EMT Practice Test

1. Question Content...

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Question1: In the following communication systems of rail transit, which systems can our transmission and access products participate in? (Multiple choice)

Question2: As subway services are gradually transformed to IP, the subsequent transmission network no longer needs to be isolated by physical pipelines, and only needs to be scheduled according to the priority of IP services.

Question3: Which of the following description is correct? (Multiple Choice)

Question4: What kind of solution is generally used by DCI?

Question5: The main purpose of cloudification of government affairs is to realize the integration of business and information resources.

Question6: What are the main push devices for data center interconnection scenarios? (Multiple choice)

Question7: The network management of Huawei access products supports rogue ONU detection.

Question8: In the subway industry, the transmission network is mostly a ring network. According to the length of the subway line, it is generally two or three rings. The MS-OTN solution solves the networking problem of the intersecting ring on the basis of satisfying the tangent ring, to better match the needs of the subway network.

Question9: The 2M signal in the SDH standard has a total of 32 time slots.

Question10: The self-built optical transmission network can achieve physical isolation, so it must be more reliable and economical.

Question11: The maximum capacity of the single wave in the transmission scheme of Huawei Financial Data Center is:

Question12: When there are a large number of analog services on the existing network, which description of Huawei's transmission equipment is wrong?

Question13: Which of the ONT supports the wifi model?

Question14: Which of the following products is the main product in Huawei's smart city transmission network solution?

Question15: Subway NOCC is the brain of urban rail transit. The main solution of NOCC trunk line is 100G MS-OTN, which has features including, large capacity, high security, anti-error, easy operation and maintenance, etc., and can realize the unification of various services bear.

Question16: Beacon single-slot 1T platform is ?

Question17: Which year is required for the construction of the video network in Document No. 996?

Question18: The full-light video is circulated, and there are super high requirements for environment and temperature, which can be selected?

Question19: The recommended equipment selection of Huawei's subway main line 100G solution is OSN1800V product.

Question20: The advantage of the transmission scheme of Huawei Financial Data Center is: (Multiple Choice)

Question21: How many slots does the 1800I enhanced device have besides the main controller?

Question22: The frame structure of SDH includes:

Question23: What can be connected to the EA5800 device in the following ONU device? (Multiple Choice)

Question24: The enhanced MSTP solution does not support the 1588V2 synchronization method.

Question25: Which of the following is not the key message of the "IP+Light" fusion solution?

Question26: What does the board marked in red in the configurator mean?

Question27: The main application scenarios of DC908 does not include: (Multiple Choice)

Question28: Huawei provides large bandwidth for data transmission in financial data centers through single-wavelength 100G/200G/400G equipment.

Question29: What are the driving forces of e-government construction? (Multiple choice)

Question30: Which of the following is not the advantage of the enhanced MSTP built-in PCM solution over the traditional solution?

Question31: What kind of optical transmission solution is currently the main push for e-government?

Question32: What are the advantages of GPON web compared to EPON? (Multiple Choice)

Question33: WDM can usually be divided into which types of equipment? (Multiple choice)

Question34: At present, what is ZTE's mainstream solution for subway transmission?

Question35: The convergence part of the "IP + optical" L solution of the All-Light Hospital is passive, that is, no power supply is required.

Question36: Huawei WDM does not support OSNR detection for 100G wavelengths.

Question37: The advantages of SDH ultra-long distance solutions used in the power industry do not included ().

Question38: What are the rich service interfaces included in the Huawei Financial Data Center Transmission Solution? (Multiple choice)

Question39: Since the existing MSTP network cannot support 1588V2 precise clock time synchronization, there are limitations in supporting LTE-R services. It is recommended to use MS-OTN to carry LTE services.

Question40: The development trend of railway communication business is to develop towards wireless broadband, control automation, and intelligent operation.

Question41: Which is Huawei's first transmission product in the highway section access solution?

Question42: Which of the following suppliers does not support dual-plane solutions?

Question43: What are the products that support the OTN architecture? (Multiple choice)

Question44: Huawei video private network transmission network can support.

Question45: Which of the following 9800 M12 Product Highlights? (Multiple choice)

Question46: The OLT model of the radio and television access central office is EA5800.

Question47: In the railway industry, which of the following service protection methods are unique to the MS-OTN solution compared to traditional MSTP? (Multiple choice)

Question48: Support MPLS-TP standard packet switching technology, through statistical multiplexing, etc., can efficiently carry high-bandwidth data services such as video images, office automation and other highways.

Question49: Which of the following protection methods has the lowest cost?

Question50: Huawei use Huawei's self-developed chips for the access to MA5800 series products.

Question51: What are the advantages of the GPON bearing railway fiber-to-the-team solution? (Multiple choice)

Question52: The power OTN backbone communication network is mainly used to carry ( ) services.

