Huawei H13-831-ENU 問題集

質問 1：
Which of the following is not the reason caused MySQL database replication latency standby?
A. Continuous large transactions on the main library.
B. The hardware configuration of the standby machine is poor.
C. The network delay between the main and standby machines is high.
D. Binlog is not turned on from the library.
正解：D

質問 2：
Huawei Cloud GPU-accelerated ECS cloud server uses NVLink technology to achieve optimal multi-card interconnection.
A. False
B. True
正解：B

質問 3：
Users can build their own virtual clusters on the BMS bare metal servers they have purchased.
A. False
B. True
正解：B

質問 4：
When the user uses the Huawei Cloud 0ST tool to migrate the object storage.
Which of the following situations requires resource assessment in the migration material?
A. The data capacity in the source bucket exceeds 1T, and the number of objects exceeds 3 million.
B. The data capacity in the source bucket exceeds 3T, and the number of objects exceeds 5 million.
C. The data capacity in the source bucket exceeds 3T, and the number of objects exceeds 3 million.
D. The data capacity in the source bucket exceeds 5T, and the number of objects exceeds 5 million.
正解：B

質問 5：
What are the commonly used data encryption methods for users? (Multiple choice)
A. Server-side encryption
B. Client side encryption
C. Apply encryption
正解：A,B,C

質問 6：
Which of the following description of the HUAWEI CLOUD modular data center are correct? (Multiple choice)
A. The UPS power module has no redundancy. Integrated UPS integrated power distribution.
B. Green and energy saving. Improve PUE by more than 20%.
C. Save operation and maintenance manpower. Improve operation and maintenance efficiency.
D. Use PAD near-end management, real-time display.
正解：A,B,C,D

質問 7：
HUAWEI CLOUD will sell available idle computing resources at a certain discount, which is called auction instance. Which of the following descriptions of Huawei Cloud bidding instance is wrong?
A. Spot instances are automatically deleted after 5 minutes after exceeding the expected purchase price.
B. It is necessary to set the price upper limit of the elastic cloud server when purchasing an auction instance.
C. Performance Bidding instance sold at a discounted price than the same size of the normal ECS low.
D. The price of the auction instance changes in real time with the market supply and demand relationship.
正解：C

質問 8：
If the database instance of a Huawei Cloud tenant is under an unknown attack, which of the following methods is recommended for the tenant administrator to complete the creation of the database firewall policy?
A. Learning mode
B. Risk-based IPS/IDS
C. Cannot automatically create security policies for existing attacks.
D. Database firewall
正解：A

質問 9：
After customers purchase basic cloud services such as HUAWEI CLOUD ECS and EVS, they deploy an open source MSQL database on ECS. When it is found that the SQL read and write of the database is slow.
Which of the following descriptions are correct about how users deal with referrals? (Multiple choice)
A. The customer database is slow to read and write. The preliminary analysis is that the hard disk is slow to read and write. If the hard disk fails to meet the promised performance indicators, report the failure to Huawei engineers for assistance.
B. The customer will check which MySQL table is slow to read and write and create a new index if the appropriate index is not established.
C. The customer database is slow to read and write. The initial analysis is that the network delay is large. If there is a bandwidth bottleneck within the bandwidth purchase range, report the failure to a Huawei engineer for assistance.
D. In order to solve the problem as soon as possible, the customer does not need to analyze the problem and directly report the problem to Huawei engineers for solution.
正解：A,B,C