H13-831 試験問題を無料オンラインアクセス

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)

• A.Create an OBS bucket to store service logs and database logs at the same time and configure regular matching service log cleaning policies for 3 days and database logs cleaning policies for 7 days.
• B.Create an OBS bucket, store service logs and database logs at the same time, create OBS lifecycle management rules, configure by prefix, match server log configuration, delete after 3 days, and delete matching database log after configuration days.
• C.Create two OBS buckets, one bucket to store service logs. The SDK provided by the OBS service traverses all objects in the bucket and deletes the logs 3 days ago; the other bucket stores the database logs. Traverse all objects in the bucket through the SDK provided by the OBS service and delete the logs 7 days ago.
• D.Create two 0BS buckets, one bucket to store server logs, and enable lifecycle management rules to match the entire bucket. Configuration days expired and deleted. The other bucket stores database logs and enables lifecycle management rules to match the entire bucket. Configuration days expired delete.

When a user designs a VPC public network access method on HUAWEI CLOUD, the web server must be accessible by the public network, and it must have a highly available architecture.
In order to achieve this requirement, which of the following configuration ways should be used? (Multiple choice)

• A.Put the web server on the back end of elb, and the domain name resolution IP points to elb
• B.Apply for a public IP for each web server, and the domain name resolution IP points to all public IPs
• C.Configure a NAT proxy in the VPC, point the default routes of all subnets to the NAT proxy, and configure a domain name for the public network P of the NAT proxy
• D.Configure the CDN to point the original address to the private IP address of the web server.

A certain company's business is often attacked by foreign countries, Hong Kong, Macau, Taiwan and China, and it is found through analysis.
1: Foreign, Hong Kong, Macao and Taiwan attack traffic accounted for 90%, and domestic attack traffic accounted for 10%.
2: Effective visit traffic from foreign countries, Hong Kong, Macao and Taiwan accounted for 5%, and domestic effective visit traffic accounted for 95%.
Therefore, the company's management decided that foreign, Hong Kong, Macao and Taiwan users will follow up to visit the company's business through the new domain name.
Which of the following options can quickly and effectively help this company block attacks or access to the original domain name by traffic from foreign countries, Hong Kong, Macao and Taiwan?

• A.Network ACL
• B.DDOS high defense
• C.Anti-DdoS
• D.VNGFW

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.

• A.FALSE
• B.TRUE

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)

• A.On the BCS instance where the centos 7.4 system is installed and the kernel version is higher than 3.6.0, the rompart disk partition command is used to expand the capacity, and then the disk partition is expanded through the esizefs disk partition command.
• B.On the ECS instance where the Windows system is installed, expand the D disk through the disk management " extended volume ".
• C.On the ecS instance where the Cento7.4 system is installed and the kernel version is higher than 3.6.0, the irane file is regenerated through the dreut -f command, and then the disk partition is expanded through the isze28 disk partition command.
• D.On the ECS instance where the Windows system is installed, expand the D drive through the disk management " new simple volume ".