EMT Practice Test

1. Question Content...

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Question1: When the user uses the Huawei Cloud Log Service LTS, logs that exceed the storage time will be automatically deleted, but the user can dump the log data to the OBS bucket for long-term storage as needed.
How long does the LTS service store log data for users by default?

Question2: If you use the Huawei cloud ELB instance, and created 7-layer protocol listeners based on htpt https, which field of head did back-end server go through to get real IP address of visitors?

Question3: The user's website is deployed on Huawei Cloud, and the public network ELB is used as a load balancer. Multiple ECS instances in the ELB back-end server group are configured with the same weight, but in fact the ECS instance loads are different. Which of the following is the most possible reason?

Question4: Huawei Cloud DCS distributed storage report service provides support for RedisfOMemcached database version. Which of the following descriptions about the comparison of Reds and Memcached is wrong?

Question5: User use Huawei cloud DRS services, which can quickly migrate local database or RDS instance to another RDS instance, which of the following is not the migration patterns that DRS supported?

Question6: OBS dump logs must be based on log groups.

Question7: A company deployed its own e-commerce system using HUAWEI CLOUD services, and stored daily transaction records in HUAWEI CLOUD 0BS, accumulating day by day, taking up a lot of storage space, and more than a year of transactions Records are hardly used any further. Which of the following ways can tenants change the storage type to minimize costs? (Multiple choice)

Question8: Which of the following features can be provided by HUAWEI CLOUD Application Operation and Maintenance Management AOM? (Multiple choice)

Question9: For services with high data consistency requirements, when performing database port switching, which of the following switching strategies should be selected?

Question10: HUAWEI CLOUD AOM application operation and maintenance management can monitor the key indicators of the application to reflect the application status. Which of the following description about application monitoring indicators are correct? (Multiple choice)

Question11: Which of the following statements about the matching relationship between the evaluation method and implementation method of data secure transmission are correct? (Multiple choice)

Question12: HUAWEI CLOUD ELB is a service that distributes traffic to multiple ECS instances and supports Layer 4 and Layer 7 forwarding protocols. When the seven-layer service is loaded, which of the following methods is mainly used to distribute traffic to ECS instances? (Multiple choice)

Question13: To construct the project on DevCloud directly on ServiceStage, which of the following methods should be used for construction?

Question14: Deploy the Guestbook application on Servicestage. Guestbook is composed of three container application components: Frontend is the front store component, and the code logic is implemented in Frontend to achieve the following two goals: 1 Reduce the communication between Frontend and redis-maste Possible network loss: 2 can make the primary and backup storage scattered on different nodes, reducing the impact of downtime. Which of the following statement are correct? (Multiple choice)

Question15: If the database instance of a Huawei Cloud tenant is under an unknown attack, which of the following methods is recommended for the tenant administrator to complete the creation of the database firewall policy?

Question16: Huawei Cloud ELB can distribute user requests to multiple ECS instances according to different strategies. Which of the following descriptions about the "weighted round-robin mode" forwarding strategy is correct?

Question17: After a user changes the step array of a Huawei Cloud RDS read-only instance, other instances in the cluster will also synchronize this change.

Question18: D. LI is called data mining machine age lake, which is the interface through which the components are compatible, so as to provide a unified multi-state data on the cloud-analytical skills?

Question19: A user to use Huawei's cloud ECS services, and for each ECS instance is assigned a data disk, due to the increase in business volume. Data emergency disk capacity, disk data capacity is needed now, which of the following operations are correct? (Multiple choice)

Question20: The user has applied for separate Huawei Cloud accounts for the two departments. VPC1 (CIDR. 192. 168. 0.0/16) and 2 subnets: SubnetA (192. 168. 1. 0/) are created in account A. 24), SubnetB (192. 168. 10. 0/24), account B created VPC2 (CIDR: 192.168.0.0/16) and 2 subnets: SubnetX (192.168.10.0/24), SubnetY (192.168 .100.0/24):
Due to business needs. SubnetA and SubnetX need network interoperability.
The user understands that Huawei Cloud provides peer-to-peer connection capabilities and configures it according to the known manual, but it has not been able to achieve the goal. Which of the following is the most likely reason?

