CompTIA A+ Core 1 (220-1101) — Question 201

Which of the following describes traffic used to resolve the FQDN of a site into an IP address to help locate and browse websites appropriately?

Answer options

• A. DNS
• B. AAA
• C. SCADA
• D. IoT
• E. SQL

Correct answer: A

Explanation

The correct answer is A, DNS, which stands for Domain Name System, and is specifically designed for resolving domain names into IP addresses. The other options do not relate to this function: B (AAA) refers to authentication, authorization, and accounting; C (SCADA) pertains to industrial control systems; D (IoT) involves interconnected devices; and E (SQL) is a language for managing databases.