CompTIA Sec+ Acronyms Exam
Questions and Answers (Latest
Update 2026)
KDC -
correct answer ✅Key Distribution Center: Stores and maintains
cryptographic session keys.
HSM -
correct answer ✅Hardware Security Module: Physical External
Device that stores cryptographic keys for protection.
ICMP -
correct answer ✅Internet Control Message Protocol: Error
Reporting Protocol that generates error messages when source IP
address has trouble connecting to another network (Failed ping
attempt)
SLE -
correct answer ✅Single Loss Expectancy: Money loss from a
SINGLE incident.
ARO -
correct answer ✅Annualized Rate of Occurrence: Probability that a
risk will occur in a particular year.
, CompTIA Sec+ Acronyms Exam
Questions and Answers (Latest
Update 2026)
ALE -
correct answer ✅Annualized Loss Expectancy: Expected money
loss from an asset over the course of a year.
MTBF -
correct answer ✅Mean Time Before Failure: The time before a
device fails. A higher MTBF is always better.
MTTF -
correct answer ✅Mean Time To Failure: How long a device will last
before it fails.
MTTR -
correct answer ✅Mean Time To Recovery: How long it will take to
fix a device after failure.
APT -
correct answer ✅Advanced Persistent Threat: When a higher
intelligence party persistently attacks your assets with purpose.
Questions and Answers (Latest
Update 2026)
KDC -
correct answer ✅Key Distribution Center: Stores and maintains
cryptographic session keys.
HSM -
correct answer ✅Hardware Security Module: Physical External
Device that stores cryptographic keys for protection.
ICMP -
correct answer ✅Internet Control Message Protocol: Error
Reporting Protocol that generates error messages when source IP
address has trouble connecting to another network (Failed ping
attempt)
SLE -
correct answer ✅Single Loss Expectancy: Money loss from a
SINGLE incident.
ARO -
correct answer ✅Annualized Rate of Occurrence: Probability that a
risk will occur in a particular year.
, CompTIA Sec+ Acronyms Exam
Questions and Answers (Latest
Update 2026)
ALE -
correct answer ✅Annualized Loss Expectancy: Expected money
loss from an asset over the course of a year.
MTBF -
correct answer ✅Mean Time Before Failure: The time before a
device fails. A higher MTBF is always better.
MTTF -
correct answer ✅Mean Time To Failure: How long a device will last
before it fails.
MTTR -
correct answer ✅Mean Time To Recovery: How long it will take to
fix a device after failure.
APT -
correct answer ✅Advanced Persistent Threat: When a higher
intelligence party persistently attacks your assets with purpose.