Question21: A company deployed a website service on Huawei Cloud. Recently, customer service reported that customers in a western city in China are slow to access the website. In order to speed up website access, the CON service of Huawei Cloud needs to be, and the website contains more dynamics. Contents, which of the following configuration methods is recommended for tenants to complete the configuration of the N acceleration service of this website?

Question22: Distributed computing framework MapReduce is used for parallel computing of large-scale data sets. Which scenarios are mainly suitable for? (Multiple choice)

Question23: When the user uses the Huawei Cloud AOM service. Which of the following Agent plug-ins must be installed?

Question24: When customers use HUAWEI CLOUD SKS for host migration, the source end host is the key login, and the target end is the host created using the password login method. After the migration is completed, you can use the password to log in to the target host.

Question25: HUAWEI CLOUD CES service provides a one-click alarm function. Which of the following descriptions of the one-click alarm strategy and corresponding actions are correct? (Multiple choice)

Question26: When users use HUAWEI CLOUD AOM to manage the operation and maintenance of the microservice system. Need to establish the mapping between AOM business model and actual resources. Which of the following description about the mapping relationship are correct? (Multiple choice)

Question27: Which of the following situations is not suitable for using the HUAWEI CLOUD SMS host migration service? (Multiple choice)

Question28: What is the default scheduling mode of Spark Jab?

Question29: The role of the service gateway in the microservice framework is to distribute traffic to different instances of the same service according to the defined strategy, so that the service caller can connect to the appropriate service node.

Question30: Which of the following fields are used for Huawei Cloud BMS bare metal servers? (Multiple choice)

Question31: Which options are correct in the following description of PostgreSQL database? (Multiple choice)

Question32: When HUAWEI CLOUD Application Operation and Maintenance Management AOM manages logs, it can perform keyword filtering after enabling real-time viewing.

Question33: If tenants have high requirements for data key storage, even if the operation and maintenance personnel of HUAWEI CLOUD cannot obtain the relevant keys directly, which of the following encryption schemes is recommended for tenants?

Question34: When users use HUAWEI CLOUD SMS service to migrate a host with 500GB of data, with a source bandwidth of 20MB, how long does it theoretically take to complete the migration?

Question35: Which of the following description about HUAWEI CLOUD FunctionGraph is correct?

Question36: Which of the following descriptions about the comparison of OLTP and OLAP features is wrong?

Question37: When the customer uses Huawei Cloud SMS to migrate the host, the source host is the key login, and the target is the host created using the password login method. After the migration is completed, you can use the password to log in to the target host.

Question38: Huawei Cloud ELB provides traffic distribution services for multiple ECS instances. It has high availability,low cost,Safe and reliable features.
Which of the following descriptions of Huawei Cloud ELB features are correct? (Multiple choice)

Question39: HUAWEI CLOUD tenant administrators need to authorize their sub-accounts to only change the permissions of ECS instance specifications. Which of the following types of IAM account policies is recommended?

Question40: When the user uses the Huawei Cloud SMS host migration service to migrate the source server.
Which of the following file systems is not supported?

Question41: When a user configures an ECS host in a HUAWEI CLOUD VPC subnet and wants hosts in other subnets under the same VPC to use it as a NAT proxy, but finds that this configuration has not successfully met the requirements, which of the following statement is correct?

Question42: What are the commonly used data encryption methods for users? (Multiple choice)

Question43: HUAWEI CLOUD Application Operations Management (AOM) is centered on cloud applications and provides a one-stop three-dimensional operation and maintenance platform for enterprise applications.

Question44: An enterprise plans to configure a management network in a VPC, and at the same time deploy web services in this VPC, so Internet traffic and background management traffic must be allowed. Enterprise network management interface can only hope to receive the specified IP address ssh login, and web services IP can handle any Internet IP address visit.
Which of the following options can be used to achieve this requirement in a host?

