H13-811 Online Practice Questions and Answers
Which of the following statements about EVS and snapshots is false?
A. You can roll back a snapshot to the source EVS disk when the disk is in the Available state
B. A snapshot can be rolled back to any designated EVS disk
C. If data on an EVS disk has errors or is corrupted, you can roll back the data snapshot to the source disk to restore the data
D. Creating a snapshot will fail if the EVS disk is in the Attaching state or Expanding state
Which of the following is not a function of WAF?
A. Defense against brute force attacks on ECSs
B. Website anti-crawler
C. Data leakage prevention
D. Web tamper protection
Huawei provides developers with open capabilities, which will help developers integrate the open capabilities of Huawei products with their upper-layer applications and build differentiated innovative solutions.
A. TRUE
B. FALSE
Which of the following are the functions of relational database services?
A. Create a database cluster
B. Restore the backup to the specified time node
C. Add a read-only copy
D. Expansion Disk
The public cloud provides many types of elastic cloud servers, including but not limited to which ones?
A. GPU accelerated
B. Disk enhanced
C. General computing
D. Bare metal server type
Users can use () to create an encrypted file system.
A. Key provided by the key management service
B. Own key material
C. Password
D. Password
Which of the following Huawei Cloud database services support three-copy redundancy at the storage layer?
A. PostgreSQL
B. MongoDB
C. MySQL
D. SQL Server
When two elastic cloud servers in the same VPC cannot communicate with each other or packet loss occurs, which of the following factors need to be checked.
A. Check the network ACL
B. Check the unreachable port
C. Check the internal network card information of the elastic cloud server
D. Check the security group rules