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Huawei HCIE-Cloud Service Solutions Architect (Written) V2.0 Sample Questions:

1. HDFS adopts the file access model of "write once, read many times", so after a file in HDFS is created, written and closed, it should not be modified.

A) True
B) False

2. HUAWEI CLOUD tenant administrators need to authorize their sub-accounts to only change the permissions of ECS instance specifications. Which of the following types of IAM account policies is recommended?

A) Fine-grained strategies
B) Custom strategy
C) RBAC strategy
D) Use AD domain control strategy

3. 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 will check which MySQL table is slow to read and write and create a new index if the appropriate index is not established.
B) 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.
C) 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.
D) 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.

4. Because stand-alone RDS has certain limitations in processing large quantities of data, a company decided to use Huawei Cloud DDM distributed middleware + RDS instance to solve the problems of limited stand-alone RDS expansion capabilities and slow database response. Which of the following description about the advantages of DDM distributed middleware + RDS instance over stand-alone RDS are correct? (Multiple choice)

A) Horizontal expansion, DDM supports new RDS instances without interrupting business, and horizontal expansion of storage space.
B) Data distributed storage, DDM adopts a horizontal split method to split a single database with a large number of data records according to specified rules, and distributed storage to each partition.
C) High performance, DDM instance associates multiple RDS nodes, and realizes parallel computing at the same time.
D) separate read and write, the user can read the data in accordance with the pressure load for each RDS instance configuration - one or more read-only instance, improve query concurrency.

5. Which of the following is not a capability of the " Cloud DBA" function of HUAWEI CLOUD RDS instances?

A) Database hardware tuning
B) Emergency restart of the database
C) Database engine check
D) Database deadlock check

Solutions: