-0 ） a protect-group enable
D. huawei （ config ） =protect-group 0 protect-target sth-nni port work mode time delay
عرض الإجابة
اجابة صحيحة: A
السؤال #16
Which of the following formulas is correct?
A. dBi=dBd+2
B. dBi=dBd+2
C. dBd =dBi+2
D. dBd=dBi+2
عرض الإجابة
اجابة صحيحة: A
السؤال #17
When it is detected that the CPU of the OLT main control board continues to rise, which are the possible reasons? (Multiple choices)
A. Illegal user logincorrect
B. Network Loopscorrect
C. Cyber attackscorrect
D. Rogue ONUcorrect
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #18
Which of the following options can improve the service experience of multicast users when switching channels (shorter switching time)?
A. When adding a multicast program, prohibit the prejoin function
B. Enable fast leave function when adding multicast users
C. When adding a multicast user, enable the preview functioncorrect
D. Use a low-value multicast address
عرض الإجابة
اجابة صحيحة: C
السؤال #19
When the backbone fiber is broken or the OLT cannot detect the expected optical signal (LOS) alarm, the possible cause is: (Multiple Choice)
A. There is a rogue ON U under the portcorrect
B. Port backbone fiber failurecorrect
C. All power off or failures under the portcorrect
D. The port laser is turned offcorrect
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #20
The correct multicast MAC address corresponding to the multicast IP address 227.120.1.32 is:
A. 01-00-5e-78-01-32
B. 01-00-5e-14-01-20
C. 01-00-5e-78-01-20correct
D. 01-00-5e-14-01-32
عرض الإجابة
اجابة صحيحة: C
السؤال #21
Which of the following is not a QOS service model?
A. Diffserv
B. Intserv
C. FIFO servicecorrect
D. Best Effort
عرض الإجابة
اجابة صحيحة: C
السؤال #22
Which of the following measures can GPON adopt in terms of flow control? (Multiple choice)
A. Gem-carcorrect
B. gem mapping
C. flow-carcorrect
D. tcont-car
عرض الإجابة
اجابة صحيحة: AC
السؤال #23
In the GPON system, in order to ensure the priority forwarding of important services, which queue scheduling method is recommended?
A. DWRR
B. SQ
C. GQ
D. PQcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #24
The total downstream bandwidth of the 10G EPON PONI port is the sum of the EPON downstream bandwidth and the 10G EPON downstream bandwidth.
A. True
B. False
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اجابة صحيحة: A
السؤال #25
Is the following description correct? The alarm level of the MA5600T can be divided into five levels: critical, major, minor, warning, and cleared.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #26
Of the commands defined by the H.248 protocol, which of the following commands can be sent by the MG or the MGC?
A. Notify
B. ADD
C. MODIFY
D. ServiceChangecorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #27
When deploying GP ON Type C single-homing protection, which of the following description is correct?
A. A branch fiber break occurs, and the status of the work port of the OLT becomes standby
B. The two ports protected on the OLT side cannot send and receive data at the same timecorrect
C. When the olt uplink fails, protection switching can be triggered
D. The service configuration of ONU access is the same as the configuration before protection
عرض الإجابة
اجابة صحيحة: B
السؤال #28
Which statements about network color codes are correct? (Multiple choice)
A. NCC and BCC together form a base station identification code (BSIC), which is transmitted on the synchronization channel (SCH) of each cellcorrect
B. It is generally stipulated that GSM PLMNs in neighboring countries choose different NCCs, so only BCCs need to be negotiated for domestic provincial and municipal network planning
C. It must be ensured that adjacent or close cells using the same BCCH carrier frequency have different BSICs
D. BCC value can be from 1 to 7
عرض الإجابة
اجابة صحيحة: AC
السؤال #29
The downlink failure criterion is based on the downlink signaling link failure counter DSC. When the mobile phone resides in a cell, the DSC is initialized to an integer closest to 90/N, which parameter is N?
A. BS -PA-MFRMS (frame number encoding between the same paging)correct
B. Tx-integer (number of extended transmission slots)
C. BS-AG-BLKS-RES (Access Allowed Reserved Blocks)
D. RLINKT (Radio Link Down Counter)
عرض الإجابة
اجابة صحيحة: A
السؤال #30
The number of users under the OLT can also determine whether the VLA is single-layer or dual-layer VL
A. 2K
B. 4K
C. CS
D. 1K
عرض الإجابة
اجابة صحيحة: B

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