CLF-C02 Question #9: Real Exam Question with Answer & Explanation

Question

How does AWS Cloud computing help businesses reduce costs? (Choose two.)

Options

• AAWS charges the same prices for services in every AWS Region.
• BAWS enables capacity to be adjusted on demand.
• CAWS offers discounts for Amazon EC2 instances that remain idle for more than 1 week.
• DAWS does not charge for data sent from the AWS Cloud to the internet.
• EAWS eliminates many of the costs of building and maintaining on-premises data centers.

Explanation

AWS Cloud Cost Reduction

AWS helps businesses reduce costs in two key ways: capacity on demand (B) means you only pay for what you use, scaling up during peak times and down during slow periods - eliminating waste from over-provisioning. Eliminating on-premises data center costs (E) removes the burden of capital expenditures like hardware, physical security, cooling systems, and maintenance staff, converting them to predictable operational expenses.

The distractors are incorrect because: (A) AWS pricing actually varies by Region, so costs differ depending on where services are deployed. (C) AWS does not offer discounts for idle EC2 instances - idle resources still incur charges, which is why right-sizing matters. (D) AWS does charge for outbound data transfer to the internet (egress fees), which is an important billing consideration.

💡 Memory Tip: Think of the two pillars of cloud savings as "Pay as you Grow" (elasticity/on-demand = B) and "No More Server Rooms" (eliminate data center costs = E). If an answer sounds "too good to be free" or "too generous," it's likely a distractor - AWS still charges for idle resources and outbound data!

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