[Nov 06, 2022] New H13-831 Exam Dumps with High Passing Rate
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NEW QUESTION 138
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?
- A. Etag
- B. Authorization public
- C. X-Forwarded-For
- D. Connection
Answer: C
NEW QUESTION 139
Which of the following scenarios does not reflect the characteristics of cloud native applications?
- A. The version of an e-commerce platform is frequently released and updated. In order to solve the problem of customer loss during system upgrade and maintenance, the container gray-scale release method is used to achieve smooth version switching.
- B. An enterprise needs to transform offline systems into microservices and migrate to the cloud. In order to shorten the development cycle, use DevOps to develop and transform services.
- C. A small website uses virtual machines to deploy services. In order to cope with the problem of overload caused by the sudden increase in traffic during peak hours, elastic scaling is used to automatically expand the virtual machine resources.
- D. A game platform uses container technology to obtain the ability to quickly release service resources during peak business periods and solves the problem of low resource utilization under peak loads.
Answer: C
NEW QUESTION 140
A company has developed a microservice using AVA-Chassis and PHP offline, and now it needs to be connected to the ServiceStage platform. Which application access method is recommended?
- A. Spring Cloud
- B. Service Comb
- C. Mobile application
- D. Web application
Answer: B
NEW QUESTION 141
Which of the following are typical application scenarios for PostgreSQL data? (Multiple choice)
- A. Research project information system
- B. Financial insurance system
- C. Geographical location application system
- D. Internet e-commerce panic buying system.
Answer: A,B,C,D
NEW QUESTION 142
A customer uses the ECS service of HUAWEI CLOUD. In order to share files on the ECS instance with other ECS instances more conveniently, which type of storage service is recommended for tenants?
- A. Storage disaster recovery service SDRS
- B. Resilient File Service SFS
- C. Cloud hard disk EVS
- D. Exclusive distributed storage service DSS
Answer: B
NEW QUESTION 143
In the big data offline processing scheme architecture, the batch processing engine is used to achieve high-performance offline batch processing job operation.
Which of the following HUAWEI CLOUD big data offline batch processing engines can be used to process SQL jobs?
- A. Spark SQL
- B. Hive
- C. MapReduce
- D. Spark
Answer: A
NEW QUESTION 144
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)
- A. Under different accounts, between two VPCs in the same Region.
- B. Under the same account, between two VPCs in the different Regions.
- C. Under the same account, between two VPCs in the same Region.
- D. Under different accounts, between two VPCs in the different Regions.
Answer: B,D
NEW QUESTION 145
Which of the following are typical application scenarios of the ServiceStage microservice solution?
- A. Continuous integration and continuous delivery
- B. Gray release
- C. Microservice development and management
- D. Rapid development and deployment of web applications
Answer: A,B,C,D
NEW QUESTION 146
Which of the following scenarios does the Huawei Cloud DRS service not support online migration?
- A. Migrate the sharded cluster MongoDB database to the DDS community edition cluster.
- B. Migrate the HUAWEI CLOUD DDS instance to the user's local MongoDB database.
- C. Use VPN network to migrate SQL Server to RDS for MySQL on HUAWEI CLOUD
- D. Migrate from the user's local Oracle database to RDS for PostgreSQL.
Answer: C
NEW QUESTION 147
Which of the following description is the governance of Service Mesh?
- A. Service governance capabilities are unified and realized by ESB.
- B. The service governance capability is directly embedded in the business code and implemented directly by the code logic.
- C. By SDK way, the abstract service governance capabilities to the SDK of the system to achieve.
- D. Use the Sidecar model to deploy the components of the application to a separate process or container.
Answer: D
NEW QUESTION 148
Loader not only supports importing data from outside the MRS cluster, but also supports exporting data from the MRS cluster to external systems.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 149
The status of the workload in the Huawei Cloud CE cluster determines whether appropriate applications can be deployed. Which of the following descriptions is correct?
- A. Daemon Set+oume can be used to provide stateful containers.
- B. Stateless containers are not recommended for deploying relational pendulum library applications.
- C. CCE Cloud Container Engine provides stateful container instances by default.
- D. Stateful containers cannot be used to deploy Reds applications.
Answer: B
NEW QUESTION 150
How to avoid single points of problems caused by the failure of the ELB service itself when users design the network architecture on HUAWEI CLOUD
- A. Create multiple instances of B in different regions and provide services to external parties through DNS polling to improve cross-regional availability.
- B. Create multiple ELEs in the same region (Region) to provide external services through DNS polling, thereby improving local availability.
- C. It is impossible to avoid a single point problem caused by the failure of the ELB service itself.
- D. The ECS at the back end of the ELB instance can be machines in different availability zones, thereby improving local availability.
Answer: A
NEW QUESTION 151
The tenant has built a web site based on HUAWEI CLOUD. It has been observed that the maximum service bandwidth of this site is 120Mbit/s. It is now necessary to implement security reinforcement for the site, mainly to achieve web attack protection, sensitive information filtering, Web page tamper-proof and CC attack protection.
In response to the above security requirements, what type of cloud services and corresponding versions does Huawei Cloud recommend that tenants purchase?
- A. Enterprise Host Security Enterprise Edition.
- B. Web Application Firewall - Enterprise Edition.
- C. Web Application Firewall Professional Edition.
- D. Enterprise host security - webpage tamper-proof version.
Answer: B
NEW QUESTION 152
Which of the following descriptions about Huawei Cloud DDS cluster architecture (Sharding) is wrong?
- A. config is the configuration node, each cluster fixed one config, default specifications for the 2-core / 4G / 20GB of disk space, and the size can be changed.
- B. shard is fragmented assembly, the user can choose to create 2 to 12 shard nodes, may be followed according to the elastic expansion demand, adjust the size.
- C. mongos routing node, the user can choose to create 2-12 months mongos nodes, then the node may add or delete according to the demand, adjust the size.
- D. HUAWEI CLOUD DDS cluster is divided into community version and community enhanced version, and the community enhanced version cluster adopts a storage and computing separation architecture.
Answer: A
NEW QUESTION 153
When users use HUAWEI CLOUD DRS to migrate MySQL database to RDS for MySQL, which of the following network types can be chose? (Multiple choice)
- A. Dedicated line network
- B. VPN
- C. Public network
- D. ELB
Answer: A,B,C
NEW QUESTION 154
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?
- A. The aue value of a single stored object in Memcached cannot exceed 1M. For scenarios exceeding 1M, Redis is recommended.
- B. Memcached is suitable for caching with a simple data structure model, and Redis is suitable for caching farms with complex data structures.
- C. Memcached is single-core and single-threaded, Redis supports multi-threading, and performance can be improved by increasing the amount of CPU.
- D. Memcached does not support persistence of teaching data, Redis can support scenarios that require persistent storage of data.
Answer: C
NEW QUESTION 155
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?
- A. Turn off the source/destination IP address check switch of the ECS host.
- B. Need to bind the elastic public IP to all ECS hosts.
- C. Add a new network interface bound to the subnet to the NAT proxy host.
- D. Add a network interface bound to the NAT proxy subnet to other hosts.
Answer: C
NEW QUESTION 156
When users implement the migration project, which of the following measures can reduce the risk of data inconsistency? (Multiple choice)
- A. After the migration is completed, check whether the destination and source data are consistent.
- B. Stop source-end business writing before migration to ensure that the migrated data is the full amount of data.
- C. Full synchronization with multiple incremental synchronizations, the last synchronization needs to stop the source-side business writing.
- D. Before the migration, the customer should make a backup of the source data.
Answer: A,B,C,D
NEW QUESTION 157
Which of the following statements about the matching relationship between the evaluation method and implementation method of data secure transmission are correct? (Multiple choice)
- A. Data has not been modified - summary of information.
- B. Reliable data source - information summary
- C. Trusted data source - digital signature
- D. Data has not been modified - data is encrypted.
Answer: A,C
NEW QUESTION 158
What is the default scheduling mode of Spark Jab?
- A. FIF0
- B. FAIR
- C. Specify at runtime
- D. LIFO
Answer: A
NEW QUESTION 159
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)
- A. No need to purchase expensive load balancing equipment at one time.
- B. Support for disaster recovery in the same city
- C. Support elastic expansion based on application load.
- D. Provide free anti-DDoS attack capability above 20G.
Answer: A,B,C
NEW QUESTION 160
Which of the following high-availability architectures does Huawei Cloud RDS for SQL Server database instance use?
- A. Mirror
- B. Transactional replication
- C. Availability group
- D. Log Shipping
Answer: A
NEW QUESTION 161
Among the configuration item sources of the following microservices, which of the following has the highest priority?
The configuration of CSE is hierarchical, according to the order of priority, it is:
yaml configuration file<environment variable<System Property<configuration center
- A. System Property
- B. Environmental variable
- C. microservice.yaml file
- D. Configuration Center
Answer: C
NEW QUESTION 162
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