EMT Practice Test

1. Question Content...

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Question1: When deploying IPTV services on MA5600T, in order to better ensure the quality of IPTV services. Which of the following services will have the highest QOS priority configuration?

Question2: Is the following description correct? When classifying the acceptance test items, the basic package is used to ensure the normal operation of the basic services and functions of the equipment and the network, and only simple or cheap instruments are needed to satisfy the acceptance test items.

Question3: Which of the following UA5000 boards can support ADSL services?

Question4: What is the allocation method of terminal identifiers stipulated in the H248 protocol?

Question5: In a GPON network, which of the following options must be bound to the MA5680T DBA template to take effect?

Question6: What is the maximum number of ADSL2+ users provided by the MA5600 single frame?

Question7: Is the following description correct? TTLMainly to preventIPThe cyclic forwarding of packets in the network wastes network bandwidth.

Question8: MA5600T/MA5680T system defaults to a super user level user, which cannot be added or deleted. What is the default super user name/password of the system?

Question9: At a certain UA5000 site, due to resource constraints, the entire frame of ADSL users need to pass a VLAN upstream to the IP network. At this time, why should the upstream VLAN in the IPM board be defined?

Question10: 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.

Question11: Which of the following statements is correct?

Question12: In the Solaris vi editor, how to abandon the edited file and exit vi?

Question13: Is the following description correct? When the ONT is offline, the MA5600T/MA5680T can perform ONT PPPoE simulation test operations.

Question14: Which of the following is not a common type of optical fiber connector?

Question15: How many bytes does the EthernetII header (without VLAN TAG) include?

Question16: In Ethernet, what address is used to distinguish different devices?

Question17: How many channels of ADSL2+&POTS access services are provided by the MA5600T ADSL2+&POTS integrated service board H80BCAME?

Question18: Is the following description correct? Triple Play refers to the simultaneous provision of multiple different service access methods on one subscriber line.

Question19: VLAN conversion on the user side is generally performed on the MA5680T service board. What are the methods for VLAN conversion?

Question20: The monitoring of environmental quantities refers to the monitoring of some environmental factors that may cause equipment damage, malfunctions, etc. Which of the following is not the subject of environmental monitoring?

Question21: In the EPON network, what is the upstream and downstream bandwidth of the PON port?

Question22: HG8245 product can be used in which of the following scenarios?

Question23: Is the following description correct? The computer in the local area network judges whether the received broadcast frame is what it should receive is to judge the source of the frameMACIs the address the same as the hardware address of the machine .

Question24: What are the network side (uplink) interface types provided by MA5600?

Question25: Regarding EPON, which of the following descriptions is incorrect?

Question26: When MA5600T is newly launched and connected to the network management system, which of the following descriptions are correct?

Question27: Is the following description correct? In the GPON network, in order to avoid data conflicts and improve network utilization efficiency, the downstream direction adopts TDMA multiple access mode and arbitrates the data transmission of each ONU.

Question28: VLAN division includes which of the following methods?

Question29: 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.

Question30: onIPWhich statement is correct in terms of routing?

Question31: 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.

Question32: MA5600 system comes with 4 default ADSL line templates, which of the following templates are provided when the system leaves the factory?

Question33: What are the categories of acceptance test items in the MA5600T/MA5680T acceptance test manual?

Question34: Regarding MA5600T/MA5680T Ethernet link aggregation, which of the following statements is wrong?

Question35: What are the queue scheduling methods supported by MA5600?

Question36: 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.

Question37: In the 802.1Q tag header, how many digits is the VLAN ID field, and how many VLANs can be specified in total?

Question38: MA5600T checks whether the currently running single board software version meets the requirements for on-site deployment. Which command is used?

Question39: Is the following description correct? Administrators can maintain and manage UA5000 devices through out-of-band network management or in-band network management.

Question40: Is the following description correct? MA5600T can support multiple broadband access services such as ADSL2+, SHDSL and VDSL2.

Question41: When configuring traffic table for MA5680T, if only CIR is configured and PIR parameters are not specified, what is the PIR value by default?

Question42: 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.

Question43: Compared with the template mode, when the MA5600T configures FTTH services in a simplified manner, which of the following steps does not require configuration?

Question44: Configure ADSL profile parameters in UA5000, what measures can improve line stability?

Question45: The value of the PROTOCOL field of the PPP protocol is 8021, what is the protocol represented?

Question46: MA5680T configures GPON ONT templates through templates. What templates need to be configured?

Question47: What are the maximum splitting ratios supported by MA5680T H801GPBC and H802GPBD?

Question48: Regarding OLT+MDU networking and OLT+ONT networking, what are the correct statements about multicast configuration?

Question49: In UA5000, which of the following boards can provide 32 ADSL2+ interfaces and 32 POTS interfaces at the same time?

Question50: Which control frame messages are defined by MPCP?

Question51: Among the access technologies of the access network, which of the following access methods can provide the largest access bandwidth?

Question52: In GPON network, which of the following reasons may cause ONU to fail to go online?

Question53: What are the operations that need to be performed when adding ONT to MA5680T?

Question54: Which of the following parameters are required to set up a network management workstation?

Question55: What kind of ICMP messages are used by the PING command?

Question56: 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?

