CV0-004 Operations and Support Practice Test 9 — 15 Questions

Question 1

A cloud architect needs to centrally manage logs from multiple AWS accounts. Which service should be used to aggregate logs into a single view?

Accepted Answer

AWS CloudWatch Logs. AWS CloudWatch Logs can aggregate log data from multiple accounts into a single log group for centralized monitoring.

Answer

AWS CloudTrail

Answer

AWS Config

Answer

AWS X-Ray

Question 2

A cloud engineer wants to be notified when the average CPU utilization of an auto-scaling group exceeds 80% for 5 minutes. Which alerting mechanism should be used?

Accepted Answer

AWS CloudWatch Alarm. CloudWatch Alarms can monitor metrics and trigger actions when a threshold is breached for a specified period.

Answer

AWS Systems Manager OpsCenter

Answer

AWS Config rule

Answer

AWS Trusted Advisor

Question 3

A company wants to implement a disaster recovery strategy with an RTO of 15 minutes and an RPO of 1 minute for a critical database. Which approach should be used?

Accepted Answer

Cross-region continuous replication with automatic failover. Continuous replication with automatic failover provides near-zero RPO and fast RTO.

Answer

Scheduled snapshots every hour

Answer

Daily snapshots copied to another region

Answer

Weekly full backups to tape stored offsite

Question 4

A cloud administrator wants to analyze network traffic to troubleshoot connectivity issues between VMs. Which feature should be enabled?

Accepted Answer

Network flow logs. Network flow logs capture IP traffic information for network debugging. They record metadata about network traffic to help troubleshoot connectivity issues.

Answer

Audit logging service

Answer

Distributed tracing service

Answer

Configuration compliance service

Question 5

A cloud team wants to automatically scale an application based on the number of pending messages in a message queue. Which scaling policy type should be used?

Accepted Answer

Dynamic scaling (metric-based). Dynamic scaling (metric-based) adjusts the number of instances to keep a specific metric, such as queue depth, at a target value. This is the appropriate policy for scaling based on real-time queue depth.

Answer

Scheduled scaling

Answer

Manual scaling

Answer

Static scaling

Question 6

A cloud engineer needs to apply security patches to a fleet of Windows servers without manual intervention. Which service can automate this process?

Accepted Answer

AWS Systems Manager Patch Manager. AWS Systems Manager Patch Manager automates the patching of managed instances.

Answer

AWS Config

Answer

AWS CloudFormation

Answer

AWS Trusted Advisor

Question 7

A company wants to ensure that logs from their application are easily searchable and structured for analysis. Which logging format should be recommended?

Accepted Answer

JSON format. Structured logging in JSON format allows for efficient querying and parsing.

Answer

CSV format

Answer

Binary format

Answer

Plain text format

Question 8

A cloud administrator notices that an auto-scaling group is frequently adding and removing instances due to brief spikes in CPU usage. What should be adjusted to stabilize the scaling activity?

Accepted Answer

Increase the cooldown period. Increasing the cooldown period or adjusting the evaluation period can prevent flapping.

Answer

Increase the maximum instance count

Answer

Decrease the minimum instance count

Answer

Decrease the cooldown period

Question 9

A cloud engineer wants to view a dashboard showing cost breakdown by department. Which tool provides pre-built billing dashboards?

Accepted Answer

AWS Cost Explorer. AWS Cost Explorer provides pre-built dashboards for cost analysis.

Answer

AWS CloudWatch

Answer

AWS Trusted Advisor

Answer

AWS Config

Question 10

A cloud architect is designing a monitoring strategy to detect anomalies in application latency. Which TWO services can be used for anomaly detection?

Accepted Answer

AWS CloudWatch Anomaly Detection. CloudWatch anomaly detection and Azure Monitor smart detection can detect anomalies in metrics.

Answer

AWS Trusted Advisor

Answer

AWS Config

Answer

AWS CloudTrail

Question 11

A company wants to implement a disaster recovery plan with minimal data loss and fast recovery. Which TWO strategies best achieve an RPO of minutes and RTO of hours?

Accepted Answer

Pilot light environment. Cross-region replication and pilot light can achieve low RPO and moderate RTO.

Answer

Multi-site active-active

Answer

Backup and restore

Answer

Warm standby

Question 12

A cloud operations team needs to automate patching of Linux servers. Which TWO services can be used? (Choose TWO)

Accepted Answer

Azure Update Management. AWS Systems Manager Patch Manager and Azure Update Management both support automated patching.

Answer

AWS CloudTrail

Answer

AWS CloudFormation

Answer

AWS Config

Question 13

A cloud engineer is required to set up cost allocation tags. Which THREE standard tag categories are commonly used for cost attribution? (Choose THREE)

Accepted Answer

Project. Environment, project, and team are common tag categories for cost allocation.

Answer

Instance type

Answer

Region

Question 14

A company is experiencing intermittent performance issues in a microservices application. Which TWO tools can help diagnose latency problems through distributed tracing? (Choose TWO)

Accepted Answer

Azure Application Insights. AWS X-Ray and Azure Application Insights provide distributed tracing capabilities.

Answer

AWS CloudWatch Logs

Answer

Azure Monitor

Answer

AWS CloudTrail

Question 15

A cloud administrator wants to choose an auto-scaling policy that can respond to changing demand patterns. Which TWO policy types support dynamic adjustments based on real-time metrics? (Choose TWO)

Accepted Answer

Target tracking scaling. Target tracking and step scaling both adjust capacity dynamically based on real-time metrics.

Answer

Predictive scaling

Answer

Scheduled scaling

Answer

Simple scaling