An ECS instance is unresponsive over SSH and the operator wants to recover it without losing data. Which Alibaba Cloud ECS console action should be tried first?
Ecs Day2 Operations
Question · Easy
An operator needs to take a consistent snapshot of an ECS Linux instance running MySQL with active writes. Which approach gives the most application-consistent snapshot?
Question · Medium
An operator wants every ECS launched from a custom image to install the Cloud Monitor agent at first boot. Which mechanism is purpose-built for this?
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An operator needs to apply the same configuration change to 50 ECS instances tagged env=prod. Which is the most efficient batch operation?
An operator forgets the root password on a Linux ECS instance. What is the recommended way to recover access via the console?
An operator wants every new ECS in a tagged scaling group to keep the same disk performance during a system disk replacement. Which feature should they configure on the new system disk?
Which ECS console feature lets an operator create a custom image directly from a running instance for golden-image baking?
An ECS instance must be redeployed to fix an underlying host hardware issue without changing its IP. Which action should the operator take?
Which CloudMonitor feature collects host-level CPU, memory, disk, and network metrics from inside the ECS guest OS?
Monitoring
An operator wants CloudMonitor to alert when an ECS instance memory usage exceeds 85% for 3 consecutive 1-minute intervals. Which alarm rule field controls this behavior?
Which CloudMonitor capability lets an operator publish custom application metrics like queue_depth or order_rate?
An operator must search for the string "ERROR" across application logs from 200 ECS instances. Which Alibaba Cloud service is purpose-built for this?
Within Simple Log Service, which two organizational concepts must an operator create before Logtail can ship data?
An operator must archive all production logs to OSS for 7-year compliance retention. Which SLS feature enables this?
An operator wants to ship SLS logs to MaxCompute for daily warehouse analytics. Which capability handles this?
Which Alibaba Cloud service automates day-2 operational workflows using YAML or Python templates and scheduled or event-driven executions?
Automation
An operator wants a function to run every time an ECS instance enters Stopped state to send a Slack notification. Which combination should they use?
Which Alibaba Cloud service provides centralized backup of ECS, file, SQL Server, Oracle, and SAP HANA workloads with cross-region copy?
Backup Recovery
An operator wants nightly snapshots on 200 ECS data disks with 7-day retention. Which feature is purpose-built?
An operator must keep DR copies of snapshots in a second region. Which ECS feature enables this?
Which RAM principal type should an operator use for an ECS instance that needs to call OSS APIs without storing AccessKeys on disk?
Security Operations
An operator wants to require MFA for every console sign-in by RAM users. Which configuration should they apply?
Which Alibaba Cloud service records every management API call and supports forwarding events to SLS for retention and analysis?
An operator wants envelope-encrypted ECS data disks with customer-managed keys. Which service stores and rotates the master keys?
Which Alibaba Cloud service continuously evaluates resources against compliance rules (for example, OSS bucket must not be public)?
An operator must restrict a RAM user so they can only call ECS APIs from the corporate office IP range. Which policy element enforces this?
When updating a RAM policy that is in production, what feature lets the operator roll back if the new version breaks workloads?
An operator must patch the Linux kernel on 100 production ECS instances with a maintenance window of 30 minutes. Which OOS template type best fits?
Patching Updates
When a security group rule is updated on a running ECS instance, when does the change take effect?
Networking Ops
An operator needs to add a route in a VPC route table that sends 10.50.0.0/16 traffic to a specific HA VIP. Where is this configured?
A public-facing ECS needs an EIP attached during a DR failover and detached afterward. Which EIP property allows this?
An operator must add a new HTTPS listener on port 443 to an existing SLB (now branded ALB/CLB). Which resource must already exist on the listener configuration?
An operator wants to interconnect 10 VPCs across 3 regions for a hub-and-spoke topology. Which Alibaba Cloud service is purpose-built?
Which ApsaraDB for RDS feature enables operators to restore the database to any second within the backup retention window?
Apsaradb Ops
How can an operator apply the same MySQL parameter set (e.g., max_connections, innodb_buffer_pool_size) to 30 RDS instances?
An operator must analyze why a query slowed down last night. Which RDS feature should they consult first?
A primary RDS instance fails. Which configuration provides the fastest automatic failover with minimal data loss?
An operator must offload heavy reporting queries from an OLTP RDS primary. Which RDS capability is purpose-built?
An OSS bucket holds infrequently accessed log archives. Which feature reduces storage cost over time without manual intervention?
Oss Ops
An operator must protect an OSS bucket from accidental object deletion. Which feature is purpose-built?
A team in Hangzhou needs a copy of a Singapore-region OSS bucket for low-latency read in Asia-Pacific. Which feature should the operator enable?
An operator needs every object uploaded to a bucket to be encrypted with a KMS-managed key. Which configuration enforces this?
An auditor wants every OSS GET, PUT, and DELETE recorded with requester identity. Which OSS feature should be enabled?
An operator wants to allow a specific RAM user to read only one prefix in an OSS bucket and nothing else. Which mechanism is most appropriate?
A frontend application requests product images at multiple sizes. Which OSS feature can resize and watermark images at request time?
An operator wants to identify monthly cost drivers across all Alibaba Cloud services. Which tool is purpose-built?
Cost Optimization
A workload runs 24x7 for the next year on a fixed ECS family. Which purchase option typically gives the best discount?
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