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Which of these metrics are collected by CloudMonitor’s Host Monitoring function? (Number of correct answers: 3)

A.

CPU status of the ECS instance

B.

Running processes on the ECS instance

C.

Storage space used by OSS buckets

D.

ECS network I/O

Which of the following services is used to establish private network connections between virtual private clouds (VPCs) in different regions, or between VPCs and data centers?

A.

CEN (Cloud Enterprise Network)

B.

Express Connect

C.

VPN Gateway

D.

NAT Gateway

Which of the following engines is NOT supported by PolarDB?

A.

Oracle

B.

MongoDB

C.

MySQLo

D.

PostgreSQL

Which of these services can be used to monitor Alibaba Cloud resources and send alerts? (Number of correct answers: 3)

A.

CloudMonitor

B.

ActionTrail

C.

Cloud Config

D.

Object Storage Service (OSS)

Which of the following options correctly describes CloudMonitor Custom Monitoring and Custom Events? (Number of correct answers: 2)

A.

Custom Events is used for collection of continuous event type data, queries, and alarms

B.

Custom Events is for periodic and continuous collection of time series monitoring data, queries, and alarms

C.

Custom Monitoring is used for periodic and continuous collection of time series monitoring data, queries, and alarms

D.

Custom Monitoring is used for collection of non-continuous event data, such as information about ECS instance restarts

Serverless Workflow allow you to orchestrate distributed tasks in sequence, branch, and parallel modes, and ensure that tasks are reliably coordinated according to your workflow logic. Which of the following service integration modes is not supported by Serverless Workflow?

A.

Request response mode

B.

Synchronization mode

C.

Asynchronous mode

D.

Waiting for callback mode

Tracing Analysis is used to analyze and diagnose performance bottlenecks in

a distributed application architecture and make microservice development and

diagnostics more efficient.

A.

True

B.

False

Which of the following Alibaba Cloud services offers a software-defined wide area network (SD-WAN) solution based on cloud-native technologies?

A.

NAT Gateway

B.

Smart Access Gateway (SAG)

C.

VPN Gateway

D.

Content Delivery Network (CDN)

Which Alibaba Cloud service is an automated operations and maintenance (O&M) service to execute O&M tasks?

A.

Operation Orchestration Service (OOS)

B.

Maintenance Orchestration Service (MOS)

C.

Resource Orchestration Service (ROS)

D.

Resource Access Management (RAM)

Which command is used to get the Docker daemon information?

A.

docker info

B.

docker version

C.

docker pull

D.

docker image