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Huawei H13-821_V3.0-ENU Exam Syllabus Topics:

Huawei HCIP-Cloud Service Solutions Architect V3.0 Sample Questions:

1. Asymmetric key encryption is one of the commonly used data encryption protection methods. The asymmetric key is composed of a pair of public key and private key, and they are related to each other. The private key can only be used by trusted persons, but the public key can be distributed to anyone who requests it.

A) False
B) True

2. Document database service DDS supports multiple instance types to meet different business scenarios. DDS supports multiple architectures, such as: cluster architecture, single-node architecture, etc. Which of the following descriptions about DDS are correct? (Multiple choice)

A) DDS is fully compatible with the MongoDB protocol
B) Support data one-click dump OBS
C) Instance specifications support x86 and Kunpeng architectures
D) MongoDB generally uses a format similar to JSON to store

3. Cloud backup service CBR can provide simple and easy-to-use backup services for cloud servers and cloud hard disks. When events such as virus invasion, human error deletion, software and hardware failures, etc. occur, data can be restored to any backup point. Currently, elastic cloud Server backup can be backed up through the "Cloud Server Backup" service and the "Cloud Disk Backup" service.
In the following comparison of the two backups, which items are correct? (Multiple choice)

A) From the dimension of recommended scenarios: cloud server backup, the entire cloud server needs to be protected, cloud hard disk backup, the system disk has no personal data, so only part of the data disk needs to be backed up
B) Dimensions of backup/restore objects: cloud server backup, all cloud disks in the server, cloud disk backup, specified single or multiple disks
C) From the dimension of backup speed: cloud server backup, the backup speed is fast, cloud hard disk backup, the backup speed is slow
D) From the dimension of advantages: cloud server backup, all disk data under the same server are consistent, that is, all cloud hard disks are backed up at the same time, and there is no data inconsistency caused by backup creation time difference, cloud hard disk backup, to ensure data security while reducing backup costs

4. When the capacity of the existing cloud hard disk is insufficient, the user can expand the capacity of the cloud hard disk, that is, expand the capacity of the cloud hard disk. When there is remaining capacity, the user can also reduce the capacity of the cloud hard drive.

A) False
B) True

5. The elastic public network IP can be flexibly bound and unbound with resources such as elastic cloud servers, bare metal servers, elastic load balancing, and NAT gateways. It has a variety of flexible billing methods to meet the needs of various business scenarios.
But there are also many constraints and restrictions. Which of the following descriptions about constraints and restrictions is wrong?

A) An elastic public IP can only be bound to one cloud resource, and the elastic public IP and cloud resources must be in the same region
B) Only unbound EIP addresses can be released. Bound EIP addresses need to be unbound before they can be released.
C) After the elastic public network IP is released, if it is used by other users, you can submit a work order to apply for retrieval
D) Only unbound EIPs can be bound

Solutions: