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Question 1:

Huawei\’s end-to-end active-active data center solution is divided into six logical layers, namely, storage, computing, application, network, transmission, and security layers. Which are key points in designing these layers? (Multiple Choice)

A. The security layer uses Huawei USG series to provide security protection functions such as FW and IDS for data centers.

B. The storage layer uses the FastWrite function to reduce two round trips to one for each standard write I/O, thereby improving the write performance.

C. The computing layer uses virtualization platforms such as FusionSphere and VMware to provide cross-data-center clustering, thereby enabling multiple mission-critical applications to run in active-active mode.

D. The transmission layer employs optimization approaches such as dispersion compensation to ensure the minimum latency on the transmission layer.

Correct Answer: ABCD


Question 2:

Active-Active Solution is implemented based on HyperMetro.

A. TRUE

B. FALSE

Correct Answer: A


Question 3:

The Disaster Recovery Data Center Solution (Active-Active Mode) can be upgraded to the Disaster Recovery Data Center Solution (Geo-Redundant Mode), but needs extra devices.

A. TRUE

B. FALSE

Correct Answer: B


Question 4:

Huawei storage products implement the active/passive data center solution based on HyperMetro. Applications are categorized so that some applications are running in data center A and hot backed up in data center B while other applications are running in data center B and hot backed up in data center A, thereby achieving the active-active effect.

A. TRUE

B. FALSE

Correct Answer: B


Question 5:

Suppose that the initial amount of backup data of an application is 500 GB, one full backup job and six incremental backup jobs are performed weekly, the retention period of all backup data is four weeks, and the redundancy percentage is 20%. In this scenario, how large back-end storage should be ready for the four-week data?

A. 3320 GB

B. 3504 GB

C. 4380 GB

D. 5256 GB

Correct Answer: D


Question 6:

What type of backup networking has the following features?

1.

Occupies large network bandwidth;

2.

Has restricted backup performance;

3.

Adversely affects host applications.

A. LAN-Base

B. LAN-Free

C. Server-Less

D. Server-Free

Correct Answer: A


Question 7:

Which of the following are subsystems of OceanStor BCManager eReplication? (Multiple Choice)

A. eReplication Agent

B. HyperReplication

C. eReplication UI D. eReplication Server

Correct Answer: ACD


Question 8:

Data replication technologies used for disaster recovery cannot be implemented on which layer?

A. Host layer

B. Storage layer

C. Network layer

D. Driver layer

Correct Answer: D


Question 9:

Which of the following statements are correct about Huawei Local HA Solution that uses HyperMirror? (Multiple Choice)

A. Only the Huawei OceanStor V3 series can directly connect to hosts.

B. The Huawei OceanStor V3 series and the heterogeneous storage arrays all can directly connect to hosts.

C. The heterogeneous storage arrays cannot directly connect to hosts.

D. The heterogeneous storage arrays can directly connect to hosts.

Correct Answer: AC


Question 10:

Which is not one of the three elements in information survey of Huawei Active/Passive Disaster Recovery Solution?

A. Project background

B. Customer requirements and summary

C. Project implementation plan

D. Network environment information

Correct Answer: C


Question 11:

Storage-layer data replication supports data replication across heterogeneous storage arrays.

A. TRUE

B. FALSE

Correct Answer: A


Question 12:

In the Huawei Active-Passive DR Solution, it is a mandatory step to create consistency groups.

A. TRUE

B. FALSE

Correct Answer: B


Question 13:

For which scenario Huawei Active/Passive Disaster Recovery Solution is not suitable?

A. To reduce costs, a customer configures entry-level storage products at the disaster recovery site.

B. A customer requires zero RTO and RPO.

C. A customer accepts disaster recovery technologies on the storage array layer.

Correct Answer: B


Question 14:

Which applications can be protected by OceanStor BCManager in Huawei Active/Passive Disaster Recovery Solution? (Multiple Choice)

A. Oracle

B. VMware

C. FusionSphere

D. SQL Server

Correct Answer: ABCD


Question 15:

In data backup scenarios, which are characteristics of physical tape libraries? (Multiple Choice)

A. Data can be remotely stored in an offline manner for a long term.

B. The capacity scalability of a physical tape library is better than that of a disk system.

C. The backup and restoration performance is relatively low.

D. The management and maintenance costs are low.

Correct Answer: ABC