EMT Practice Test

1. Question Content...

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Question1: (Single) What kind of domain can a VLAN be considered?

Question2: (multiple) In Huawei DSLAM products, which of the following attributes have two layers of VLAN TAG information?

Question3: (multiple) In SNMP V1, which of the following messages is a communication message between the NMS and the Agent?

Question4: (single) Which of the following modules is not a function module of the SCU main control board of the MA5600?

Question5: (single) Passive Optical Network (PON) is a single-fiber bidirectional optical access network with what structure?

Question6: (single) Regarding the running status indicator (RUN ALM) of the MA5600T main control board, which of the following states indicates that the board is operating normally?

Question7: Fast Ethernet rate standards include 100Base-TX, 100Base-T4 and 100Base-FX.

Question8: (single) Does the MA5616's uplink mode not include?

Question9: What is the maximum physical transmission distance supported by GPHF in the GPON system?

Question10: (single) Is the following description correct? MA5600T/MA5680T GPBC/GPBD ONT loading board parallel, and supports 64 ONT parallel loading.

Question11: (single) Is the following description correct? FTP, TFTP, or SFTP can be used for the upgrade of the access network. The FTP mode is recommended.

Question12: What is the role of DBA in GPON system?

Question13: (single) Which of the following statements about ATM network VP, VC, which is correct?

Question14: (single) Is the following description correct? In PON networks, multimode fibers are often used.

Question15: (single) What is the number of ADSL2+ subbands?

Question16: (multiple) Data configuration on the OLT. When adding a Gemport, you usually choose the type of service carried by Gemport. Which of the following business types does gemport support?

Question17: (single) In the H.248 protocol, the terminal can be set to detect events by programming. Once these events are detected, the MG sends a message to the MGC for reporting or the MG takes corresponding action.

Question18: (multiple) Which ICMP packets are used by the PING command?

Question19: (single) Regarding the MIB statement, which of the following descriptions is incorrect?

Question20: (single) Which of the following slots can the TSSB board in the UA5000 high-density be inserted?

Question21: (single) In order to ensure the traceability of the user and the refined QoS control management based on the user and the service, the Internet access service is planned in the manner of PUPSPV (per user per service per VLAN), and the attributes of the SVLAN on the OLT are recommended to be configured. Kind?

Question22: (single) In the GPON system, what type of bandwidth is included in type 1 of the Tcont type?

Question23: (single) Is the following description correct? Devices in the ODN network require power to operate.

Question24: (single) Is the following description correct? The MA5680T supports the template mode and the discrete configuration mode to configure the FTTH service. In the template mode configuration, the ont-profile add command is used to configure the ONT.

Question25: (single) Is the following description correct? ADSL2+ is an extension of ADSL technology, supporting downlink rates up to 24 Mbit/s and uplink rates of 2.5 Mbit/s, with a maximum transmission distance of 6.5 km.

Question26: (single) Is the following description correct? The MA5600T/MA5680T supports VLAN tag conversion. When an SVLAN with different attributes creates a service flow through the service-port, if the tag-transform is set to default, the Tag conversion rules are different.

Question27: In the access network technology, which of the following access methods can provide the highest access bandwidth?

Question28: (single) The MA5600T checks whether the version of the currently running board software meets the requirements for on-site deployment. Which command is used?

Question29: (multiple) Which of the following access network products can provide ADSL access?

Question30: (single) Is the following description correct? The link layer defines electrical and mechanical processes and functions to enable activation, maintenance, and removal of lines when systems are connected at both ends.

Question31: (single) A part of the field in the IP packet is used to describe the lifetime of the packet, that is, the TTL value. What is the maximum value?

Question32: (single) By default, which type of queue is the queue scheduling mode on the OLT?

Question33: (single) Which of the following commands is used to shut down the sybase primary server?

Question34: (single) Is the following description correct? The transmission form of the LAN is generally based on the bus type. The most commonly used corresponding protocol is the carrier sense and collision detection CSMA/CD protocol.

Question35: (multiple) Multi-point MAC Control Layer The message format is an Ethernet frame. What is its destination MAC?

Question36: (single) If there is multiple set-top boxes under one ONT (for example, HG850) while watching a multicast program, which of the following functions is enabled for the ONT multicast user on the OLT can ensure that one set-top box switches channels while other set-top boxes are watching. The program is not affected?

Question37: (multiple) What are the bandwidth types of DBAs in GPON networks?

Question38: ICMP is a link layer protocol. ICMP messages are triggered by the physical layer, and response messages are provided by the IP layer or upper layer protocol.

