EMT Practice Test

1. Question Content...

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Question1: The rapid development of edge computing is mainly driven by which of the following factors? (Multiple choice)

Question2: There are many types of data in the Internet of Vehicles scenario, some of which are time-related and have a very large amount of data, such as motion track records, battery data, monitoring data, etc. Which of the following types of data services is recommended?

Question3: On HUAWEI CLOUD, when users use AOM to collect container and virtual machine logs in their cloud services, they do not need to configure the log collection path first.

Question4: The software development platform service DevCloud supports functions such as project management, code hosting, and code inspection. In the following description, which items belong to project management? (Multiple choice)

Question5: In the practical guidance of microservices, () microservices can be published in gray scale.

Question6: Which of the following options is the correct process for enterprises to go to the cloud?

Question7: Among the following descriptions about the difference between cloud hard disk backup and snapshot, which ones are correct? (Multiple choice)

Question8: Among the campus solutions of the intelligent edge platform IEF, which one does not belong to the scope of IEF for distribution and management?

Question9: Which of the following network types are mainly included in the cluster network of Huawei Cloud Container Engine CCE? (Multiple choice)

Question10: A product is highly reliable, that is, () is very large, indicating that the product rarely fails, but the product is very poor in maintainability, and it takes a long time to recover from a failure, that is, () is very large, then the product is still not highly available.

Question11: Froatheus is an open source system monitoring and alarm framework, which is very suitable for recording any purely mathematical time series. It is suitable for machine-centric monitoring, and also suitable for monitoring highly dynamic service-oriented architecture, because it does not support charts and Visual display, so it needs to be monitored with Grafana.

Question12: Huawei Cloud MapReduce Service MRS builds big data clusters based on containers. It is a service for deploying and managing Hadoop systems on Huawei Cloud. One-click deployment of Hadoop clusters.

Question13: After migrating the traditional architecture to the cloud, proper use of HUAWEI CLOUD products can significantly improve performance. The following is a description of each product and scenario. Please match the application scenario with the applicable service product.

Question14: When users use the LTS cloud log service on Huawei Cloud, when it is necessary to dump the logs to OBS, the log group should be used as the basic operation unit

Question15: A customer of a game company needs to build a real-time leaderboard, use Pub/Sub to realize an instant chat room, deploy a dynamic server to update the "circle of friends" published by players, an account server to save basic user information, and a friend server to persistently store massive, Complex web of player relationships.
Which of the following HUAWEI CLOUD database products can be used to meet the above requirements? (Multiple choice)

Question16: The exclusive distributed storage service DSS supports custom policies.
Which of the following is the correct way to create a custom policy? (Multiple choice)

Question17: Which of the following descriptions about the disaster recovery solution in two places and three centers is correct? (Multiple choice)

Question18: The HUAWEI CLOUD private line is used to build a high-speed dedicated connection channel between the user's local data center and the HUAWEI CLOUD VPC. Which of the following is not a network requirement for private line access?

Question19: An enterprise deploys new services in HUAWEI CLOUD through the cloud container instance service CCI. The operation and maintenance personnel MR Wang is going to connect the CCI instance to the application operation and maintenance management service AOM to facilitate subsequent viewing and retrieval of logs. Which of the following description of connecting CCI to AOM service is correct? (Multiple choice)

Question20: Which of the following statements about situational awareness and services are correct? (Multiple choice)

Question21: Data replication service DRS provides multiple functions such as real-time migration, backup migration, real-time synchronization, data subscription and real-time disaster recovery, among which real-time migration supports multiple network migration methods.
Which of the following descriptions about network migration methods does not support live migration?

Question22: Which of the following descriptions about cloud database RDS is wrong?

Question23: A user wants to achieve cross-regional communication between VPCs. Which of the following services can help the user achieve the goal? (Multiple choice)

Question24: Web Application Firewall (WAF) is an application security protection product provided by Huawei Cloud. Which of the following threats can WAF protect against? (Multiple choice)

Question25: Which of the following descriptions about bare metal server BMS is wrong?

Question26: Microservice Engine CSE is a one-stop management platform for microservice solutions. Using a microservice engine enables developers to focus more on the operation and maintenance of business platforms, further improving product delivery efficiency and quality.

Question27: In the Prometheus+Grafana open source operation and maintenance solution, Frometheus mainly plays the role of data collection, and Grafana is responsible for displaying the collected data, not responsible for data collection and processing.

Question28: Traditional applications have poor scalability, so availability and concurrency are not high.
In which ways can distributed applications be used to solve these problems? (Multiple choice)

Question29: Recently, the website of a certain enterprise suffered from a malicious network attack. In order to protect the safe operation of the business, the enterprise decided to purchase cloud security products.
Which of the following descriptions about how to use cloud security products are correct? (Multiple choice)

Question30: The instance types provided by ApsaraDB for MySQL not only support stand-alone and active/standby, but also support MHA (Master High Availability) high availability.

Question31: Compared with the cloud firewall, the web application firewall mainly protects the Internet border and the VPC border, while the web application firewall mainly protects web services, domain names or P, etc.

