You cannot deploy applications on ECSs in a manner similar to that on traditional physical servers.

A. True

B. False

Which of the following statements about EVS and snapshots is false?

A. You can roll back a snapshot to the source EVS disk when the disk is in the Available state

B. A snapshot can be rolled back to any designated EVS disk

C. If data on an EVS disk has errors or is corrupted, you can roll back the data snapshot to the source disk to restore the data

D. Creating a snapshot will fail if the EVS disk is in the Attaching state or Expanding state

DIS is a one-stop, collaborative big data development platform. It helps in jobs such as data modeling, data integration, script development, and job scheduling.

A. True

B. False

The IoTA service provides complete data capabilities for IoT data developers based on IoT asset models. It consolidates data integration, cleansing, storage, analysis, and visualization.

A. True

B. False

Elastic load balancing can add elastic cloud servers in different regions as back-end servers.

A. TRUE

B. FALSE

In order to use The ping program tests the communication status between elastic cloud servers. Which of the following protocols needs to be added to the security group.

A. HTTPS

B. HTTP

C. ICMP

D. TCP

The bottom layer of SFS elastic file service uses Erasure Code to achieve high storage and high reliability.

A. TRUE

B. FALSE

Regarding the storage category provided by the object storage service, which of the following is wrong?

A. Archive storage

B. Backup storage

C. Low frequency access storage

D. Standard storage

Users with which of the following permissions can Do OBS resources perform arbitrary operations?

A. OBS Buckets Viewer

B. OBS Viewer

C. Tenant Administraor

D. Tenant Guest

HUAWEI CLOUD Among EI services, what are the services that have full-stack Hadoop big data capabilities?

A. DWS data warehouse service

B. MRS MapReduce service

C. CDM cloud data migration service

D. CloudStream real-time streaming computing service