Which of the following description of the HUAWEI CLOUD modular data center are correct? (Multiple choice)
- A . Green and energy saving. Improve PUE by more than 20%.
- B . Save operation and maintenance manpower. Improve operation and maintenance efficiency.
- C . The UPS power module has no redundancy. Integrated UPS integrated power distribution.
- D . Use PAD near-end management, real-time display.
Regarding the HUAWEI CLOUD cloud connection service, which of the following descriptions is correct?
- A . The cloud dedicated line has the same function as the cloud connection.
- B . It is not possible to achieve mutual visits between VPCs in the same Region.
- C . VPN can completely replace cloud connection.
- D . Able to achieve mutual visits between different Region VPCs.
When the back-end server group corresponding to HUAWEI CLOUD ELB contains multiple ECS instances, if the external processing capabilities of the Ecs instances are different, in order to make full use of the processing capabilities of the ECS instances. Which of the following options is the most reasonable?
- A . The purpose of ELB is to balance the load between ECs instances in the background. Unable to allocate more requests to a certain type of cS instance.
- B . Assign higher weights to ECS instances with strong processing capabilities. The higher the weight, the more access requests will be allocated.
- C . Distribute tasks according to the polling mode, and a strong cCS instance will be able to distribute more requests.
- D . Distribute tasks according to the mode of the minimum number of connections, and more capable ECS instances will be able to allocate more requests.
The user found that there are many IPs starting with 100 frequently accessing the back-end ECS instance of their ELB, and the security check did not report the problem. Which of the following is the possible reason?
- A . ELB system health check and availability monitoring
- B . Access by real users
- C . Being under cyber attack.
- D . ECS server failure
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?
- A . Configure VPC peering connection between business department and HR department.
- B . Configure VPC peering connections in the finance department and HR department. At the same time, configure VPC peering connections in the business department and HR department.
- C . Configure a VPC peering connection between the business department and the financial department.
- D . Because the accounts of the three departments are different, the VPC peering connection cannot be configured to get through the data.
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?
- A . Configure VPC peering connection between business department and HR department.
- B . Configure VPC peering connections in the finance department and HR department. At the same time, configure VPC peering connections in the business department and HR department.
- C . Configure a VPC peering connection between the business department and the financial department.
- D . Because the accounts of the three departments are different, the VPC peering connection cannot be configured to get through the data.
201.31.6 was blocked by the subnet ACL due to the security of the network platform
A company has 2 VPCs in the same region of HUAWEI CLOUD. The network segment of the first VPC is 10. 10.0.0/16. One of the subnets is 10. 10. 1.0/24. The network segment of the two VFCs is 10.40.0.0/16. One of the subnets is 10.40.1.0/24. How does the company administrator need to configure the two subnets to communicate?
- A . Create 2 EIPs and bind one to each ecs instance of the VPC.
- B . Create an ECS instance in each subnet, and then bind the elastic IP to the two instances respectively. Then establish a VN connection between the two instances.
- C . Create 2 VPN gateways. One for each VPC
- D . Create a peer-to-peer connection between two VPCs.
When a user uses the HUAWEI CLOUD ELB service to distribute load to multiple ECS instances, which of the following methods can be used to obtain the real IP address of the requesting user? (Multiple choice)
- A . Layer 4 services can be obtained by installing the TOA plug-in on the back-end server to obtain the visitor’s real IP.
- B . Layer 4 services can be obtained directly without additional configuration.
- C . Layer 7 services can be obtained directly without additional configuration.
- D . The 7th layer service can obtain the visitor’s real IP through Http Header: X-Forwarded For.
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?
- A . The health check cannot be closed on the fourth and seventh floors.
- B . The health check can be turned off for the seventh layer service, but the health check cannot be turned off for the fourth layer service.
- C . Both the fourth and seventh floors can close the health check.
- D . The health check can be turned off for the fourth layer service, but the health check cannot be turned off for the seventh layer service.
Which of the following statements about Pods in a HUAWEI CLOUD CCE cluster is wrong?
- A . Pod corresponds to a container instance.
- B . Pod is the smallest deployment unit that Kubernetes can create, schedule, and manage.
- C . Pod is scheduled to the Node node and remains on this node until it is destroyed.
- D . Containers in the same Pod share the same network namespace, IP address and port space and volume.
Which of the following types of clusters does Huawei Cloud CCE Cloud Container Engine support? (Multiple choice)
- A . GPU container cluster
- B . Windows container cluster
- C . Virtual machine cluster
- D . Bare Metal Machine
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.
- A . TRUE
- B . FALSE
The ECS elastic cloud server automatically created by the HUAWEI CLOUD AS Elastic Scaling Service will not be scheduled to the dedicated host.
- A . TRUE
- B . FALSE
When the vCPU allocated by HUAWEI CLOUD ECS spans different physical CPU, the performance will fluctuate. The host cluster generally uses affinity scheduling to avoid this situation. Which of the following technologies is used by the HUAWEI CLOUD underlying platform to achieve CPU affinity scheduling?
- A . Anti-Affine
- B . NUNA
- C . Host Aeregator
- D . PCI Passthrough
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?
- A . NVLink bandwidth
- B . Single chip precision number
- C . Memory bandwidth
- D . Resolution
After the Pod in the HUAWEI CLOUD CCE cluster is scheduled to a Node, it will remain on the Node until it is terminated or deleted.
- A . TRUE
- B . FALSE
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)
- A . by calling the OBS ‘s SDK will be a year of object storage types into low-access memory.
- B . by calling the OBS ‘s SDK will be a year of object storage type into archival storage.
- C . Automatically convert objects from one year ago to low-frequency access storage through the lifecycle management configuration of the 0BS service.
- D . Automatically convert objects from one year ago to archive storage through the lifecycle management configuration of the 0BS service.
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 . Exclusive distributed storage service DSS
- B . Cloud hard disk EVS
- C . Resilient File Service SFS
- D . Storage disaster recovery service SDRS
A company uses the RDS for mysql service of HUAWEI CLOUD. As the amount of data increases, the disk of the RDS instance is found to be full. Which of the following methods can be used to solve it? (Multiple choice)
- A . Change the storage type to super high 10, and then expand the disk capacity.
- B . Expand the disk storage space size.
- C . You can delete useless historical table data to free up space.
- D . If the binlog log file occupies too much, you can contact a technician to clear the local binlog log to free up disk space.
An advertising design company has a large number of design documents stored on HUAWEI CLOUD 0BS, and the company’s ECS instance (in the same area) also needs to access the documents in OBS.
As the public network access is affected by the network quality, it is decided to use the intranet domain name to access 0BS. Which of the following methods can tenants use to access the files in the 0BS bucket via the intranet domain name?
- A . ECS instances directly access the bucket resources through the internal domain name of the 0Bs VPC.
- B . The ECS instance directly accesses the bucket resources by configuring the internal DNS domain name of 0BS.
- C . The ECS instance accesses the 0BS bucket resources nearby through the accelerated method of CDN.
- D . ECS instances directly access the bucket resources through the 0Bs regional intranet IP.