Which of the following storage device are used to store data?

A. Tape

B. Hard disk

C. CD-ROM

D. Floppy disk

By default, Huawei HiCloud provides four rules: Common user, tenant administrator, OandM administrator, and system administrator.

A. True

B. False

If Huawei FusionCloud does not have special requirements, which node is recommended to be deployed on DHCP Agent?

A. Routing node

B. Compute node

C. OpenStack control node

D. Network node

In the Huawei FusionCloud solution, which of the following is recommended for security rule protection in regions?

A. No detailed protection for IP addresses and ports is provided for mutual access between management areas in a region

B. The Internet access management zone provides detailed protection for IP+ ports and is configured on the border wall

C. The tenant zone accesses IP+ porta in the management zone through service ports and is configured on the border wall

D. The region internal management zone only performs high-risk port protection based on network segments

In a data center migration scenario, which of the following is not an advantage of Huawei LUN copy technology?

A. Data migration is completed by Huawei storage systems and does not require server computing resources

B. Simple operation and unified solution

C. Online service migration

D. The LUN copy migration solution supports data migration between most Huawei storage device and is highly compatible

Data backup can be used to prevent logical errors such as misoperations and viruses. Data backup ensures that the system can be restored to a correct logical version.

A. True

B. False

The two data centers use the remote replication technology and the synchronization period. Asynchronous remote replication is used for services with high continuity requirements and important data services.

A. True

B. False

In the data center disaster recovery and backup solution, data backup is used to solve the availability problem.

A. True

B. False

In the data center active-active solution, the static priority mode or third-party arbitration mode can be used. However, if the arbitration fails, you need to manually switch to the static priority mode.

A. True

B. False

Which of the following components does not belong to the second-level data capture, conversion, and delivery of a large amount of data between heterogeneous IT infrastructures in the Oracle GoldenGate?

A. Mirroring module

B. Trace File module

C. Capture module

D. Delivery module