質問 1：
When backing up data through the cloud backup service CBR, it usually has a significant impact on the performance of the cloud hard disk, causing a bottleneck in the hard disk performance and affecting the normal operation of the business. Therefore, in order to ensure the reliability of business data as much as possible, it is recommended to perform backup in the early morning when there is no data written to the disk.
A. False
B. True
正解：A
質問 2：
Which of the following is not a main function of Huawei Cloud Database Security Service?
A. Database Firewall
B. Anti-crawler
C. Database Audit
D. Discovery and desensitization of sensitive data
正解：B
質問 3：
In Huawei Cloud, a NAT gateway can add both SNAT and DNAT rules at the same time, and the two rules can share one elastic public IP.
A. False
B. True
正解：B
質問 4：
Which of the following applications are suitable for running on general-purpose computing ECS instances? (Multiple choice)
A. Machine Learning
B. Large in-memory database
C. Lightweight database
D. Enterprise Portal
正解：C,D
質問 5：
Huawei Cloud can provide a variety of network services to meet different scenario requirements.
When the user's local data center needs to establish a high-speed, low-latency, stable and secure dedicated connection channel with Huawei Cloud VPC, which of the following cloud services are not suitable? (Multiple choice)
A. Cloud Link CC
B. Elastic Load Balancing (ELB)
C. Enterprise Routing ER
D. Cloud dedicated line DC
正解：B,C
質問 6：
Public clouds provide many types of elastic cloud servers, including but not limited to which ones? (Multiple choice)
A. Bare metal server
B. General computing
C. Disk Enhanced
D. GPU Acceleration
正解：B,C,D
質問 7：
What functions can be achieved by configuring lifecycle rules? (Multiple choice)
A. Regularly convert the storage class of the object
B. Scheduled deletion of specified objects in a bucket
C. Cleaning up the debris
D. Delete bucket
正解：A,B
When backing up data through the cloud backup service CBR, it usually has a significant impact on the performance of the cloud hard disk, causing a bottleneck in the hard disk performance and affecting the normal operation of the business. Therefore, in order to ensure the reliability of business data as much as possible, it is recommended to perform backup in the early morning when there is no data written to the disk.
A. False
B. True
正解：A
質問 2：
Which of the following is not a main function of Huawei Cloud Database Security Service?
A. Database Firewall
B. Anti-crawler
C. Database Audit
D. Discovery and desensitization of sensitive data
正解：B
質問 3：
In Huawei Cloud, a NAT gateway can add both SNAT and DNAT rules at the same time, and the two rules can share one elastic public IP.
A. False
B. True
正解：B
質問 4：
Which of the following applications are suitable for running on general-purpose computing ECS instances? (Multiple choice)
A. Machine Learning
B. Large in-memory database
C. Lightweight database
D. Enterprise Portal
正解：C,D
質問 5：
Huawei Cloud can provide a variety of network services to meet different scenario requirements.
When the user's local data center needs to establish a high-speed, low-latency, stable and secure dedicated connection channel with Huawei Cloud VPC, which of the following cloud services are not suitable? (Multiple choice)
A. Cloud Link CC
B. Elastic Load Balancing (ELB)
C. Enterprise Routing ER
D. Cloud dedicated line DC
正解：B,C
質問 6：
Public clouds provide many types of elastic cloud servers, including but not limited to which ones? (Multiple choice)
A. Bare metal server
B. General computing
C. Disk Enhanced
D. GPU Acceleration
正解：B,C,D
質問 7：
What functions can be achieved by configuring lifecycle rules? (Multiple choice)
A. Regularly convert the storage class of the object
B. Scheduled deletion of specified objects in a bucket
C. Cleaning up the debris
D. Delete bucket
正解：A,B
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