Alibaba Cloud ACA Developer Certification - ACA-Developer무료 덤프문제 풀어보기

A. Less significant visualization layer performance losses

B. Stronger isolation between instances

C. Startup in seconds without the need to reserve resources

D. Low maintenance, low costs

A. aliyun-cll

B. DMS (Data Management Service)

C. Redis-cIl

D. Sentinel

A. Read and write traffic

B. Storage capacity

C. Index traffic after index configuration

D. Query analysis

A. Snapshot rollbacks can be performed while the ECS instance is running.

B. In the event of a system failure, you can use a snapshot to roll back the Cloud Disk to an earlier point in time.

C. Snapshots can be created manually through the web console or command line tools, or automatically according to a schedule.

D. 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.

A. The user key master key is in Pendinglmport state

B. The user key master key is in PendingDeletion state

C. The HTTPS protocol is not enabled

D. User key master key is in Disabled state

A. XML

B. JSON

C. TABLE

D. YAML

A. Configure security keys for API Gateway.

B. Use OpenID Connect to authenticate requests.

C. Enable API Gateway to connect to backend services in an Alibaba Cloud VPC network group. This guarantees the security of API requests.

D. Allow only internal IP addresses to call the API.

E. Use HTTPS to encrypt requests.

A. The Log Service frontend service adopts an LVS + NGINX architecture

B. Each log written to the Log Service backend will be saved in triplicate (across three separate physical servers)

C. As an agent for collecting logs, Logtail can collect logs from existing system log files in a non-intrusive manner

D. The Logstore backend service is deployed on a single machine to complete the real-time persistence, indexing, query and delivery of Logstore data to MaxCompute

A. When creating RAM for users, give each user both web console AND AccessKey credentials: there is no need to keep these separate

B. Use system policies to bind reasonable permissions policies to users or user groups, and customize policies for more fine-grained control

C. When there are multiple RAM users under a cloud account, create user groups to classify and authorize RAM users with the same responsibilities

D. Create RAM users each employee, and set login passwords or create AccessKey credentials as needed

A. Through a cluster endpoint, applications can connect to data nodes.

B. Cluster endpoints support read/write splitting.

C. The primary endpoint supports read/write splitting.

D. The endpoint of the PolarDB MySQL database includes the cluster endpoint and the primary endpoint.