EMT Practice Test

1. Question Content...

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Question1: Is the following description correct? The ADSL G.992.1 or G.dmt standard is a technical specification that does not require a signal splitter.

Question2: Is the following description correct? The process of voice fault location can generally be divided into: troubleshooting the external device fault, locating the fault to the specific device, and locating the fault to the board.

Question3: In the UA5000 chassis of the high-density PVM main control, which command needs to be used when configuring the chassis connection?

Question4: In the ODN network, which of the following protection methods can only protect the backbone fiber? (Multiple choice)

Question5: OneVLANWhat kind of domain can it be regarded as?

Question6: Which bit in the Flags field of an IP packet indicates whether the packet can be fragmented?

Question7: In the 10G GPON system, the XGEM frame is used to encapsulate data. How many bits of PORT ID are defined in the XGEM header?

Question8: Which of the following commands is used to close the main server of Sybase System?

Question9: In Huawei DSLAM products, which of the following attributes VLAN has two layers of VLAN TAG information?

Question10: All H.248 commands require the receiver to send back a response .
Which of the following messages can be used to respond?

Question11: Which of the following encoding formats belong to the H248 protocol that can be used?

Question12: In the process of PPPoE dialing, which message indicates that the session ID is obtained?

Question13: What are the characteristics of ATM cells?

Question14: Regarding the difference between GPON and EPON, which of the following statements is correct?

Question15: Is the following description correct? MAC The address is generally from each manufacturer IEEE You can buy it, but you can also specify it yourself.

Question16: Which of the following commands can be used to set the terminal timeout and exit time?

Question17: What is the attenuation of the 1:2 splitter?

Question18: Which of the following descriptions about the MA5680T GPBD board is wrong?

Question19: Which of the following is not part of the PON network system?

Question20: What are the incorrect statements about Type B protection for GPON networks?

Question21: Is the following description correct? ICMPIs a link layer protocol, ICMP The message is triggered by the physical layer, and then by IP Layer or higher layer protocol to respond.

Question22: When configuring the GPON line template, what are the QoS modes? (Multiple choice)

Question23: Is the following description correct? When MA5680T sets PQ+WRR, priority 0-7 corresponds to the following 10 20 30 0 20 20 0.

Question24: Is the following description correct? In the EPON network, the gemport is used to carry the service flow.

Question25: Is the following description correct? The key parameters of ODN network are attenuation, insertion loss, and return loss.

Question26: In the EPON network, which parameter is used to filter the downstream data on the ONU?

Question27: What is the rated working voltage of the MA5600 equipment?

Question28: What are the application scenarios of GPON?

Question29: What may be included in the patch file of the current access network MA5600T?

Question30: Is the following description correct? When the MA5600T MG interface communicates with the MGC through the H.248 protocol, the H.248 protocol version configuration that the MG interface starts to negotiate may be inconsistent with the MGC side.

Question31: ODN link total loss includes which of the following aspects?

Question32: The Ethernet switch works in OSI
Which layer of the reference model?

Question33: What message does the H.248 media gateway send to the MGC for registration?

Question34: Which of the following statements about the configuration of static routes is correct ?

Question35: Which of the following does not belong to the VLAN type supported by MA5600T/MA5680T?

Question36: Which of the following methods can be used for the reset test of the MA5600T/MA5680T single board?

Question37: What is the index range of MA5600 extended access control list?

Question38: Regarding super vlan, which of the following statements are correct?

Question39: In the process of EPON PPPoE service configuration, the templates that must be configured to add MDU are? (Multiple choice)

Question40: How many channels of ADSL2+&POTS access services are provided by the MA5600T ADSL2+&POTS integrated service board H80BCAME?

Question41: Is the following description correct? The speed standards of Fast Ethernet are100Base-TX,100Base-T4with100Base-FX.

Question42: Which method does BTV service use to send messages in the network?

Question43: The traffic rate limit can be configured in the traffic template, but the packet priority cannot be set.

Question44: Which of the following parameters are required to set up a network management workstation?

Question45: What is the maximum transmission distance of SHDSL?

Question46: Use an optical power meter to measure the optical power on both sides of the optical fiber connector, calculate the attenuation of the optical fiber connector, and find that the attenuation is greater than the theoretical value, what is the possible reason? (Multiple choice)

Question47: After the hardware installation is completed, what checks are required?

Question48: What are the correct descriptions of VLAN in MA5600?

