Near field communication (NFC)
Confirm the authenticity of data. Digital signature provides both integrity and non-repudiation.
The indexed versions don't agree on this one
This question appears on 16 CBT versions we've indexed, and they don't all give the same answer. Exam editions change and answer keys get re-cut, so more than one of these was correct on the test it came from. Here is each of them, and how many versions give it.
Confirm the authenticity of data. Digital signature provides both integrity and non-repudiation.
Comptia Sec+ 601 Exam Objectives · Comptia Sec+ Objectives 601 · Comptia Security + Objectives 601 · +5 more
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 · Comptia A+ Notes · Comptia Notes
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
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
A unique number that represents the actual user associated with a particular SIM card. The IMSI is usually available from the carrier, to ensure that stolen phones are not misused. The IMSI number can be used to unlock a phone as well
Mike Meyers Comptia Videos
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