Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A company based in Germany needs to store and process customer data that, by law, must remain within the European Union (EU). The company plans to use AWS services. Which AWS Global Infrastructure element is the MOST important for the company to evaluate when choosing where to deploy its resources?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
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Availability Zones
Availability Zones are physically separate data centers within an AWS Region. While they provide high availability, they do not offer a way to choose a different country or legal jurisdiction; they are part of the Region you select. Therefore, they are not the primary element to evaluate for data residency.
B
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Edge Locations
Edge Locations are endpoints used by AWS services like Amazon CloudFront to cache content closer to users. They do not run customer workloads or store primary data, so they are not suitable for meeting data residency requirements for compute and storage.
C
Best answer
AWS Regions
AWS Regions are distinct geographic areas that are completely isolated from each other. Choosing a Region within the EU (e.g., eu-central-1 in Frankfurt) ensures that the customer's data remains in the EU, satisfying data residency laws. This is the foundational decision before considering other infrastructure components.
D
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Local Zones
Local Zones extend an existing AWS Region and are designed for low-latency applications. They are still within the same country as the parent Region, so they do not provide an additional option for changing data location. The Region selection is the primary factor for data residency.
Common exam trap
Common exam trap: OSPF can fail even when IP connectivity looks correct
OSPF neighbour formation depends on matching areas, timers, network type, authentication and passive-interface behaviour. Do not choose an answer only because the devices can ping.
Technical deep dive
How to think about this question
OSPF questions usually test the details that control adjacency and route selection. Read the neighbour state, area, router ID and interface configuration before deciding what is wrong.
KKey Concepts to Remember
- OSPF neighbours must agree on key parameters.
- Router ID selection can affect neighbour relationships and LSDB output.
- OSPF cost influences the preferred path.
- A route can appear in OSPF information but not become the installed route.
TExam Day Tips
- Check area mismatch first when OSPF adjacency fails.
- Review passive interfaces when a network is advertised but no neighbour forms.
- Use show ip ospf neighbor and show ip route clues carefully.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A developer needs to launch a test server for a new application prototype. The developer logs into the AWS Management Console, selects an Amazon EC2 instance type, configures the security group, and starts the instance. The instance is running within two minutes, and the developer did not need to submit a formal request to the company's IT procurement team or wait for approval from a cloud administrator. Which essential characteristic of cloud computing does this scenario best demonstrate?
Question 2
A solutions architect is planning a new web application on AWS. The workload will include 3 Amazon EC2 instances (t3.medium) running 24/7, an Application Load Balancer, and an Amazon RDS for MySQL db.t3.small database. The architect needs to estimate the monthly cost for the first year, considering different purchasing options (On-Demand, 1-year All Upfront Reserved Instance, and Compute Savings Plan). Which AWS tool should the architect use to create this estimate?
Question 3
A company's development team frequently needs temporary test environments. A developer can log into the AWS Management Console, select an Amazon EC2 instance type, configure storage, and launch the instance within minutes without any interaction with the IT infrastructure team. This capability is an example of which essential characteristic of cloud computing?
Question 4
A company's finance team needs to analyze AWS spending in detail. They require a report that includes hourly cost data for each AWS service, each individual resource (e.g., a specific EC2 instance), and any cost allocation tags applied. The team plans to export this data to an Amazon S3 bucket and then import it into a custom business intelligence (BI) analytics dashboard. Which AWS tool should the finance team use to generate this level of detailed cost data?
Question 5
A company uses AWS for its development environment. The finance team wants to set a monthly budget of $10,000. They want to receive an email notification when the actual costs reach 80% of the budget ($8,000) and again when costs exceed the budget. The team needs a managed AWS service that can automatically send these alerts without requiring custom code or third-party tools. Which AWS service should the team use?
Question 6
A company uses AWS Organizations to manage multiple accounts. The security team needs to enforce a policy that restricts SSH access (port 22) from the internet (0.0.0.0/0) in all VPCs across all accounts. The team wants to centrally define the allowed rules and automatically apply them to newly created VPCs and security groups, while also automatically remediating any existing non-compliant security groups. Which AWS service should the team use?
FAQ
Questions learners often ask
What does this CLF-C02 question test?
OSPF neighbours must agree on key parameters.
What is the correct answer to this question?
The correct answer is: AWS Regions — AWS Regions are geographically isolated areas that consist of multiple Availability Zones. Data residency regulations require that data remain within a specific geographic boundary. By selecting an AWS Region located within the EU (e.g., Frankfurt or Ireland), the company can meet its compliance requirement. Availability Zones, Edge Locations, and Local Zones are all components of the global infrastructure, but the primary decision for data residency starts with choosing an appropriate Region. Availability Zones exist within a Region and are in the same geographic area, but they do not allow cross-country placement. Edge Locations are used for content caching and do not host primary compute or storage. Local Zones extend a Region but are still part of the parent Region's country.
What should I do if I get this CLF-C02 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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