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AWS Certification Cloud Practitioner 2023 past questions and answers

This 2023 AWS Certification Cloud Practitioner set has 20 practice questions. Try these 5 free sample questions, tap a question to reveal the answer and explanation. Then practise the whole 2023 set with instant marking.

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Sample AWS Certification Cloud Practitioner 2023 questions

1. A small software company wants to make its application available to customers in several countries without building data centers in each location. Which benefit of the AWS Cloud best supports this goal?
  1. Global reach
  2. Dedicated physical servers in every customer location
  3. A fixed amount of compute capacity
  4. Elimination of all application latency

Answer: A. Global reach

AWS Regions and edge locations let the company deploy and deliver services across geographic areas without building its own facilities. Global reach does not guarantee zero latency, as option D claims.

2. A company runs application servers in private subnets. The servers must download operating-system patches from the internet, but they must not accept unsolicited inbound internet connections. Which solution meets these requirements with the least exposure?
  1. Assign public IPv4 addresses to the servers and attach an internet gateway to each subnet
  2. Route outbound traffic through a NAT gateway in a public subnet
  3. Place the servers in a public subnet and allow inbound connections from any address
  4. Use a bastion host as a proxy for all patch downloads

Answer: B. Route outbound traffic through a NAT gateway in a public subnet

A NAT gateway allows instances in a private subnet to initiate outbound connections while preventing unsolicited inbound connections. Public IPs expose the instances more directly, and a bastion host is for administrative access rather than general outbound patching.

3. A company is moving a relational database to AWS and needs to replicate ongoing database changes while the migration is in progress. Which AWS service is designed for this database migration task?
  1. AWS DataSync
  2. AWS Glue
  3. AWS Database Migration Service (AWS DMS)
  4. AWS Snowball

Answer: C. AWS Database Migration Service (AWS DMS)

AWS DMS can migrate databases and replicate ongoing changes to help keep the target synchronized during migration. DataSync is for file and object data transfers, while Glue is an ETL service.

4. Before migrating an application, a team wants to estimate the cost of a proposed AWS architecture using planned services, Regions, and usage assumptions. Which tool is most appropriate?
  1. AWS Cost Explorer
  2. AWS Budgets
  3. AWS Cost and Usage Report
  4. AWS Pricing Calculator

Answer: D. AWS Pricing Calculator

AWS Pricing Calculator estimates costs for a planned architecture based on selected services and usage. Cost Explorer and the Cost and Usage Report analyze actual billing data, while Budgets tracks spending against thresholds.

5. A business replaces a large upfront purchase of servers with charges that vary according to the AWS resources it consumes. Which cloud economic benefit does this illustrate?
  1. Trading fixed expenses for variable expenses
  2. A requirement to own data-center hardware
  3. Paying the same amount regardless of usage
  4. Eliminating the need to monitor resource usage

Answer: A. Trading fixed expenses for variable expenses

Usage-based cloud pricing lets a business pay for resources as it consumes them rather than making the same large upfront hardware investment. It does not mean costs are fixed or that usage monitoring is unnecessary.

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