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200-301 · Question #851
200-301 Question #851: Real Exam Question with Answer & Explanation
The correct answer is A: DNS. The Domain Name System (DNS) is a critical component in cloud architectures, providing essential name resolution services for discovering and connecting to cloud resources.
Submitted by tunde_lagos· Mar 5, 2026Network Fundamentals
Question
Which technology is a critical component of a cloud-based architecture?
Options
- ADNS
- BMPLS
- CDHCP
- DIPv6
Explanation
The Domain Name System (DNS) is a critical component in cloud architectures, providing essential name resolution services for discovering and connecting to cloud resources.
Common mistakes.
- B. MPLS is a data-carrying mechanism for high-performance networks, often used by service providers, but it is not a universally critical component that defines a cloud architecture itself.
- C. DHCP is used for dynamic IP address assignment within a local network, including within cloud virtual networks, but DNS is more critical for the global accessibility of cloud services.
- D. IPv6 is an essential networking protocol, particularly for addressing future scalability needs, but many cloud services still extensively rely on IPv4, making DNS more universally critical for cloud resource access regardless of IP version.
Concept tested. Foundational cloud networking components
Reference. https://learn.microsoft.com/en-us/azure/architecture/guide/technology-choices/networking-options
Topics
#DNS#Cloud architecture
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