Question32: In Huawei container hybrid cloud and multi-cloud solutions, which of the following services can provide traffic management capabilities for K8S clusters deployed in different regions?

Question33: Which of the following descriptions about cloud-native key technologies are correct? (Multiple choice)

Question34: Data express service DES is a transmission service for terabytes or petabytes of data to the cloud. It uses physical storage media (USB, eSATA interface disks, etc.) or Teleport to transmit large data to Huawei Cloud. Which description of DES is wrong?

Question35: After configuring the peer-to-peer connection, the cloud operation and maintenance engineer of a company found that the two VPCs still cannot be accessed normally.
Which of the following possible reasons are correct? (Multiple choice)

Question36: Compared with self-built servers, which of the following descriptions about the advantages of deploying business on the cloud is wrong?

Question37: The Internet of Things is an important part of the new generation of information technology, and it is also an important development stage in the "informationization" era. If the factory connects the production line equipment to the IOT platform, and conducts real-time monitoring, analysis and early warning of the equipment, the equipment can be effectively improved. Use efficiency.
HUAWEI CLOUD provides an IoT solution. Which of the following descriptions about this solution is wrong?

Question38: An Internet company has deployed a new business system through Huawei Cloud, and now needs to set different access permissions for employees to achieve permission isolation between different employees. It is usually recommended that the company use the unified identity authentication service IAM for fine-grained permission management.

Question39: Network QoS refers to the use of various basic technologies to provide better service capabilities for designated network communications. Configuring QoS in the network environment can increase the predictability of network performance, effectively allocate network bandwidth, and make more reasonable use of network resources. The QoS data of cloud resources with specified specifications can be queried through the specification list.
Regarding the QoS data, what are the main items included? (Multiple choice)

Question40: In order to prevent abnormal access by malicious users, an Internet company controls the data flow in and out of the subnet by configuring outbound/inbound rules associated with the company's subnet to protect the security of the company's subnet.
Regarding the priority description of network ACL rules, which one is correct?

Question41: An enterprise deploys multiple applications through the cloud container engine CCE, and needs to monitor the running status of resources and containers on the cloud. Which of the following cloud services is recommended to meet the operation and maintenance requirements?

Question42: Which of the following descriptions about NAT gateways is wrong?

Question43: Which of the following descriptions about Huawei Cloud database MySQL is correct? (Multiple choice)

Question44: Application operation and maintenance management AOM service supports in-depth docking application services, one-stop collection of operation and maintenance data of infrastructure, middleware and application instances, which of the following descriptions about AOM features is wrong?

Question45: The instance removal strategies currently supported by the auto scaling service include four methods. They are: earlier created instance, later created instance, earlier created instance in earlier created configuration, and later created instance in earlier created configuration. The instance policy created earlier is useful when users want to test a new scaling configuration but do not want to keep it in production.

Question46: A company intends to migrate its architecture to Huawei Cloud, and at the same time purchase related security service products to build security protection. Please match each demand scenario with a suitable product.

Question47: Cloud hard disk EVS can provide cloud servers with highly reliable, high-performance, rich specifications and elastically expandable block storage services, which can meet the business needs of different scenarios. According to different performances, it can be divided into: ultra-fast SSD, ultra-high Type 10, General Purpose SSD and High Type 10.
An existing Internet start-up company deploys its business on a cloud server. In order to complete the daily development and testing of the business, which of the following specifications of the cloud hard disk is the cheapest?

Question48: The process of microservice engine CSE registration discovery is described as follows:
1. When the microservice starts, it will register the instance information to CSE, including the basic information of the instance, such as application name, microservice name, instance address, etc.
2. When the microservice needs to call the business data of other microservices, it will query the instance information from the configuration center and cache the local information into the instance. The cache will be updated through mechanisms such as event notification and real-time query
3. Realize point-to-point calls between microservices through real-time cached address information. When there are multiple instances of microservices, different access strategies can be configured

Question49: The exclusive distributed storage service DSS supports custom policies.
Which of the following is the correct way to create a custom policy? (Multiple choice)

Question50: The cloud database instance provided by HUAWEI CLOUD supports multiple access methods. Which of the following access methods is not supported?

Question51: In the following description of the ServiceStage function, which items are correct? (Multiple choice)

Question52: An Internet company uses Huawei Cloud to deploy its business. The operation and maintenance personnel found that the weekly traffic peak basically occurs on Friday night, which is about 30% to 40% higher than usual, resulting in slow business response. The company decided to purchase new resources (cloud services such as AS+ECS) on Huawei Cloud to solve this problem. Considering factors such as cost, which of the following payment methods is the most appropriate when choosing an elastic cloud server?

Question53: Cloud container instance service CCI provides serverless container (serverless container) introduction, so that users can run containers directly without creating and managing server clusters. In the following description about cloud container instance service CCI, which one is wrong?

