SY0-701 Domain 1: General Security Concepts

What is the typical use of a public key?

Multiple choice — select one answer

Answer choices

  1. a. Data encryption
  2. b. Data decryption
  3. c. User/device authentication
  4. d. All of the above

Architectural breakdown & explanation

A public key is typically used to encrypt data that only the matching private key can decrypt.

Correct answer(s): a. Data encryption

Exam domain: Domain 1: General Security Concepts (12% weight on the official guide).

Official documentation & study links

Practice this certification

This page is one question from the CompTIA Security+ bank. Run a full timed practice exam with domain-weighted random questions in your browser.