Question53: POL is an enterprise local area network based on PON technology, which provides users with integrated data, voice, video and other weak current services through optical fibers. Through the POL solution, enterprises can combine different systems such as data, voice, video, and wireless access into one optical fiber network, which has incomparable advantages over other technologies.

Question54: Highlights of Huawei MSTP products include: (Multiple choice)

Question55: Which description is wrong about the challenges faced by the current railway MSTP solution in the future business evolution?

Question56: Regarding EA and EG companies proprietary brands, what are the correct descriptions? (Multiple Choice)

Question57: In long-distance transmission, the selection sequence of the scheme is usually as follows

Question58: What does Circular 996 of the Video Big Network stipulate?

Question59: In the WDM model, the functional unit that completes the O-E-O conversion is?

Question60: During the scenario of DCI, the most important driving force for self-built transmission networks is:

Question61: What are the business interfaces that can transmit the 1588V2 protocol at present? (Multiple choice)

Question62: What are the advantages of railway MS-OTN A/B dual-plane networking? (Multiple choice)

Question63: The actual effective bandwidth of GPON down is about 2.3g. If all users under the single PON have opened a 1000M package, how many households can be supported?

Question64: The development of smart cities in China has developed to a stage driven by new technologies.

Question65: The convergence part of the all-optical campus "IP + optical" solution is passive, that is, no power supply is required.

Question66: What are the main products of the power industry's transmission and connection products/solutions? (Multiple choice)

Question67: WDM system, noise is mainly introduced by EDFA amplifier.

Question68: Among the ultra-long-distance transmission characteristics of our OSN equipment, the 2.5G single-span optical power budget can reach to ( ) when Raman amplifiers are not used at present.

Question69: Which of SDH ASON network can achieve permanent 1+1 protection?

Question70: The enhanced MSTP solution supports both the physical isolation of VC particles and the physical isolation of ODUK particles.

Question71: What should a smart service-based e-government network look like? (Multiple choice)

Question72: Which of the railway business's description of network security and reliability requirements is wrong?

Question73: Radio and television start a full-service operation mode and transform to an operator.

Question74: Huawei full-light video back to the network, which equipment is common equipment? (Multiple Choice)

Question75: GPON downlink wavelength is?

Question76: What are the cases of Huawei radio and television XPON application? (Multiple Choice)

Question77: How to obtain fiber in DCI scenarios generally?

Question78: What is the relay mode implemented? (Multiple choice)

Question79: What plan do we mainly promote in the radio and television county and township transmission network?

Question80: What is the maximum exchange capacity of the new brand OLT EA5800-X7 in the company?

Question81: Which of the following statements about ASON technology is wrong?

Question82: The definition of OTN is Open transmission network.

Question83: FTTO is the abbreviation of Fiber-to-the-Office, mainly for commercial users, or the construction of office networks of hospitals, banks and government enterprises, using ONUs with rich interfaces to be deployed in offices to meet broadband, voice, and video.

Question84: What advantages does OTN have over WDM? (Multiple choice)

Question85: About the XGS PON description, which is wrong?

Question86: The EA/EG series access products are Huawei's proprietary brand for enterprise access companies, which can better match the business needs of enterprises and effectively reduce operators' cross-selling.

Question87: In the Internet era, with the development and popularization of cloud platforms, the traffic model of the campus network has undergone great changes. From the original horizontal traffic to vertical traffic, more and more traffic comes from outside the local area network.

Question88: Which of the description about the POL and the traditional LAN network is wrong?

Question89: Financial data center interconnection is not sensitive to transmission delay.

Question90: In the transmission scheme of Huawei Financial Data Center, which is mostly used for the five major banks with large business volume, joint -stock banks, and local banks?

Question91: Huawei optimizes low-latency solutions at the system and chip levels to meet the performance requirements of financial active-active data centers.

Question92: In the radio and television county and township solution, OSN 1800V products and OSN 1800II enhanced service boards cannot be universally used.

Question93: The commonly used nonlinear effect control techniques are ? (Multiple choice)

Question94: The railway wireless delay gradually evolves from GSM-R to LTE-R, so the transmission equipment no longer needs to be compatible with the original SDH service.

Question95: For the radio and television snow-bright project, it is used for the return scene of the video business, which type of ONU will consider to use below?

Question96: The OLT product MA5800 supports high-density 48-port GE and 8-port 10GE aggregation boards.

Question97: The networking architectures supported by SDH devices are ? (Multiple choice)

Question98: ODN is an important part of the POL solution, the networking is flexible and convenient, the transmission distance is long, and the optical fiber transmission does not require power supply, but the ODN equipment still needs power supply.