Which of the following scenarios is not suitable for the promotion of active and standby disaster recovery solutions.

The customer configures low-end storage products on the disaster recovery side in order to save costs.

The customer accepts the array layer disaster recovery technology.

The importance of business systems A, B, and C of an enterprise are high, medium, and low respectively. It is feasible for strategic planning according to the following description Yes: (multiple choice)

The backup frequencies of systems A, B, and C can be: 1 full backup every 4 hours, 1 full backup every week, 1 additional backup a day, and 1 monthly backup. Full-time

System C has the longest retention period for backup data.

The backup frequencies of systems A, B, and C can be: 1 full backup every 4 hours, 1 full backup every week, 1 additional backup a day, and 1 monthly backup. Full-time

System A has the longest retention period of backup data.

System C has the longest retention period for backup data.

The retention periods of the backup data of systems A, B, and C can be: 20 days, 3 months, and 1 day, respectively.

The customer has a third-party storage system and wants to build a local high-availability solution for the storage system, and plans to purchase OceanStor 5600 V3 And only purchase the HyperMirror license, this plan:

Not feasible, HyperMirror needs to combine SmartVirntualization features to achieve local high availability of heterogeneous storage systems.

Feasible, the conditions meet the local high availability requirements.

Not feasible, HyperMirror needs to combine SmartVirntualization features to achieve local high availability of heterogeneous storage systems.

Not feasible, HyperMirror needs to combine HyperCopi features to achieve local high availability of heterogeneous storage systems.

Not feasible, HyperMirror needs to combine HyperClone features to achieve local high availability of heterogeneous storage systems.

In the five-step method of disaster recovery plan design, which is the correct sequence of the following steps in the design process?

Disaster recovery plan selection ?> compatibility confirmation ? storage capacity and disaster tolerance bandwidth calculation -> network design ->Disaster tolerance function design

Disaster recovery solution selection-?>Network design ?Storage capacity and tolerance ?>Disaster bandwidth calculation ->Compatibility confirmation ->Disaster tolerance function design

Compatibility confirmation>Network design->Storage capacity and tolerance?Disaster tolerance function design->Disaster tolerance solution selection->Disaster bandwidth calculation

Compatibility confirmation?>Network design?Storage capacity and tolerance->Disaster beltcurtain computing->Disaster tolerance solution selection->Disaster tolerance function design

Which of the following descriptions about the snapshot backup of the OceanStor backup solution is correct: (multiple choice)

After the snapshot is completed, you can choose to catalog and index the snapshot data (to ensure application-level recovery or small particle recovery).

Offline backup of snapshots. The backup adopts offline mode and does not occupy the resources of the production system.

The snapshot function of the backup software can automatically discover the storage volume where the database and mail system are located, and initiate a quiescing of the application before the snapshot.To trigger a hardware storage snapshot. The volume where the file system is located cannot be automatically discovered and needs to be configured separately.

After the snapshot is completed, you can choose to catalog and index the snapshot data (to ensure application-level recovery or small particle recovery).

Offline backup of snapshots. The backup adopts offline mode and does not occupy the resources of the production system.

After adopting snapshot backup, data can be recovered from the recovery layer and protection layer. The compliance layer has a special purpose and cannot be used for data recovery.

In the Huawei disaster recovery solution, the correct description of the synchronous remote replication sequence is:

The main storage array returns a successful write message to the host.

The primary storage array writes I/O data to the primary LUN and sends IO to the secondary LUN 2.

The host sends IO to the main storage array.

The main storage array returns a successful write message to the host.

Write IO data to the master and slave LUNs.

Colleagues customized Huawei's primary and backup disaster recovery solutions for customers.Customers have already selected one set of OceanStor 2600TV2 and one set of third In the storage system of the third party, the two sets of equipment are placed in two data centers to implement the main and backup disaster recovery.This solution:

Not feasible. Huawei's active and standby disaster recovery solution requires at least one OceanStor V3 storage system to be implemented.

Not feasible. Huawei's active and standby disaster recovery solution requires at least a storage system of OceanStor5600 V3 and above to be realized.

Feasible, Huawei's active and standby disaster recovery solution can support the connection of OceanStor 2600T V2 equipment and third-party arrays.

Not feasible. Huawei's active and standby disaster recovery solution requires at least one OceanStor V3 storage system to be implemented.

A disaster recovery project adopts the single-choice solution of Huawei's network layer complete space snapshot method, and starts to create a snapshot of the source volume at 9:00, 9:The snapshot is created at 10 o'clock. During this process, the source volume is being written. Which of the following statements is correct?

The data content of the snapshot volume is the same as the data content of the source volume at 9:00.

The data content of the snapshot volume is the same as the data content of the source volume at 9:10.

The data content of the snapshot volume is the incremental data of the source volume between 9:00 and 3:10.

The snapshot volume is a physical copy of the source volume at 9:00.

In the data backup application scenario, compared with physical tape libraries, which of the following descriptions belong to the characteristics of disk backup media?(Multiple choice)

High backup and recovery performance.

Low management and maintenance costs.

High backup and recovery performance.

Low management and maintenance costs.

It can realize the separation of the data storage disk and the device for reading and writing the disk, and realize the offline storage of the data.

The unit storage cost is lower than that of physical tape.

