السؤال #1

When the ONU is replaced in the eSight system, which of the following options can be used to reselect the ONU?

A. ONU SNcorrect

B. ONU ID

C. ONU MAC

D. ONU IP

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اجابة صحيحة: A

السؤال #2

Which of the following options is correct about congestion management?

A. When using the DWRR method, the weight ratio of each queue can be adjusted, but the total size is a fixed value

B. When using the PQ mode, if the packet carrying priority is higher, the time it is sent from the port will be earlier

C. If the low-priority queue uses PQ and the high-priority queue uses DWRR, the packets in the low-priority queue will be sent first

D. When using DWRR, the larger the packet size, the larger the actual egress bandwidth obtained

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اجابة صحيحة: B

السؤال #3

Is the following description correct? The MSAN is connected to the lanswitch GE or FE, the working mode of the two ports, one can be self-negotiation mode and the other is mandatory mode.

A. True

B. Falsecorrect

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اجابة صحيحة: B

السؤال #4

When locating ADSL/ADSL2+ faults, which of the following may cause users to make calls but not access the Internet?

A. The configuration of the interlace depth of the line configuration template is unreasonable

B. ADSL Modem failurecorrect

C. User outside line interruption

D. None of the above

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اجابة صحيحة: B

السؤال #5

The data multiplexing mode of 10G GPON is similar to GPON, and TDMA technology is still used in the upstream.

A. False

B. True

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اجابة صحيحة: B

السؤال #6

There are three cells A, B, and C. If A does not have a handover relationship with B, but has a handover relationship with C, the coverage of these three cells does not cross the area, and a user moves in the direction of A-B-C, then which of the following statement is correct?

A. In the idle mode of the mobile phone, first reselect to B, then reselect to C

B. In call mode, there will be no call drop

C. No matter in idle mode or call mode, network drop will occurcorrect

D. If the mobile phone is turned off in cell A and turned on in cell C, the cell phone will first search for the LA where cell C is located

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اجابة صحيحة: C

السؤال #7

Is the following description correct? ADSL PPPoE/PPPoA users of the MA5600 implement authentication and access the Internet on the upper BRAS. After the opening, there is often a service interruption, but once the interruption is over, it is possible to redial the Internet again. This problem may be caused by incorrect configuration of the interleaving delay of the port parameters.

A. Truecorrect

B. False

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اجابة صحيحة: A

السؤال #8

Is the following description correct? Traffic suppression on the uplink port of MA5680T suppresses multicast only for unknown multicast traffic.

A. Truecorrect

B. False

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اجابة صحيحة: A

السؤال #9

(Radio) The downstream effective bandwidth of the GPON PON port is

A. 2G

B. 1

C. 2

D. 2

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اجابة صحيحة: C

السؤال #10

The complete SIP message interaction process will include multiple request and response messages. A field can be used in the header field of the SIP message to describe the specific request corresponding to the current response message. This field is:

A. Cseacorrect

B. CaLL-ID

C. First line

D. Message body

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اجابة صحيحة: A

السؤال #11

Is the following description correct? The essence of the GPON system carrying TDM signals is to encapsulate the TDM into GEM frames on the ONU, decapsulate the GEM frames into TDM signals on the OLT, and then transmit them to devices capable of TDM signals on the uplink.

A. Truecorrect

B. False

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اجابة صحيحة: A

السؤال #12

During the evolution of EPON to 10G EPON, WDM wavelength division modules are added at the central office to achieve a smooth transition, and ODN coexists.

A. Ture

B. Falsecorrect

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اجابة صحيحة: B

السؤال #13

What are the prerequisites for the mobile phone to be able to select a cell normally and successfully reside in the cell? (Multiple choice)

A. The cell is not prohibited from accessing

B. The value of cell selection parameter C1 is greater than 0

C. Does not belong to the location area in the "Domestic Roaming Prohibited Location Area" listcorrect

D. The mobile phone is not in arrears

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اجابة صحيحة: ABC

السؤال #14

What is the downlink wavelength in the 10GGPON system?

A. 1310nm

B. 1577nmcorrect

C. 1270mm

D. 1490nm

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اجابة صحيحة: B

السؤال #15

The (radio) prerequisites for esight to automatically discover OLT and MXU devices by IP address are not included

A. Esight and the device need to be on the same network segment, otherwise the device cannot be discovered using the ARP broadcast protocol

B. You already have the operation permission of "Resource Access"

C. Esight and the device can be routed to communicate (ping each other)

D. The SMMP parameters on the esight side have been configured and are aligned with the device side SP parameters

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اجابة صحيحة: A

السؤال #16

The noise introduced by the repeater system is related to the noise figure of the equipment, and has nothing to do with the gain.