Question49: Is the following description correct? Version rollback generally includes three steps:
1. Load the original version of the package file;
2. Load the original version database backed up before the upgrade;
3. Reset the system.

Question50: Two-stage optical splitter is connected to the PON, the first-stage is 1:2, the second-stage optical splitter is 1:16, what is the total splitting ratio?

Question51: The MA5600 main control board (SCU) restarts repeatedly.
What are the reasons why it is impossible?

Question52: The DBA can complete the dynamic allocation of upstream bandwidth in microsecond or millisecond time intervals.

Question53: How many bytes does the EthernetII header (without VLAN TAG) include?

Question54: What are the maximum splitting ratios supported by MA5680T H801GPBC and H802GPBD?

Question55: What are the fiber types connected to the MA5680T GPBD port?

Question56: If the ONT is added on the GPON port by confirmation, what functions need to be enabled on the OLT?

Question57: With regard to the three VLANs with different attributes (common, QinQ, and Stacking), the MA5600T uses the default tag transformation rules (that is, tag-transform is set to default) when configuring the service flow .
Which one of the following descriptions is incorrect?

Question58: Which of the following statements about the PPP protocol is correct? (Multiple choice)

Question59: What kind of remote acceptance function does not support MA5600T/MA5680T?

Question60: Is the following description correct? The VPI/VCI of the ATM cell has only local importance, and the VPI/VCI value of each node in the transmission process can be changed.

Question61: The router mainly works in OSI
Which layer in the model?

Question62: Is the following description correct? The devices in the ODN network need power supply to work.

Question63: When the MA5600T configures the multicast service, which of the following options must be configured, otherwise the multicast program may not be able to be viewed?

Question64: The international professional organization responsible for allocating IP addresses has divided several network segments as private network segments, which can be freely distributed and used by people on private networks .
Which of the following is not a network segment of private addresses?

Question65: QA engineers start the SmartKit NSE2700 Quality Inspector tool, which of the following methods can be supported to connect devices?

Question66: Is the following description correct? MA5612 supports RF (Radio Frequency) over PON service access.

Question67: Is the following description correct? The link layer defines electrical and mechanical processes and functions to activate, maintain, and remove lines when the systems at both ends are connected.

Question68: What technology does the GPON system use to provide the original CATV service?

Question69: Is the following description correct? The simplified method of MA5600T/MA5680T GPON Internet service is optimized for the excessive number of templates and complicated configuration in the template mode, reducing user configuration workload and subsequent maintenance costs. The simplified mode currently only supports GPON FTTH scenarios.
For newly-built GPON FTTH scenarios and scenarios that do not require high QoS, the simplified mode can be used for service configuration.

Question70: CORRECT TEXT
Is the following description correct? When the ONT is offline, the MA5600T/MA5680T can perform ONT PPPoE simulation test operations.

Question71: When configuring data on the OLT side, which of the following attributes means that the VLAN needs to be tagged with two layers? (Multiple choice)

Question72: What is the difference between alarm shielding and alarm suppression?

Question73: Which of the following are the most common services that belong to triple play access?

Question74: What is the number of ADSL2+ subbands?

Question75: During the configuration of the EPON PPPoE service, what templates need to be configured to increase the MDU?

Question76: Which of the following options is wrong in the description? (Multiple choice)

Question77: In the EMU command line mode, different environmental monitoring units use different command keywords for configuration .
Which keyword is used by 4845/4875?

Question78: In the GPON network, which of the following statements is incorrect?

Question79: Which of the following are common Ethernet switch VLAN link types? (Multiple choice)

Question80: Generally speaking, which of the following does not belong to the splitting ratio of the optical splitter in the PON? (Multiple choice)

Question81: MA5680T configures GPON ONT templates through templates .
What templates need to be configured?

Question82: What is the correct correspondence between IP address and MAC address in a broadcast domain?

Question83: What is not included in the uplink mode of MA5616?

Question84: The 48-bit value of the MAC address of the computer network card is uniformly assigned by the IETF to each manufacturer, and is unique in the world.

Question85: Which of the following are the methods and ideas for locating abnormal XDSL dial-up faults?

Question86: Is the following description correct? The VDSL2 standard specifies a frequency band division of up to 30MHz, which can realize 100Mbit/s high-speed data transmission in a symmetrical uplink and downlink within a short distance.

Question87: What remote acceptance functions can MA5600T/MA5680T provide?

