CompTIA Network+ (N10-007) — Question 456

Which of the following is a system of notation that uses base 16 rather than base 10?

Answer options

• A. Hex
• B. Octal
• C. Binary
• D. CIDR

Correct answer: A

Explanation

The correct answer is Hex, which is a base 16 numbering system commonly used in computing. Octal uses base 8, Binary operates in base 2, and CIDR is a method for allocating IP addresses, none of which relate to base 16.