Mixed Deck — All CLF-C02 Topics Flashcards

What is the MOST effective way for new CLF-C02 professionals to build competency in their field?

Answer: Combining formal education, mentored practice, and ongoing professional development

Building professional competency requires a multi-faceted approach: formal education provides foundational knowledge, mentored practice develops applied skills under guidance, and ongoing professional development ensures continuous growth and currency in the field.

A company wants to run containerized applications without managing the underlying servers. Which AWS service is the best fit?

Answer: AWS Fargate

AWS Fargate is a serverless compute engine for containers that removes the need to provision or manage servers.

Which AWS service is specifically designed for running batch computing workloads at any scale without managing clusters?

Answer: AWS Batch

AWS Batch dynamically provisions the optimal quantity and type of compute resources to run batch jobs without you managing clusters.

What is the PRIMARY ethical obligation of a certified AWS Certified Cloud Practitioner professional regarding confidential information?

Answer: Protect it from unauthorized disclosure at all times

Confidentiality is a fundamental ethical obligation. Certified professionals must protect confidential information from unauthorized disclosure, regardless of circumstances. Breach of confidentiality can result in loss of certification and legal liability.

Under the AWS Shared Responsibility Model, who is responsible for patching the underlying hypervisor in an EC2 environment?

Answer: AWS

AWS is responsible for patching the hypervisor and underlying infrastructure (security 'of' the cloud), while customers patch the guest OS and applications.

Which of the following infrastructure components is AWS responsible for under the Shared Responsibility Model?

Answer: Fiber optic cables and networking hardware connecting AWS regions

The physical network hardware and fiber connections between AWS facilities are part of the global infrastructure that AWS is fully responsible for.

A company wants to receive alerts when their AWS monthly charges exceed a specific threshold. Which service should they use?

Answer: AWS Budgets

AWS Budgets lets you set custom cost and usage thresholds and sends alerts via email or SNS when those thresholds are exceeded.

A developer wants to understand who is responsible for network traffic protection in AWS. Which statement is accurate?

Answer: The customer configures security groups and NACLs; AWS protects the physical network

AWS protects the underlying physical network infrastructure, while customers configure virtual network controls like security groups and NACLs.

A company is migrating from a single large server to the cloud and wants to handle growing traffic. Which scaling strategy adds more instances rather than upgrading existing ones?

Answer: Horizontal scaling (scaling out)

Horizontal scaling adds more instances to distribute load, while vertical scaling increases the size/power of existing instances.

What is the maximum size of a single object that can be stored in Amazon S3?

Answer: 5 TB

A single S3 object can be up to 5 TB in size; objects larger than 100 MB should use multipart upload.

A company uses AWS Organizations with multiple accounts. Under the Shared Responsibility Model, who manages the AWS account root user credentials?

Answer: The customer is responsible for securing and restricting root user access

Customers are fully responsible for securing root user credentials, including enabling MFA and avoiding routine use of the root account.

Which Amazon RDS feature automatically creates a standby replica in a different Availability Zone to provide failover support?

Answer: Multi-AZ Deployment

RDS Multi-AZ Deployment maintains a synchronous standby replica in another AZ and automatically fails over if the primary instance fails.

What is the primary consideration when implementing changes to aws architecture?

Answer: Impact assessment and change management

Impact assessment and proper change management ensure that modifications do not introduce unexpected problems or service disruptions.

Which EBS volume type is best suited for a big data analytics workload requiring high sequential throughput rather than high IOPS?

Answer: st1 (Throughput Optimized HDD)

st1 (Throughput Optimized HDD) is designed for large, sequential workloads like big data, data warehouses, and log processing at low cost.

A company wants to use AWS services but needs connectivity with guaranteed bandwidth and lower latency than a VPN over the internet. Which service should they choose?

Answer: AWS Direct Connect

AWS Direct Connect provides a dedicated private network connection between your premises and AWS, offering consistent performance and potentially lower data transfer costs.

What is the key advantage of using Amazon Redshift Serverless compared to provisioned Redshift clusters?

Answer: It charges only when queries are running, with no idle cluster costs

Redshift Serverless automatically provisions capacity and charges only for the compute used during query execution, eliminating idle cluster costs.

In CLF-C02 practice, what is the best approach to quality improvement in shared responsibility?

Answer: Use data-driven methods with measurable outcomes

Data-driven quality improvement with measurable outcomes ensures that changes actually produce the intended improvements and can be verified.

Which documentation is essential when working with networking in CLF-C02?

Answer: Detailed technical specifications and as-built diagrams

Detailed technical specifications and as-built diagrams provide the accurate reference information needed for maintenance and troubleshooting.

In CLF-C02 certification, what does redundancy in system design primarily provide?

Answer: Fault tolerance and high availability

Redundancy provides fault tolerance by ensuring that if one component fails, backup components maintain system availability.

A security team wants to analyze historical API activity across their AWS account to investigate a potential security incident. Which service provides this audit trail?

Answer: AWS CloudTrail

AWS CloudTrail records all API calls made in an AWS account, providing a complete audit trail for security investigations and compliance auditing.