ACA-Developer 무료 덤프문제 온라인 액세스

Alibaba Cloud's ECS disk snapshotting tool can create crash-consistent snapshots for all types of Cloud Disks.
It is a convenient and efficient disaster recovery method. It is often used for data backup, custom mirroring, application disaster recovery, etc. Which of the following is NOT a correct description of disk snapshots?

• A.In the event of a system failure, you can use a snapshot to roll back the Cloud Disk to an earlier point in time.
• B.A snapshot is a backup file of the cloud disk data state at a certain point in time. The first snapshot of the cloud disk is a full snapshot of the ac usage. Empty data blocks are not backed up. All subsequent snapshots are incremental snapshots, and only changed data blocks are stored.
• C.Snapshot rollbacks can be performed while the ECS instance is running.
• D.Snapshots can be created manually through the web console or command line tools, or automatically according to a schedule.

Which of the following is NOT required for SMC (Server Migration Center) to migrate a server to Alibaba Cloud?

• A.The SMC client transfers the source data to an intermediate ECS instance.
• B.From the SMC console, configure the type of disk image to be generated during the migration.
• C.Import the migration source information to the SMC console.
• D.The SMC backend service generates a target Alibaba Cloud image based on the migration source.

Log Service uses a semi-structured data model to define a log. This mode contains five data fields:
Topic, Time, Content, Source, and Tags. Log Service has different requirements for the format of each field in the log. Which of the following fields cannot be empty characters? (Number of correct answers: 4)

• A.Topic
• B.Source
• C.Tags
• D.Content
• E.Time

Which of the following data volume types is not supported by Elastic Container Instance (ECI)?

• A.FixedVolume
• B.EmptyDir
• C.ConfigFile
• D.NFS

Which of the following is NOT a valid state for a scaling activity in Alibaba Cloud's Elastic Scaling Service ESS -also known as Auto Scaling) state of the scaling activity in the Alibaba Cloud elastic scaling group?

• A.Rejected
• B.Timeout
• C.Executing
• D.Failed