Near field communication (NFC)
Confirm the authenticity of data. Digital signature provides both integrity and non-repudiation.
Alternate answers seen on other CBTs
The same question shows up worded slightly differently across CBT versions. Here are the other answer variants we've indexed.
Provide communication over a short distance that is intended for use with devices that are owned and operated by a single user
Comptia A+ Core 1 Study Guide →Proprietary home automation networking • Internet of Things (IoT) • Control lights, locks, garage doors, etc. Wireless mesh networking • Nodes can hop through other nodes on the way to the destination Uses the ISM band • Industrial, Scientific, and Medical • 900 MHz frequencies in the US • No conflicts with 802.11
Comptia A+ Course Notes →A set of standards primarily for smartphones and smart cards that can be used to establish communication between devices in close proximity.
Comptia Exam Objectives Security+ →A short‐range communication technology that lets users hold their phone next to someone else's and transfer data or bump their phone to a receiver at a store to pay for a purchase.
Comptia Fundamentals Study Guide →A 24-bit value used in WEP that changes each time a packet is encrypted.
Comptia Sec Plus Objectives →