Question54: A customer plans to monitor the Kubernetes environment of a data center through Prometheus+Grafana. Which of the following description of Prometheus is wrong? (Multiple choice)

Question55: In the application software architecture, the classic three-tier architecture consists of the user interface layer (Userlinterfacelayer), business logic layer (Businesslogiclayer) and data access layer (DataAccesslayer) from top to bottom. The data access layer is also called the domain layer, which is responsible for the processing of system business logic, and is also called the Service layer.

Question56: Huawei Cloud provides () platform services for IoT access scenarios, providing the ability to connect massive devices to the cloud, devices and cloud two-way message communication, etc., and can flexibly transfer device data to other services of Huawei Cloud, which can help the Internet of Things Industry users quickly complete equipment networking and industry application integration.
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Question57: An Internet company needs to frequently perform image processing, video live broadcast/transcoding, real-time data stream processing, etc., and often faces situations that cannot be handled during peak business periods.
The company plans to process it through the function workflow FunctionGraph: upload files to the object storage OBS through the client, trigger the FunctionGraph function, and process the data immediately after uploading. In the following description of this solution, which items are correct? (Multiple choice)

Question58: Lstio is an open platform that provides connection, protection, control, and observation functions. By providing a complete non-intrusive microservice governance solution, it can well solve services such as cloud native service management, network connection, and security management. network governance issues.

Question59: When a user uses the Huawei Cloud SMS service to migrate a window host with 300GB of data, in theory, it takes about 15 hours to complete the migration when the source bandwidth is 100Mbit/s.

Question60: Huawei Cloud MapReduce service MRS provides real-time distributed computing cabinets to analyze and calculate massive real-time data streams. In the elevator networking industry, smart elevator data can be uploaded to the MRS streaming cluster for real-time monitoring. In this scenario, the system needs to support access from massive data sources and collect data in real time.
Which of the following components need to be included when planning this MRS cluster? (Multiple choice)

Question61: An Internet company uses Huawei Cloud to deploy its business, uses IPCO1 to deploy its development environment, and uses C2 to deploy its test environment.
Now that the development team wants to connect to the test group network and create a peer-to-peer connection service, which of the following needs to be confirmed before creating a peer-to-peer connection?

Question62: Compared with non-relational databases, relational databases use semi-structured datasets to store data, while non-relational databases use structured tables to store data.

Question63: HDFS guarantees that a file can only be written by one caller at a time, but can be read by multiple callers at the same time.

Question64: A customer purchased the auto scaling service. When the customer enabled the scaling policy for the created scaling group, he found that not only one scaling policy could be enabled for the scaling group, but also multiple scaling policies could be enabled. When enabling multiple scaling policies, it is necessary to ensure that the conditions of the multiple scaling policies do not conflict.

Question65: What are the advantages of Huawei cloud database RDS compared with self-purchased servers to build databases? (Multiple choice)

Question66: A company's financial system uses an Oracle database to store business-related data. Now when it wants to migrate the system data to the Huawei cloud database CaussDB (for openGauss), it should use the DRS tool to complete the data migration.

Question67: The cloud database RDS for NySQL has made a lot of optimizations in the kernel. In the following description of the optimized content, which items are correct? (Multiple choice)

Question68: The disk mode of the cloud hard disk service EVS can be divided into SCSI type and () type according to whether it supports advanced SCSI commands.

Question69: Database and application migration UGO is a specialized tool focusing on heterogeneous database object migration and application migration. Through the two core functions of pre-migration evaluation and structure migration, the automatic migration of mainstream commercial databases to HUAWEI CLOUD databases is realized, helping users easily realize the purpose of one-click cloud access and one-click switch database.

Question70: An enterprise plans to migrate part of its business to Huawei Cloud. In order to ensure the stability and reliability of the business, some test services are migrated for observation in the early stage, in order to monitor the operation of the newly launched business, it is necessary to analyze the log, and through the log analysis, Provide a reference for subsequent business migration.
Which of the following descriptions about Cloud Log Service LTS is wrong?

Question71: Cloud native 2.0 is a new stage of enterprise intelligence upgrade. Enterprise cloudification has moved from "ON Loud" to "IN Cud", becoming a "new cloud native enterprise". Which of the following descriptions about cloud native 2.0 is wrong?

Question72: Compared with traditional databases, cloud databases only need to pay for database instances, without purchasing and installing any software and hardware, which simplifies operation and maintenance costs.

Question73: Cloud backup service CBR provides easy-to-use backup services for resources such as cloud servers, bare metal servers, and cloud hard disks on the cloud, and can restore data to any backup point.
Which of the following usage scenarios about cloud backup is wrong?

Question74: An enterprise has a Kubernetes cluster deployed in the local data center. In order to meet the needs of rapid business development, the newly launched business is deployed in Huawei Cloud Container Engine CCE. To facilitate operation and maintenance supervision, the company plans to implement unified operation of the two clusters. Which of the following descriptions of the solution is correct?

Question75: Which of the following descriptions about EVS is correct? (Multiple choice)

Question76: Cloud log service TS, which provides collection, storage, and query functions for various cloud resource operation records, including detailed information about tenants' operations on cloud service resources such as creation, modification, and deletion. The default storage time is 7 days. For events that require long-term storage, you can configure the object storage OBS dump for the tracker, and store the events synchronously and long-term in the OBS bucket.