Question45: An enterprise has three different departments, each with its own HUAWEI CLOUD account. The HR department deployed a file sharing website to share the data of all on-the-job employees. The business department uploads the employee's attendance data to their VPC database. The finance department needs to access the HR department's attendance data to calculate the employee's salary. Which of the following configurations can be used by the administrator of the company to meet the needs of the three departments?

Question46: Which of the following components must be relied upon by the HBase service? (Multiple choice)

Question47: When an e-commerce platform uses the ServiceStage gray release function, there is no need to stop the upgrade, and within a period of time, the new and old versions will provide services online at the same time.

Question48: After users use Huawei Cloud CCI cloud container instance to help Dev0ps land, what advantages will it bring to users?

Question49: Which of the following is not the reason caused MySQL database replication latency standby?

Question50: In order to prevent tenants from suffering losses due to virtual machine escape attacks, which type of cloud service does Huawei recommend that tenants purchase?

Question51: After the user migrates the host using the HUAWEI CLOUD SMS service, which of the following will change between the destination end and the source end?

Question52: Which of the following options are not part of the Huawei Cloud online migration service? (Multiple choices)

Question53: Which of the following functions does Huawei Cloud DRS data replication service provide? (Multiple choice)

Question54: The health check mechanism of HUAWEI CLOUD ELB can identify whether there are unavailable ECS instances in the back-end server group. If there are, these abnormal ECS instances will not be assigned tasks until these ECS instances return to normal. However, in some special application scenarios, the health check needs to be turned off. Which of the following descriptions about turning off the health check is correct?

Question55: HUAWEI CLOUD FunctionGraph is a serverless computing service.

Question56: Which of the following description about the Service object model on Kubernetes is wrong?

Question57: Which of the following descriptions about the backup and recovery of Huawei Cloud RDS cloud database are correct? (Multiple choice)

Question58: Both Spark and MapReduce are the most basic distributed computing frameworks in Hadoop. Regarding the description of the common points between the two, which of the following is correct?

Question59: In the following description of the performance indicators of Huawei Cloud heterogeneous computing, which one is not an indicator that GPU heterogeneous computing needs to pay attention to?

Question60: Because stand-alone RDS has certain limitations in processing large quantities of data, a company decided to use Huawei Cloud DDM distributed middleware + RDS instance to solve the problems of limited stand-alone RDS expansion capabilities and slow database response. Which of the following description about the advantages of DDM distributed middleware + RDS instance over stand-alone RDS are correct? (Multiple choice)

Question61: Regarding the description of the relationship between HUAWEI CLOUD MRS service and other HUAWEI CLOUD services, which of the following options are correct? (Multiple choice)

Question62: An Internet company plans to add a cloud storage function to its products for users to save personal files. Which cloud service is recommended for this company?

Question63: The user is going to deploy a website application using Huawei Cloud Container Service. After purchasing the Huawei Cloud CCE cluster, different deployment methods were adopted for the various components of the website.
Which of the following is unreasonable?

Question64: If the tenant deletes the HUAWEI CLOUD 0BS bucket, all files and folders in the bucket must be emptied first.

Question65: When users use HUAWEI CLOUD OMS to migrate object storage, if the destination has a migration object with the same name as the source, which of the following scenarios will overwrite data? (Multiple choice)

Question66: What feature of Huawei Cloud RDS for SQL Server currently does not have?

Question67: Huawei Cloud GPU-accelerated ECS elastic cloud server uses NVLink technology to achieve optimal multi-card interconnection.

Question68: The ECS elastic cloud server automatically created by the HUAWEI CLOUD AS Elastic Scaling Service will not be scheduled to the dedicated host.

Question69: Huawei Cloud ServiceStage is a one-stop microservice cloud application platform. Through this platform, the efficiency of DevOps can be greatly improved, allowing enterprises to focus on business innovation and deployment. At present, which of the following operating environments does ServiceStage support? (Multiple choice)

Question70: Which of the following fields is most suitable for using Huawei Cloud CCE cloud container engine service? (Multiple choice)

Question71: Dedicated Distributed Storage Service (DSS) provides customers with exclusive physical storage resources through multiple technologies such as data redundancy and cache acceleration.
It provide high availability and durability. Which of the following are correct about the advantages of dedicated distributed storage services? (Multiple choice)

Question72: Which of the following options are not part of the HUAWEI CLOUD online migration service? (Multiple choice)

Question73: Which of the following are typical application scenarios for PostgreSQL data? (Multiple choice)

Question74: Which of the following descriptions about Huawei Cloud DDS cluster architecture (Sharding) is wrong?