Question39: (single) By default, how many multicast programs can be viewed by each multicast user under the MA5680T at the same time?

Question40: (single) Which command is used to delete a board in the UA5000 chassis?

Question41: Features of GPON frame include:

Question42: (single) Which of the following commands is used to check whether the running status of all boards in the MA5600T/MA5680T 0 is normal?

Question43: (single) Is the following description correct? The cells transmitted in the ATM network have two priority levels, which are distinguished by the CLP bits in the cell header. CLP=1 indicates that the priority is high, and CLP=0 indicates that the priority is low.

Question44: (single) Is the following description correct? Can the test engineer use the SmartKit NSE2700 Inspector to improve ADSL port activation efficiency?

Question45: (single) Which of the following access technologies is the fastest?

Question46: (single) Is the following description correct? The MA5600T/MA5680T GPON Internet service simplification method optimizes the number of templates and complex configurations in the template mode, reducing user configuration workload and post-maintenance costs. The simplified mode currently only supports the GPON FTTH scenario. For the newly created GPON FTTH scenario and scenarios with low QoS requirements, the simplified mode can be used for service configuration.

Question47: (single) In the GPON network, which of the following statements is incorrect?

Question48: (single) Is the following description correct? The PVM manages and controls the service boards in the UA5000 chassis. It can also send signals and receive numbers to implement V5 protocol and H.
Processing of the 248/MGCP protocol.

Question49: (single) Which is the correct sorting of the loss of the fiber connection point?

Question50: (single) Which layer of the OSI model does the router mainly work on?

Question51: (multiple) Types of northbound interfaces provided by the U2000 to the network management layer include?

Question52: If the subnet mask is 255.255.248.0, which of the following IP addresses belong to the same network segment?

Question53: (single) In the UA5000 chassis where the PVM is used as the main control board, which one is correct about the user board?

Question54: (single) Which of the following scenarios can the HG8245 product use?

Question55: (single) Is the following description correct? The MAC address consists of 48 bits, usually expressed in 12-digit hexadecimal. The first 6 hexadecimal digits are uniformly distributed by the IEEE to determine the uniqueness of the vendor. The last 6 hexadecimal digits are managed by each vendor.

Question56: (single) According to the provisions of the H.248 protocol, what type of terminal does the telephone terminal occupy when it goes off-hook?

Question57: (multiple) The MA5600T supports multiple traffic classification technologies. What are the currently supported traffic classification technologies?

Question58: (single) UA5000 If the PVM and the IPM are connected to each other, and the voice service and the broadband service are provided at the same time, the voice service is transmitted to the IPM through the internal IP channel, and then the uplink interface of the IPM board is transmitted to the upper layer network. Which is set to?

Question59: (multiple) Which of the following information is the information provided by the Solaris environment variable?

Question60: (multiple) Which control frame messages are defined by MPCP?

Question61: (single) Is the following description correct? When negotiating the project acceptance test project with the customer, it is recommended to submit the product related product acceptance manual directly to the customer, and let the customer choose the test project.

Question62: (single) Which is the next generation development prospect of the access network?

Question63: The international organization responsible for allocating IP addresses has divided some private network segments, which can be flexibly allocated to private network users. Which of the following is not a private network segment?

Question64: (single) 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?

Question65: (single) What is the uplink and downlink bandwidth of the PON port in the EPON network?

Question66: (single) Is the following description correct? The OLT supports the direct copying of user packet priorities as the priority of forwarding packets. It also supports local setting of priorities directly on the OLT.

Question67: (single) Which of the following methods can be used for the MA5600T/MA5680T single board reset test?

Question68: (single) Is the following description correct? In the GPON network, in order to avoid data collision and improve network utilization efficiency, the TDMA multiple access mode is adopted in the downlink direction and the data transmission of each ONU is arbitrated.

Question69: In the GPON network, there is a long-light emitting ONT, what impact will it have?

Question70: (single) Is the following description correct? The MA5600 uses the service-port command to create an xDSL service flow. The service flow is classified into single service and multiple services. If you select single-service or do not enter multi-service, the default is single service.

Question71: (single) Is the following description correct? In the classification of acceptance test items, the basic package is used to ensure the normal operation of equipment and network basic services and functions, and it is only necessary to use simple or cheap instruments to meet the acceptance test items.

Question72: (multiple) Which of the following parameters are required to set up the network management workstation?

Question73: (single) Which of the following products are not part of the ONU series?

