A company deploys a set of multi-select Huawei distributed storage in data center A and data center B.
It mainly uses block services to carry database, virtual machines and other application-related services, and uses block services to work with active-active features and upper-layer applications to ensure Business continuity. For this dual-active scenario, which of the following descriptions are correct? (Multiple choice)

• A.It is recommended to use active-active consistency groups for database applications
• B.It is recommended to deploy an arbitration server on a third-party site
• C.It is recommended that the distance between data center A and data center B are less than 100 kilometers
• D.It is recommended to use FC networking for the arbitration link

Comment: *

Name: *

Email: *

Verification: *

Which of the following are not the functions of OMS? (Multiple Choice)

• A.Performance reporting
• B.Device monitoring
• C.Tenant management
• D.Alarm reporting

Comment: *

Name: *

Email: *

Verification: *

Account is a credential for using the object storage service (compatible with Amazon S3 interface), and its management function does not include:

• A.Basic account management
• B.Cross-domain access policy management
• C.Contract business management
• D.Certificate management

Comment: *

Name: *

Email: *

Verification: *

In the file system, which scenarios will modify the metadata? (Multiple choice)

• A.Delete files (including soft links) or directories
• B.Rename
• C.Create files (including soft links) or directories
• D.Modify properties

Comment: *

Name: *

Email: *

Verification: *

Regarding the Huawei Distributed Storage Intelligent Load Balancing, which of the following description is incorrect?

• A.Load balancing service support: polling method, CPU usage rate, number of node connections.
• B.Load balancing strategy can be based on: CPU, memory, bandwidth, number of network connections, node capacity value.
• C.When automatic load balancing is performed between all nodes, only performance load balancing is supported, and capacity load balancing is not supported.
• D.Nodes can be classified as required. For each partition, the load balancing system supports the configuration of independent load policies and independent access domain names.

Comment: *

Name: *

Email: *

Verification: *