최신Alibaba Cloud ACA Cloud Computing Associate - ACA-Cloud1무료샘플문제

A. Snapshot

B. Infrequent access

C. Chunk

D. Archive

A. Auto Scaling

B. Server Load Balancer

C. RDS

D. OSS

A. FALSE

B. TRUE

A. Self-built database supports quick deployment and elastic scaling.

B. RDS requires no O&M while self-built database requires a dedicated DBA for maintenance, which results in high HR cost.

C. RDS features a high availability of 99.95% while self-built database requires you to implement data protection, primary-standby replication, and RAID all by yourself.

D. RDS provides automatic backup while self-built database requires you to prepare storage space for backup copies and regularly verify that these copies can be restored.

A. Customer has to safeguard their own data. OSS provides various backup interfaces to facilitate offsite backups.

B. OSS leverages RAID0+1 configuration of its underlying physical hard disks. There is no impact even if
2 hard disks were to fail simultaneously.

C. OSS supports 3 internal data copies, no human intervention is required to recover the data when anything goes wrong.

D. OSS supports 3 internal data copies, so the data can be manually recovered should there be any problem.

A. If you are uploading some small files (<1m), you can choose using put method to be able finish uploading in one http request.

B. If you need to upload very large file you better use multi-part uploading to get the capability of resuming from break point.

C. All file uploading method provided by Alibaba Cloud OSS service will support resuming from break point.

D. If you are using OSS to store some log files which are continuously being updated, you better choose streaming method to be able to append to one existing object instead of overwriting.

A. FALSE

B. TRUE