Question77: A user wants to use a message middleware that is ready to use, highly available, and supports the AMQP protocol. Which of the following is recommended?

Question78: Regarding the description of Huawei Cloud Application Service Grid ASM, which of the following statements is wrong?

Question79: Huawei Cloud host migration service SMS has the characteristics of smooth migration, efficient transmission, good compatibility, and high security. Regarding the compatibility of SMS, which of the following hosts does SMS support to migrate to Huawei Cloud? (Multiple choice)

Question80: A peering connection refers to a network connection between two VPCs. In the following descriptions about the peering connection between VPCs created under the same account and the peering connection between cross-accounts, which items are correct? (Multiple choice)

Question81: Database and application migration UGO's source library portrait function is trained with the key indicators of the database as the characteristics, abstracting the whole picture of the database information.
Which of the following key indicators are the objects of extraction? (Multiple choice)

Question82: Service Mesh is a specialized infrastructure layer that handles service communication. In the following description of Service Mesh, which items are correct? (Multiple choice)

Question83: The intranet connection method provided by GaussDB (for Redis) is applicable when the application is deployed on the elastic cloud server, and the elastic cloud server and the database instance are in the same region and in the same VPC.
The following describes how to connect to a GaussDB (for Redis) instance, which one is wrong?

Question84: Data Warehouse Service DWS is composed of many logical nodes with various system resources such as CPU, memory and storage that are not shared. It has a large-scale parallel processing engine. It is based on which of the following architectures

Question85: In the Serverless mode, the cloud platform is responsible for managing the startup, execution and usage of microservice functions, and users need to configure the computing resources, network resources, security resources, etc. required for scheduling function execution.

Question86: An Internet company is developing its own website. At the initial stage of website construction, the number of visits is very low. When communicating its needs, the company stated that it has no special requirements for CPU, memory, storage space and bandwidth, and has high requirements for security and reliability. The service only needs to be deployed on one or a small number of servers, with as little investment as possible. Try to control the later maintenance cost.
In general, which of the following cloud servers is recommended?

Question87: An individual user uses HUAWEI CLOUD to deploy a personal blogging platform to record and share his or her work experience, and wishes to store personal data separately.
Considering factors such as cost, which of the following services are recommended? (Multiple choice)

Question88: During the application release (such as application upgrade/update) period of an enterprise, the application will be temporarily unavailable due to application system upgrades and other reasons, and if a major problem is found after the new version is released, it needs to be repaired and re-released. Bring a lot of inconvenience to the business. The company hopes to carry out a small-scale push before the release, and then conduct a large-scale deployment after confirming that there is no abnormality in use, so as to reduce the impact on the business.
Among the following options, which publishing method is recommended?

Question89: Cloud database for RDS can support four database engines: MySQL, PostgreSQL, Oracle and Microsoft SQL Server.

Question90: After an Internet company uses the microservice framework to develop a project, it plans to release it online. It currently plans to use grayscale release. Which of the following description about grayscale release is wrong?

Question91: Which of the following descriptions about various network cloud services is wrong?

Question92: After using the elastic scaling service in the application system, a customer found that the service has certain limitations in actual use.
Which of the following descriptions about usage restrictions of auto scaling services is wrong?

Question93: Kata containers can provide a more secure operating environment than traditional containers. Which of the following descriptions about Kta are correct? (Multiple choice)

Question94: Which of the following descriptions about virtual private cloud VPC and peer-to-peer connections is wrong?

Question95: The disaster recovery of the database is very important to the production system of the enterprise. The enterprise is currently using the GaussDB (foropenGauss) distributed database as the production database. Now consider using DRS to realize the synchronization ability from the production database to the disaster recovery GaussDBf (oropenGauss) cluster, which of the following scenarios is suitable for this solution/

Question96: Which of the following descriptions about the comparison between elastic cloud servers, bare metal servers, and dedicated hosts is correct?

Question97: An enterprise is mainly engaged in the research and development of biological genes and pharmaceuticals. Due to the rapid expansion of business, the current computing resources are not enough to meet the demand, and the cycle from the procurement of new equipment to the launch of new equipment is long, it plans to migrate part of the intensive computing business to Huawei in the cloud, cloud container instance CCI is used to provide services and reduce costs.
In this scenario, what are the advantages of CCI for the key customer? (Multiple choice)

Question98: Kubernetes uses readiness probes to determine whether a container is ready to accept traffic. Which of the following descriptions about readiness probes is wrong?

Question99: Which of the following is correct about the functional characteristics of the Web Application Firewall TF? (Multiple choice)

Question100: The live migration function of the data replication service supports multiple network migration methods. Which of the following are the network migration methods supported by the live migration function? (Multiple choice)

Question101: The user installed the host monitoring agent on the elastic cloud server created by using the private image Windows Server 2012 R2 Datacenter 64bit, but in the management console, the plug-in status of the cloud service is still displayed as "not installed". The log shows that there is a large difference between the signature time and the server time. This problem can be solved by changing the NTP Server of the ECS to the address of the Huawei Cloud NTP server.

