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AI-900: How to Reduce Azure Costs by Removing Unused Public IP Addresses

Learn how to reduce your Azure costs by removing unused Public IP addresses. Find out how Azure charges for Public IP addresses and what factors to consider before deleting them.

Question

Tradewind Traders has recently migrated to Azure cloud services. The company has just completed a review of its current configuration and has discovered that there is a selection of unused resources currently in existence including multiple AD accounts, multiple groups, multiple public IP addresses, and multiple network interfaces. The company wants to reduce costs to a minimum. You recommend removing the unused Public IP addresses. Will this reduce the monthly costs?

A. Yes
B. No

Answer

A. Yes

Explanation

You are charged for public IP addresses. Therefore, deleting unused public IP addresses will reduce the Azure costs.

The correct answer is A. Yes, removing the unused Public IP addresses will reduce the monthly costs for Tradewind Traders. This is because Azure charges for Public IP addresses based on the SKU and the type of IP address (dynamic or static). According to the Azure pricing details for IP addresses, the following are the charges for Public IP addresses in Azure:

  • Basic SKU: For IPv4, dynamic IP addresses are charged at $0.004/hour and static IP addresses are charged at $0.0036/hour. For IPv6, dynamic IP addresses are free and static IP addresses are charged at $0.005/hour.
  • Standard SKU: For IPv4 and IPv6, static IP addresses are charged at $0.005/hour.
  • Global SKU: For IPv4 and IPv6, static IP addresses are charged at $0.01/hour.
  • Public IP prefix: For IPv4 and IPv6, public IP prefixes are charged per IP per hour. The charge depends on the SKU and the region. For example, in the US East region, the charge is $0.006 per IP/hour for Standard SKU and $0.012 per IP/hour for Global SKU.

Therefore, by deleting the unused Public IP addresses, Tradewind Traders can save money on their Azure bill. However, they should also consider the impact of removing the Public IP addresses on their network connectivity and security. For example, if they have any resources that rely on the Public IP addresses for inbound or outbound communication, they may need to update their configuration or use alternative methods such as NAT gateways or VPN gateways.

Microsoft Azure AI Fundamentals AI-900 certification exam practice question and answer (Q&A) dump with detail explanation and reference available free, helpful to pass the Microsoft Azure AI Fundamentals AI-900 exam and earn Microsoft Azure AI Fundamentals AI-900 certification.

Microsoft Azure AI Fundamentals AI-900 certification exam practice question and answer (Q&A) dump

Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook

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