Question57: In the UA5000 system, which command can be used to view the progress during data backup and loading?

Question58: 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.

Question59: Is the following description correct? The MA5612 provides a serial port. During the normal operation of the device, this port supports the external connection of the CONSOLE and ETH integrated interface cable, and is used as a maintenance serial port and a maintenance network port at the same time.

Question60: Is the following description correct? The ADSL port can only allow further operations on the port after unblocking the port.

Question61: Which of the following is not an ONT product?

Question62: Is the following description correct? MA5600T/MA5680T supports VLAN tag conversion. When SVLANs with different attributes create service flows through service-port, if tag-transform is set to default, there is no difference in tag conversion rules.

Question63: Regarding the difference between GPON and EPON, which of the following statements is correct?

Question64: 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?

Question65: Which two UDP port numbers are defined by H.248 protocol by default?

Question66: The router mainly works inOSIWhich layer in the model?

Question67: What is the number of ADSL2+ subbands?

Question68: When adding on-lineprofile to MA5680T, what needs to be configured?

Question69: Which of the following commands is used to query whether all the boards in the MA5600T/MA5680T 0 frame are operating normally?

Question70: In the GPON network, which one of the following descriptions is correct?

Question71: 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?

Question72: Is the following description correct? The MA5600T SCUN board provides 1 maintenance network port, 1 serial port, 1 environmental monitoring port, and 8 GE ports.

Question73: ODN link total loss includes which of the following aspects?

Question74: What is the maximum splitting ratio supported by the MA5680T GPBC board?

Question75: In SNMP V1, which of the following messages is a communication message between NMS and Agent?

Question76: Is the following description correct? ONT call emulation refers to the use of the ONT test module to replace the user's phone for call test. When ONT POTS users cannot provide voice services, remotely execute an ONT call simulation test through the OLT command line to help users diagnose whether the ONT's POTS user calls are normal. ONT can be offline during ONT call simulation

Question77: After installing the sybase patch, which of the following commands can display the version information of the installed sybase patch?

Question78: According to the IEEE 802.1Q standard, where is the VLAN identification field in the Ethernet frame?

Question79: Is the following description correct? Can test engineers use SmartKit NSE2700 Inspector on site to improve the efficiency of ADSL port activation?

Question80: Is the following description correct? MA5612 supports RF (Radio Frequency) over PON service access.

Question81: 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.

Question82: Is the following description correct? ICMPIs a link layer protocol,ICMPThe message is triggered by the physical layer, and then byIPLayer or higher layer protocol to respond.

Question83: 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?

Question84: Is the following description correct? The idea of the FTTx device offline deployment plan is to generate offline device configuration data through network planning dat a. After the device is installed and powered on, the configuration data is automatically issued to achieve the purpose of plug-and-play equipment.

Question85: Which of the following statements about 802.1Q is incorrect?

Question86: Is the following description correct? ONT loading on MA5600T/MA5680T GPBC/GPBD is parallel on-board, and it supports parallel loading of 64 ONTs at the same time.

Question87: UA5000 uses the supervlan command to add multiple Sub VLANs to a Super VLAN. Which VLAN type of Sub VLAN can be?

Question88: Is the following description correct? The mounting ears provided with the MA5616 are used for installation in a 19-inch cabinet.

Question89: According to the H.248 protocol, what is the type of terminal occupied when the telephone terminal is off-hook?

Question90: Is the following description correct? Users can establish PVC connections between different board ports or between different ports on the same board. The main purpose is to realize the point-to-point interconnection between two different users.

Question91: MA5680T supports QinQ and VLAN stacking attributes. Which of the following VLANs supports QinQ attributes?

Question92: What is the difference between alarm shielding and alarm suppression?

Question93: Which of the following are common methods for locating Ethernet connection faults?

Question94: Regarding the ADSL rate limit in the UA5000, which of the following statements is incorrect?

Question95: 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.

Question96: Which method does BTV service use to send messages in the network?

Question97: Which of the following are the methods and ideas for locating abnormal XDSL dial-up faults?

Question98: The UA5000 narrowband main control board PVM and the broadband main control board IPM are jointly networked and provide voice services and broadband services at the same time. The voice services are transmitted to the IPM single board through the internal IP channel, and then transmitted by the upstream interface of the IPM single board To the upper network, which command should be used to configure the system networking mode at this time?

Question99: What remote acceptance functions can MA5600T/MA5680T provide?

Question100: IPMB is the broadband control board of UA5000. What are its main functions?

Question101: Is the following description correct? When negotiating the project acceptance test items with the customer, it is recommended to submit the product-related product acceptance manual directly to the customer, so that the customer can choose the test item by himself.

Question102: During the configuration of the EPON PPPoE service, what templates need to be configured to increase the MDU?

Question103: Is the following description correct? MA5616 only supports DC power supply.

Question104: Which of the following statements about the management functions of the network management data center (DC) are correct?

Question105: Is the following description correct? The MA5600T event level can be divided into four levels: critical, major, minor, and warning.

Question106: Is the following description correct? VPI/VCI is a global concept and must be unique under the interface.

Question107: Is the following description correct? 1483B encapsulates MAC data frames on AAL5, and 1483R encapsulates IP data frames on AAL5.