Question102: In the Kibrnetes cluster, the controller Pod is the smallest deployment unit that can be created, scheduled and managed.
The controller Pd refers to a single container application instance.
Generally, for security reasons, only one container instance runs in the same Pod.

Question103: Comparing relational databases and non-relational databases, which of the following descriptions are correct? (Multiple choice)

Question104: The data encryption service DE7 can effectively help users manage data security on HUAWEI CLOUD. There are currently three application scenarios as follows, and the following three scenarios can be satisfied in turn. Which is the most recommended product order?
1. Storage service encryption: integrate with OBS, EVS, VBS, IMS and other services to directly create encrypted storage services
2. Application encryption: by calling the API, the upper layer application APP encryption is completed
3. Blast-proof host login: When logging in to the host, bring your own private key for authentication and replace the password login method

Question105: ServiceStage, an application management and operation and maintenance platform, is a one-stop application management and operation and maintenance platform for enterprises. Which of the following descriptions about ServiceStage is wrong?

Question106: An overseas study consulting agency wants to migrate its website business to the cloud. Because the website business requires fewer writes and more reads, the read-only instance of cloud database for MySQL can be used to horizontally expand the read load capacity, it can be used with distributed database middleware DDM to achieve automatic () and read load balancing.

Question107: An e-commerce company plans to deploy its own e-commerce platform on the cloud, but the e-commerce business has high requirements for computing, network, storage and other configurations, and needs to support large-scale rapid exchange and processing of data, so the monitoring requirements are also Very high, please match the CES indicators of the cloud monitoring service with the monitored content based on the business monitoring requirements.

Question108: When there are many container instances running in Kubernetes, in order to facilitate management, Kubernetes provides a Label (label) mechanism to classify resources. Which of the following descriptions about Label are correct? (Multiple choice)

Question109: When the capacity of the existing cloud hard disk is insufficient, the user can expand the capacity of the cloud hard disk, that is, expand the capacity of the cloud hard disk. When there is remaining capacity, the user can also reduce the capacity of the cloud hard drive.

Question110: By configuring network ACL and security group policy, the safe use of servers in VPC can be guaranteed. The security group mainly protects the server, and the network ACL mainly protects the subnet.

Question111: Data Security Center Service DSC is a new generation of cloud-based data security platform, which provides basic data security capabilities such as data classification and data security risk identification, and user data needs to be saved in the designated object storage OBS before song sense data detection.

Question112: Which of the following descriptions about HUAWEI CLOUD container solutions are correct? (Multiple choice)

Question113: Cloud container engine service CCE provides highly scalable and high-performance enterprise-level Kubernetes clusters and supports running Docker containers. With the help of cloud container engine, users can easily deploy, manage, and expand containerized applications on the cloud.

Question114: Data replication service DRS can not only support data migration scenarios, but also support data subscription services similar to those provided by Kafka.

Question115: Cloud workloads are loads that run services on cloud resources, including virtual machines, elastic load balancing, containers, etc., which carry the core of enterprise business.

Question116: A customer's business system is deployed on Huawei Cloud. Due to business needs, it is necessary to open up networks between different departments in the same area. It is planned to realize this requirement by configuring peer-to-peer connections. However, when adding a peer-to-peer connection route, if the peer-to-peer connection route overlaps with the destination address of the cloud private line or VPN route, the route may become invalid at this time.

Question117: A scaling policy can trigger scaling activities, which is a way to adjust the number of instances or bandwidth in a scaling group. The scaling policy specifies the conditions that need to be met and the operations that need to be performed when the scaling activity is triggered. When the scaling conditions are met, the system will automatically trigger a scaling activity. Currently, the system supports three scaling policies: alarm policy, timing policy, and periodic policy.

Question118: An Internet company uses the object storage service OBS to store dynamic data. In order to meet audit requirements and maintain data read and write permissions, the operation and maintenance personnel decided to use the bucket read and write template to create a bucket policy.
Which of the following actions are not included in the reading and writing template by default? (Multiple choice)

Question119: His company has deployed a small system in the offline IDC computer room, and recently needs to migrate to the Huawei Cloud environment. When the business was deployed, resources were limited and the operation and maintenance personnel were familiar with the deployment architecture. The operation and maintenance personnel used 5 physical hosts to complete the service deployment. In order to improve the utilization rate of the host during business deployment, multiple modules are deployed in each physical host, and web and message middleware, applications and databases are deployed on the same host.
When migrating business to the cloud, which of the following methods is the best choice for operation and maintenance personnel?

Question120: Which of the following descriptions about Huawei Cloud Container Instance Service CCI is correct? (Multiple choice)

Question121: In order to improve the security of the system architecture, a company hopes to improve the load security by purchasing enterprise host security HSS services. Which of the following scenarios is not suitable for HSS services?