Question74: (multiple) Compared with the template mode, when the MA5600T configures the FTTH service in a simplified manner, which of the following steps does not need to be configured?

Question75: (single) Which of the following boards does not belong to the narrowband service board of the UA5000?

Question76: (multiple) QC engineers launch the SmartKit NSE2700 Quality Inspector tool to support which of the following ways to connect devices?

Question77: (Single) The UA5000 narrowband main control board PVM and the broadband main control board IPM are connected to each other to provide voice services and broadband services. The voice service is transmitted to the IPM board through the internal IP channel, and then transmitted to the upper layer by the uplink interface of the IPM board. Network, which command should be used to configure the system networking mode?

Question78: (single) Regarding the OLT+MDU networking and OLT+ONT networking, what are the correct statements about multicast configuration?

Question79: (multiple) Which two are the default UDP port numbers defined by the H.248 protocol?

Question80: (single) Is the following description correct? VDSL2 provides uplink and downlink symmetric/asymmetric transmission rates on a pair of twisted pairs, with a transmission distance of about 3 km, a maximum downlink rate of 52 M (symmetric rate), and a maximum uplink rate of 12 M (asymmetric rate).

Question81: (single) For the GPON line, the MA5600T/MA5680T supports multiple protection switching modes. Which of the following protection technologies does the MA5600T/MA5680T support for both the backbone fiber and the branch fiber?

Question82: (multiple) Which of the following are the methods and ideas for XDSL dialup abnormal fault location?

Question83: (multiple) The UA5000 uses the supervlan command to add multiple sub VLANs to a super VLAN. Which VLAN types can be used for the Sub VLAN?

Question84: (single) In the 802.1Q tag header, how many VLANs is the VLAN ID, how many VLANs can be specified?

Question85: (single) Is the following description correct? EPON packets are variable length. The GPON downstream frame is fixed length.

Question86: (multiple) About MA5600 Super vlan and Sub Vlan, what are the correct descriptions below?

Question87: (single) In the Solaris environment, which of the following commands (parameters) is used to unconditionally abort the process?

Question88: (single) In the EMU command line mode, different environment monitoring units are configured with different command keywords. Which keyword is used by the 4845/4875?

Question89: (multiple) Which of the following encoding formats are available in the H248 protocol?

Question90: (single) How many message commands are there in the H.248 protocol?

Question91: Optical power attenuation, insertion loss, and return loss are the key parameters of ODN network.

Question92: (single) Which index range does the MA5600 extended access control list have?

Question93: (single) Is the following description correct? The administrator can maintain and manage the UA5000 through the outband network management or inband network management.

Question94: (single) What modulation method does ADSL access use in MA5600 products?

Question95: (single) Which of the following is incorrect for the expression of ONT tcont?

Question96: (single) Which method does the BTV service use to send messages on the network?

Question97: (single) Is the following description correct? The mounting ears of the MA5616 are used for 19-inch cabinet installation.

Question98: (single) Is the following description correct? The larger the return loss, the better. In general, the return loss of APC is greater than that of PC type connector.

Question99: (single) Regarding the use of the ADSL interleaving mode, which of the following statements is correct?

Question100: (multiple) What are the operations that need to be performed when adding an ONT to the MA5680T?

Question101: (single) Which of the following is incorrect about PPPoE description?

Question102: Are the following statements correct? In the GPON network, when the T-CONT type is Type 1, the system will only reserve the specified bandwidth for the service.

Question103: (single) Is the following description correct? The MA5612 supports RF (Radio Frequency) over PON service access.

Question104: (single) What are the maximum split ratios supported by MA5680T H801GPBC and H802GPBD?

Question105: (single) What message does the H.248 Media Gateway send to the MGC to register?

Question106: (single) Which of the following is not a common type of fiber optic connector?

Question107: (single) Which of the following boards can provide 32 ADSL2+ interfaces and 32 POTS interfaces at the same time?

Question108: (multiple) What types of main control boards are supported by the MA5600T?

Question109: (single) Which of the following is incorrect about GPON?

Question110: (single) Which of the following symbols is used to indicate all terminals in the H.248 protocol?

Question111: (single) Is the following description correct? The ADSL port can only allow further operations on the port after the port is unblocked.

Question112: (single) In Ethernet, what address is used to distinguish different devices?

Question113: (single) Is the following description correct? Fast Ethernet speed standards are 100Base-TX, 100Base-T4, and 100Base-FX.

Question114: (single) Regarding the ADSL rate limit in the UA5000, which of the following statements is incorrect?

Question115: Which of the following is not part of the PON network?