A. True

B. Falsecorrect

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اجابة صحيحة: B

السؤال #17

A GPON Type C dual-homing protection is deployed for a power access service, and the status of the protection group and the uplink Ethernet port is set on the OLT. When the status of the Ethernet port associated with the protection group on the OLT becomes down, which of the following description is incorrect?

A. The status of the work port on the ONU side becomes standby

B. OLT general ONU uplink status changes

C. After the switch, the service on the ONU is sent to the OLT through the protect port, that is, the service message is transmitted on the protect link

D. ONU detects link failure and triggers protection switchingcorrect

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اجابة صحيحة: D

السؤال #18

In the frequency planning of a certain place, in addition to the main BCCH frequency point, a 6M frequency band is allocated for TCH, and 1x3 frequency hopping is adopted. In order to ensure that the same adjacent frequency collision does not occur in the same base station, what is the maximum station configuration?

A. S444

B. S555

C. S666correct

D. S777

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اجابة صحيحة: C

السؤال #19

Which of the following belong to the GPRS/EDGE wireless transmission model? (Multiple choice)

A. Proportion of different businessescorrect

B. Distribution of coding methodscorrect

C. Packet Interval Distribution

D. Signaling overheadcorrect

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اجابة صحيحة: ABD

السؤال #20

The number of users under the OLT can also decide whether the VLAN is a single-layer or double-layer VLAN. When the number of users is small, a single-layer VLAN can be used. When the required VLAN to distinguish the number of services and users is greater than ( ), a double-layer LAN must be used.

A. 4Kcorrect

B. 8K

C. 2K

D. 1K

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اجابة صحيحة: A

السؤال #21

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. Use the command ip address media 10

B. Use the reset cold start command under the voice interface to make the interface attribute configuration effective

C. Use the if-h248 attributei command to configure interface attributes under the voice interface

D. Use the command ip address signaling 10

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اجابة صحيحة: D

السؤال #22

Is the following description correct? MA5600T/MA5680T supports Ethernet, E1, and POTS services on the PON side and does not support ATM services.

A. Truecorrect

B. False

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اجابة صحيحة: A

السؤال #23

In Huawei's u2000 management system, when adding network elements, you can only add -- ones- when you access the network element.

A. wrong

B. Right

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اجابة صحيحة: A

السؤال #24

The ascending wavelength of the (radio) 10G EPONE is

A. 1577nm

B. 1270m (symmetrical)

C. 1310m (asymmetrical)

D. 1490nm

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اجابة صحيحة: BC

السؤال #25

When deploying GPON Type C single-homing protection, which of the following descriptions is correct?

A. A branch fiber breaks, and the status of the OLT's work port changes to standbyY

B. The two ports protected by 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 exactly the same as the configuration before protection

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اجابة صحيحة: B

السؤال #26

When the PIT P switch is enabled globally or in the VLAN service template of the OLT, the service virtual port is allowed to carry upstream packets, the Vendor tag is switched, and the user upstream packets carry Vendor tarf information, which of the following about the OLT processing strategy of PITP message is correct?

A. The OLT adds a local Vendor tap to the upstream PITP message

B. The OLT directly forwards the user-side PITP message without any processing

C. The OLT leaves the Vendor tag carried in the uplink PITP message, plus the local Vendor tagcorrect

D. OLT discards uplink PITP packets

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اجابة صحيحة: C

السؤال #27

When configuring the multicast service on the MA5600T/MA5680T, the multicast vlan program adopts the static configuration method. Which of the following options must be configured, otherwise the multicast program may not be watched?

A. igmp profile

B. igmp programcorrect

C. igmp priority

D. igmp preview

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اجابة صحيحة: B

السؤال #28

Both XGS-PON and GPON have asymmetric upstream and downstream rates.

A. TRUEcorrect

B. FALSE

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اجابة صحيحة: A

السؤال #29

In the following various types of network topology, which is the most secure topology structure?

A. Star structure

B. Chain structure

C. Ring structure

D. Full mesh structure

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اجابة صحيحة: D

السؤال #30

BCCH is a broadcast control channel. Each cell must be configured with one BCCH. Which time slots of the first carrier frequency can be configured?

A. TS0correct

B. TS2

C. TS4

D. TS6

عرض الإجابة

اجابة صحيحة: A

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