Question122: A bank customer wants to migrate its transaction business from a traditional commercial database to a cloud database.
In order to securely access traditional databases, the database migration tool UGO needs to rely on which of the following services as the target database connection agent?

Question123: In the same region, when a failure occurs in one availability zone, the ECS in another availability zone will not be affected.

Question124: The IoT edge service loT Edge is the application of edge computing in the Internet of Things industry. Which of the following descriptions about the characteristics of loT Edge are correct? (Multiple choice)

Question125: Compared with object storage service OBS and elastic file service SFS, block storage service EVS mainly uses?

Question126: Which of the following descriptions about scalability design in the five principles of enterprise application architecture design is wrong?

Question127: An e-commerce customer's business system is deployed on Huawei Cloud. In order to meet the needs of multiple cloud servers to share files, the operation and maintenance personnel plan to realize the sharing of business data by mounting the NFS file system.
Which of the following descriptions about the prerequisites for mounting NFS are correct? (Multiple choice)

Question128: HUAWEI CLOUD DRS provides various functions such as migration, synchronization, disaster recovery and subscription.
Which of the following descriptions about DRS service features or application scenarios are correct? (Multiple choice)

Question129: An e-commerce platform held a large-scale promotional event, and the number of visits to the business increased rapidly in a short period of time, which only lasted for a few hours.
Which of the following two service combinations can handle this scenario? (Multiple choice)

Question130: HUAWEI CLOUD Application Service Grid ASM is based on the open source Isti of HUAWEI CLOUD. The service grid platform launched is also an important part of the cloud-native C1oud Native ecosystem. Which of the following descriptions about ASM is correct? (Multiple choice)

Question131: In order to quickly build enterprise-level distributed applications on the cloud, HUAWEI CLOUD provides a variety of middleware services. Which of the following middleware services are suitable for database scenarios? (Multiple choice)

Question132: ROMA Service Core provides a collection of public capabilities for industry applications, which can quickly build application solutions and digital systems. Which of the following products belong to ROMA Service Core? (Multiple choice)

Question133: HUAWEI CLOUD provides public network NAT gateway service and private network NAT gateway service.
When using the public network NAT gateway, you need to pay attention to its constraints and limitations. In the following description of the precautions for the public network NAT gateway, which one is wrong?

Question134: A customer purchased the Huawei Cloud VPN service. After the configuration was completed, the VPN was always disconnected.
Which of the following items will cause the configured VPN connection to fail? (Multiple choice)

Question135: In the Docker environment, Cgroupi is usually responsible for encapsulating kernel resources, so that each container has an independent resource, so that different processes will not interfere with each other when using the same resource in their respective spaces.

Question136: The expansion directions in the AKF expansion cube and their corresponding concerns are: the X-axis expansion focuses on the division of responsibilities in the application, such as data types, and the division of transaction execution types, the Y-axis expansion focuses on vertical data and service cloning, that is, "Add machines to solve problems", Z-axis expansion focuses on service and data prioritization, such as sub-regional division.

Question137: In response to the various management needs of cloud operation and maintenance, HUAWEI CLOUD has launched a three-dimensional operation and maintenance solution to perform multi-dimensional monitoring of cloud services in real time. Through application and resource alarm association, log analysis, distributed call tracking and other technologies, the rapid diagnosis and repair of minute-level problems can be realized to ensure the long-term stable operation of applications.
Which of the following options does not belong to Huawei's three-dimensional operation and maintenance service?

Question138: Which of the following descriptions about cloud backup CBR is correct? (Multiple choice)

Question139: For users who use elastic cloud servers, install the Linux operating system. When configuring the network manually, the static address is the main one. When the system's network management tools are not needed, it is not recommended to enable the NetTorklanager service. The NetTorklanager service will conflict with the system's internal network services, resulting in network abnormalities.

Question140: In the configuration of Situational Awareness SA, the maximum host quota refers to the maximum number of authorized detection hosts. It is recommended that the maximum host quota not be lower than the total number of hosts under the current account when purchasing.

Question141: An e-commerce platform deploys its business on Huawei Cloud. Recently, some customers reported problems such as slow webpage refresh and long waiting time. The operation and maintenance personnel checked the monitoring and found that the IO value of the shared storage for storing static files was too high, so they decided to purchase CDN services to accelerate their website access. The CDN acceleration principle is that when users request resources, static content is obtained from the nearest edge node, and dynamic content is obtained through the acceleration technology manually selects the optimal route back to the source for acquisition.

Question142: The Huawei Cloud Application Performance Management APM service is a cloud service that monitors and manages cloud application performance and faults in real time. It can provide professional distributed application performance analysis capabilities. The Agent collects multiple indicators such as application data and basic resource data through intrusion. Help operation and maintenance personnel to quickly solve problems such as problem location and performance bottlenecks in applications under distributed architecture.

Question143: Compared with traditional self-built databases, which of the following descriptions about the advantages of cloud database RDS is wrong?