Question88: Which of the following belongs to the management protocol between the OLT and MXU in the GPON network?

Question89: In the Solaris vi editor, how to abandon the edited file and exit vi?

Question90: In the UA5000 chassis with PVM as the main control board, which statement about the user board is correct?

Question91: Is the following description correct? MxU automatic upgrade strategy, that is, when the device is powered on, the current version of the device is automatically compared with the target version of the strategy. If it is inconsistent, the device software version is automatically upgraded to the target version.

Question92: In the EPON network, what is the upstream and downstream bandwidth of the PON port?

Question93: In the 802.1Q tag header, how many digits is the VLAN ID field, and how many VLANs can be specified in total?

Question94: What kind of ICMP messages are used by the PING command?

Question95: In the Solaris 10 operating system, when only ordinary users can ftp to the network management server, which file should be modified so that the root user can also remotely ftp to the server?

Question96: Is the following description correct? The relationship between the transmission rate of ADSL and the transmission distance is: the longer the transmission distance, the greater the attenuation, the lower the transmission rate, and the relationship between the transmission distance and the attenuation is not linear.

Question97: For DBAs configuring AP services, which Type do we generally choose?

Question98: Compared with the template mode, when the MA5600T configures FTTH services in a simplified manner, which of the following steps does not require configuration?

Question99: Regarding the ADSL rate limit in the UA5000, which of the following statements is incorrect?

Question100: In the GPON system, what bandwidth types does type1 in the Tcont type include?

Question101: UA5000 uses the supervlan command to add multiple Sub VLANs to a Super VLAN .
Which VLAN type of Sub VLAN can be?

Question102: Which of the following are common methods for locating Ethernet connection faults?

Question103: In order to improve the bandwidth utilization rate, the upstream direction of the GPON system allows multiple ONU to send data at one time.

Question104: When the MA5600 SCU main control board starts to load, what is the status of the RUN light?

Question105: By default, how many multicast programs can each multicast user under MA5680T watch at the same time?

Question106: During optical transmission, retroreflection light will be generated at the connection of optical fibers. In order to reduce the influence of the emitted light on the light source and the system, the absolute value of return loss (reflection loss) is as large as possible.

Question107: When configuring traffic table for MA5680T, if only CIR is configured and PIR parameters are not specified, what is the PIR value by default?

Question108: The OLT needs to classify the service flow before performing flow scheduling .
Which of the following options are usually used as the means for MA5680T to perform traffic classification?

Question109: Is the following description correct? The MA5600T event level can be divided into four levels: critical, major, minor, and warning.

Question110: When adding ont-lineprofile on the OLT, which need to configure? (Multiple choice)

Question111: In the GPON network, the long-lasting ONT will cause which of the following results?

Question112: When the UA5000 is configured with the H.248 protocol to connect to the soft switch, which of the following parameters must be consistent at both ends?

Question113: What is the maximum splitting ratio supported by the MA5680T GPBC board?

Question114: When the address of the DHCP client reaches a certain lease period, the address lease operation will be performed. During each lease renewal process, the number of times of sending the renewal message will decrease with the increase of the number of address lease renewals.

Question115: In the UA5000 system, which command can be used to view the progress during data backup and loading?

Question116: MA5600T/MA5680T all-in-one package loading method. By tying multiple files into one package file and loading them on the OLT equipment, the upgrade complexity of the OLT equipment can be greatly reduced .
Which of the following options cannot be passed through the all-in-one package tool Unified loading?

Question117: The broadband user account has been authenticated, but all webpages cannot be opened. What is the possible reason? (Multiple choice)

Question118: Which command does the MA5600T use to confirm the auto-discovered board?

Question119: Is the following description correct? The DC upgrade tool requires the support of a license. Without a license, 30 units can be concurrently concurrent by default, and a maximum of 60 units can be concurrent with a license.

Question120: Is the following description correct? The goal of ATM, that is, the biggest feature of ATM, is to achieve the best network resource utilization for any form of business distribution. To achieve this goal, statistical multiplexing of network resources is necessary.

Question121: After installing the sybase patch, which of the following commands can display the version information of the installed sybase patch?

Question122: What is the allocation method of terminal identifiers stipulated in the H248 protocol?

Question123: Is the following description correct? ONT loading on MA5600T/MA5680T GPBC/GPBD is parallel on-board, and supports parallel loading of 256 ONTs at the same time.