Question75: What dependency packages need to be introduced for the Edge service?

Question76: When users use HUAWEI CLOUD monitoring service CES to monitor basic resources, they need to install CES Aent to use the full monitoring function.

Question77: If the bandwidth of the WAF purchased by the tenant is less than the actual business traffic. It may cause the tenant's business to be unavailable, stuck, or delayed for a certain period of time.

Question78: When the operation and maintenance administrator use APM for transaction operations, which of the following is not a transaction operation supported by APM?

Question79: Huawei Cloud CCI is based on the container instance service provided by the Docker container engine.

Question80: Which of the following descriptions about the source and destination networks of the DRS migration database are correct? (Multiple choice)

Question81: A company has deployed a public-facing forum through Huawei Cloud. In order to avoid Cc attacks on registered accounts, the company puts forward the following two requirements to forum administrators.
Requirement 1: Login protection, only 3 attempts to log in within five minutes are allowed, more than 3 times will prevent them from logging in again within 1 hour.
Requirement 2: Web search, a single user searches the page no more than 30 times in one minute, if it exceeds 30, the verification code will be verified.
In response to the above requirements, which features of DDOS can be used by tenants to complete the above requirements?

Question82: Monitoring data aggregation refers to the process in which cloud monitoring calculates the maximum, minimum, average, sum, or variance value of the original sampling index mining in a fixed period and persists the results. How long is this calculation period?

Question83: Huawei Cloud's cloud leased line service can provide BGP connection. Which of the following descriptions about the related configuration and features of the cloud leased line is wrong?

Question84: Huawei Cloud Elastic File Service SFS provides on-demand scalable high-performance secondary file storage (NAS), which can be used for multiple elastic cloud-level servers (ECS), encryption devices (CCE&CC), and bare metal servers on the cloud. which of the following are correct? (Multiple choice)

Question85: The operation and maintenance personnel of an enterprise reported that they often suffer from irregular Web attacks recently. The enterprise administrator hopes that after the website is attacked, the system will automatically trigger the pre-defined script or protection command to realize the automatic protection of the website.
Which of the following types of secure cloud services can meet the above demands of enterprises?

Question86: A company deploys its own platform service on a Huawei Cloud ECS instance, and regularly collects related logs of each service and database through the cloud log service LTS and stores them in OBS. The service log and database log have different naming methods. The storage period of the service log is 3 days. The database log storage period is one week.
Which of the following solutions to delete expired logs are feasible? (Multiple choice)

Question87: Flume is a distributed and highly available massive log aggregation system. Which of the following descriptions about Fume components is wrong?

Question88: HUAWEI CLOUD CCE cluster does not support automatic expansion and contraction of the master node of the cluster, but only supports automatic expansion and contraction of the Node of the cluster.

Question89: The following describes the affairs in APM of HUAWEI CLOUD Application Performance Management. Which options are correct? (Multiple choice)

Question90: When users use the Huawei Cloud RDS backup migration function to migrate Redis data, which of the following Redis backup file extensions are supported? (Multiple choice)

Question91: Using HUAWEI CLOUD's dedicated cloud line, users can realize the interconnection and private network communication between the private network and the VPC. Which of the following scenarios can be interconnected through the cloud dedicated line? (Multiple choice)

Question92: Huawei Cloud will sell available empty valve computing resources at a certain discount, which is called auction instance.
Which of the following descriptions about Huawei Cloud's pricing examples is wrong?

Question93: When the consumer micro service developed by CSEJavaSDK is used to call the provider micro service, the consumer will first send the REST request to the service center. It is then forwarded to the provider by the service center.