Question144: Application operation and maintenance management AOM is one of the important services of Huawei's three-dimensional operation and maintenance. Which of the following functions can be realized by AOM? (Multiple choice)

Question145: A software development enterprise hopes to build a complete DevOps process from code submission to application deployment with the help of cloud container instance service CCI, so as to improve the efficiency of enterprise application generation selection.
Which of the following descriptions of this scene is wrong?

Question146: Business migration to the cloud is to build an IT Infrastructure resource pool through "hardware resource pooling + fully integrated software + fully automated operation" to achieve resource sharing.

Question147: The cloud audit service CTS can be used in conjunction with the function workflow service FunctionGraph to jointly provide the key operation notification function, and the notification objects include natural persons and business interfaces. For example, customers can select a certain type of audit log as a trigger (such as file upload) in FunctionGraph to trigger a preset workflow (such as triggering a notification function) to simplify O&M or avoid problems and risks.

Question148: Which of the following inspection/analysis data sources is not supported by situational awareness?

Question149: The software development platform DevCloud can complete the complete process from requirement distribution to code submission and construction, testing and verification, deployment and operation and maintenance. In the following description of the DevCloud configuration operation process, which items are correct? (Multiple choice)

Question150: There are significant differences between peering connections and VPC endpoints in terms of security, communication clearance, and routing configuration.
Which of the following statements about the comparison between the two is wrong?

Question151: Which of the following descriptions about APM are correct? (Multiple choice)

Question152: Please match the relevant concepts about the microservice engine with their corresponding descriptions in the following options.

Question153: When the user uses the virtual private cloud service VPC, the user can retrieve the monitoring indicators and alarm information generated by the elastic public network IP and bandwidth through the management console or API interface provided by the cloud monitoring.

Question154: An enterprise currently uses the open source Spring Cloud for application development. Currently, it plans to release, deploy, monitor, and operate through Service Stage, Huawei's application management and operation and maintenance platform, and arranges engineer MR Wang to be responsible for the preliminary research and study. MR Wang passed After studying, I learned that there are multiple processes from application development to release. Among the following opinions about MR Wang, which one is wrong?

Question155: "Infrastructure to the cloud" refers to the transformation or migration of the original IT infrastructure of the enterprise to the cloud infrastructure,

Question156: After the website is connected to the Web Application Firewall TAF, the file upload request of the website will be subject to certain restrictions.

Question157: When operating HUAWEI CLOUD games, the game rankings can be stored in a document database, and information about users and players, such as user equipment and user points, can be stored in the cache data.

Question158: When users use HUAWEI CLOUD Log Service LTS, logs exceeding the storage time will be automatically deleted, but users can dump log data to OBS buckets for long-term storage as needed. How long does the LTS service store log data for users by default?

Question159: High availability on the cloud is one of the factors that need to be considered when designing the architecture. In the actual design process, multiple ECS instances are often run on the backend of the elastic load balancing EB to avoid () failures.

Question160: The smallest unit of Kubernetes orchestration is the container, which can be managed through Pod.

Question161: As more and more enterprises go to the cloud, security on the cloud has become an important topic that needs attention.
There are several major security requirements for enterprises to go to the cloud. Which of the following descriptions of security requirements on the cloud is wrong?

Question162: Through the Huawei application service grid ASM service, users can easily and quickly complete the entire process of grayscale publishing. Which of the following process descriptions about grayscale publishing is correct?
check mark
1: Add a grayscale version
2: The original version is offline
3: Confirm that the status of the grayscale version is normal
4: Check that the grayscale version is online normally (confirm the numbers of instances/number of available instances)
5. Pass the verification and use the grayscale release version
6: Configure the canary grayscale strategy

Question163: As a distributed large-scale resource scheduling system at the bottom of the cloud, Huawei Cloud Smart Cloud Brain includes the following core subsystems: data collection and docking subsystem, data storage and service subsystem, data analysis and modeling subsystem, and resource pool Operation Subsystem, Business Innovation Subsystem

Question164: Application operation and maintenance management service AOM is a three-dimensional operation and maintenance service centered on resource data and associated with logs, indicators, resources, alarms, events and other data. Which of the following descriptions about AOM services is wrong?

Question165: ServiceStage, an application management and operation and maintenance platform, supports the access and governance of mainstream microservice frameworks. It can flexibly select the most suitable microservice technology, quickly develop cloud applications, and adapt to complex and changing business needs.

Question166: Please match the following operation steps for creating a cloud container instance CCI in the correct order.

Question167: Serverless is a model of cloud computing based on Platform as a Service (Paas). Serverless computing provides a micro-architecture. End customers do not need to deploy, configure, or manage server services. The server services required for code operation are all provided by the cloud platform. Therefore, Serverless can be regarded as a single cloud service product.

Question168: Application operation and maintenance management service AOM is a one-stop three-dimensional operation and maintenance management platform for cloud applications. It monitors cloud applications and related cloud resources in real time, and analyzes the health status of applications. Which of the following descriptions of AOM services are correct? (Multiple choice)

Question169: On Huawei Cloud, images can be divided into public images, private images, shared images, ()

Question170: Prometheus is an open source system monitoring and alarm framework that provides a common data model and convenient data collection, storage and query interfaces, it is suitable for both machine-centric monitoring and highly dynamic service-oriented systems Structure, can cooperate with some excellent graphical tools (such as Grafana) to achieve a more friendly graphical display of data and alarms.