Which of the following statements about the deployment of Huawei's active-active data center is correct: (multiple choice)

When deploying arbitration, the software supports installation on physical servers or virtual machines. The arbitration server uses the IP network to connect to the active-active data Two sets of storage arrays of the heart.

The transmission layer adopts Huawei OptiX OSN series DWDM, and each site deploys 2 sets of WDM equipment.

The storage layer does not support one of the heterogeneous takeover of third-party storage, and then use the LUN structure after the takeover and the LUN on the other V3 Create a HyperMetro LUN.

Deploy at least two independent GSLBs at each site at the network layer to achieve load balancing between sites.

When deploying arbitration, the software supports installation on physical servers or virtual machines. The arbitration server uses the IP network to connect to the active-active data Two sets of storage arrays of the heart.

The transmission layer adopts Huawei OptiX OSN series DWDM, and each site deploys 2 sets of WDM equipment.

Which of the following statements about the deployment of Huawei's active-active data center is correct: (multiple choice)

When deploying arbitration, the software supports installation on physical servers or virtual machines. The arbitration server uses the IP network to connect to the active-active data Two sets of storage arrays of the heart.

The transmission layer adopts Huawei OptiX OSN series DWDM, and each site deploys 2 sets of WDM equipment.

The storage layer does not support one of the heterogeneous takeover of third-party storage, and then use the LUN structure after the takeover and the LUN on the other V3 Create a HyperMetro LUN.

Deploy at least two independent GSLBs at each site at the network layer to achieve load balancing between sites.

When deploying arbitration, the software supports installation on physical servers or virtual machines. The arbitration server uses the IP network to connect to the active-active data Two sets of storage arrays of the heart.

The transmission layer adopts Huawei OptiX OSN series DWDM, and each site deploys 2 sets of WDM equipment.

A colleague is working on a dual-active disaster recovery plan. By testing the arbitration server to the storage system at both ends, the bandwidth is 4Mbit/s, and the delay is 4Mbit/s. RTT=40ms, and packet loss rate=1%, then this scheme:

Not feasible, because the packet loss rate of active-active disaster recovery must be =0.1%.

Not feasible, because the active-active disaster tolerance bandwidth must not be less than 10Mbit/s.

Feasible, because it meets the conditions of the active-active disaster recovery plan.

Not feasible, because the packet loss rate of active-active disaster recovery must be =0.1%.

Not feasible, because the delay of active-active disaster recovery RTT=120ms

Which of the following are Huawei's intra-city disaster recovery solutions? (multiple choice)

Active and standby disaster recovery solutions

Local high-availability solution

system backup bandwidth?

When there is no replication requirement, the required bandwidth (without deduplication) = total backup data volume ˜ backup window ˜ bandwidth utilization.

When there is a replication requirement, the required bandwidth (with deduplication) = the amount of replicated data ˜ the replication window ˜ bandwidth utilization.

When there is no copy requirement, the required bandwidth (media end deduplication) = total backup data volume ˜ deduplication ratio ˜ backup window ˜ bandwidth utilization.

No recovery For system requirements, the required bandwidth (source-end deduplication) = total backup data volume ˜ backup window ˜ bandwidth utilization.

When configuring primary and secondary disaster recovery, which of the following conditions must be met for the LUNs on the primary and secondary arrays?

Only the size of the backup LUN and the primary LUN are the same.

The size of the secondary LUN must be greater than or equal to the primary LUN.

The backup side needs to be configured with the same RAID level, and the size of the backup side LUN must be the same as that of the primary side LUN.

Only the size of the backup LUN and the primary LUN are the same.

The backup side needs to be configured with the same type of hard disk, and the size of the backup side LUN must be greater than or equal to the primary side LUN.

In the design of backup solutions, the following things need to be considered: (multiple choices)

Capacity and storage strategy design

Data and application recovery strategy design

Capacity and storage strategy design

The backup management system includes backup management software and backup management server. Which of the following items can be managed? (multiple choice)

Read data from the backup client

In the HyperMetro active-active data center solution, data centers A and B are included. When the array of data center A fails At the time, which of the following statements is correct: (multiple choice)

Multipath automatically sets all paths to data center A to be unavailable, and all IOs are directly forwarded to data center B.

Data center B array records the difference bitmap for the newly received I/O.

After the array failure of data center A is restored, the active-active relationship is automatically restored, and the newly added data is automatically synchronized according to the record of the difference bitmap.No business impact.

The data center A array actively powers off, and sends a command to the data center B array to inform it to take over the business.

Multipath automatically sets all paths to data center A to be unavailable, and all IOs are directly forwarded to data center B.

Data center B array records the difference bitmap for the newly received I/O.

After the array failure of data center A is restored, the active-active relationship is automatically restored, and the newly added data is automatically synchronized according to the record of the difference bitmap.No business impact.

The data center A array actively powers off, and sends a command to the data center B array to inform it to take over the business.

Huawei's end-to-end active-active data center solution is divided into 6 layers, the six layers are:

Storage layer, computing layer, application layer, network layer, transport layer and security layer

Storage layer, session layer, application layer, network layer, transport layer and physical layer

Storage layer, session layer, application layer, network layer, transport layer and security layer

Storage layer, computing layer, application layer, network layer, transport layer and security layer

Storage layer, computing layer, application layer, network layer, transport layer and physical layer

Huawei H13-624 Practice Test 15 - Free Online Exam Prep & Questions

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