Question171: In order to meet the demands of business agility, an enterprise plans to migrate part of its application systems to the cloud, and is required to provide an overall solution design for the application to the cloud.
Regarding the principles of cloud architecture design, which of the following aspects should an IT architect consider? (Multiple choice)

Question172: Huawei Cloud Distributed Message Service RocketlQ version is fully compatible with the open source RabbitlQ, providing users with features such as out-of-the-box, rich message features, flexible routing, high availability, monitoring, and alarms.

Question173: Cloud disk EVS can provide tenants with diversified and persistent storage services. Which of the following descriptions about EvS is correct? (Multiple choice)

Question174: According to the performance of cloud hard disk, the disk can be divided into ordinary IO, high IO, general-purpose SSD and ultra-high IO.

Question175: In the model training session, you can create training jobs through ModelArts. After the training is complete, the system will generate a model and automatically download it locally.

Question176: Creating an encrypted image is divided into creating an encrypted image through an external image file and an encrypted elastic cloud server. When creating an encrypted image through an external image file, the user uses the external image file in the 0BS bucket to create a private image, and selects KMS encryption and key to complete image encryption when registering the image. When creating an encrypted image through an encrypted ECS, when the user selects an ECS to create a private image, if the system disk of the ECS is encrypted, the corresponding private image is also encrypted. The key used to encrypt the image is consistent with the key of the system disk.

Question177: Whether it is microservices or container technology, infrastructure is inseparable. In the architecture of Huawei Cloud Native 2.0, which of the following does not belong to cloud native infrastructure?

Question178: In the Huawei Cloud security protection framework, in addition to using security protection products to ensure the security and operation and maintenance security of the infrastructure in the architecture, which of the following factors need to be considered? (Multiple choice)

Question179: A large Internet company is planning to deploy a test environment on Huawei Cloud. The operation and maintenance director requires that when purchasing an elastic cloud server, in addition to the system disk, an additional data disk must be added, and the IOPS limit of the data disk must be higher than the upper limit. 2,220, the cloud disk with the lowest IOPS burst limit value higher than 6,500 and the lowest cost.
Which of the following descriptions about EVS types of cloud disks is most suitable? (Multiple choice)

Question180: Under the same specifications, which of the following types of ECS instances has the strongest computing performance?

Question181: The cloud-native database solution in the Huawei Cloud MapReduce service provides a leading architecture for separating storage and computing for unstructured data scenarios such as massive government images and videos. It uses cloud object storage OBS to replace MRS local storage as big data storage. Which description of the OBS service is wrong?

Question182: A user needs to collect logs from the elastic cloud server ECS through the cloud log service TS. Which of the following description of the LTS service is wrong?

Question183: During the experimental operation, engineer Xiao Li found that the files written after the container was running had disappeared after the container was restarted. After checking the running status of the container, no abnormal error was found.
Which of the following causes is the most likely?

Question184: Huawei Cloud Container Instance Service (CCI) can play its advantages in various scenarios. Among the scenarios described below, which scenarios are applicable to CCI? (Multiple choice)

Question185: An e-commerce company plans to launch a new product display business, in order to ensure that it can meet the ever-increasing access demand and the security of new service access.
Which of the following services can be used for pre-launch testing to provide a reference for post-launch business assurance? (Multiple choice)

Question186: When an attacker uses multiple compromised computers on the network as attack machines to launch a DDoS attack on a specific target, it is called a distributed denial-of-service attack (DDoS).
Which of the following options are common DDoS attacks? (Multiple choice)

Question187: Which of the following descriptions about the applicable scenarios of the Huawei container high-performance batch computing solution are correct? (Multiple choice)

Question188: Kubernetes, open a variety of container runtime interfaces to improve the scalability of the cluster, which of the following extension interfaces supported by Kubernetes is wrong?

Question189: The resource isolation of docker uses the () feature of Linux

Question190: Data encryption service is a comprehensive data encryption service on the cloud. Users can manage the stored data confidentially through the key encryption mechanism.
The data encryption service provides multiple service modules, which of the following options are correct? (Multiple choice)

Question191: Under the influence of technology-driven, business-driven and policy-driven, enterprises will gradually deploy their business on the cloud platform.

Question192: ROMA Connect supports integrated conversion between data with the same structure, but does not support integrated conversion between heterogeneous data.

Question193: A company newly deployed some applications (JAVA type) on Huawei Cloud. Recently, it was found that the external requests surged and the load frequently changed, which caused performance problems in the applications. Engineer MR Wang suggested that the company monitor the application through the application performance management APK of HUAWEI CLOUD to find the cause of the problem. However, other colleagues also put forward different viewpoints such as using application operation and maintenance to manage AOM.
The head of the operation and maintenance department needs to make a product selection. Which of the following items is correct in the following discussion about this issue? (Multiple choice)