CompTIA Security+ 2026 |
Questions, Answers &
Rationales Study Guide
|Graded A+ | Guaranteed
success|
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, What does the acronym IDS denote? Intrusion Detection System
Which encryption method is more scalable? Asymmetric Encryption
What is the purpose of DLP? Data Loss Prevention (DLP) is a network system that monitors data on computers
to ensure the data is not deleted or removed.
Which port number does NTP use? port 123
Which backup method backs up every file on the server A full backup
each time it is run?
What is the term for an unauthorized access that a missed detection or false negative
network-based intrusion detection system (NIDS) fails to
detect?
Which alternate computing facility is the least expensive a cold site
to maintain before a disaster occurs?
What are the three basic questions answered by the chain who controlled the evidence, who secured the evidence, and who obtained the
of custody? evidence
Which term refers to the assurance that data has not data integrity
been altered in transmission?
What is the purpose of Platform as a Service (PaaS) in It provides not only a virtualized deployment platform but also a value-added
cloud computing? solution stack and an application development platform.
What does the acronym FCoE denote? Fibre Channel over Ethernet
At which OSI layer does IP Security (IPSec) operate? the Network layer (Layer 3)
What is meant by the term hardening? tightening control using security policies to increase system security
What do you use to control traffic from the Internet to a firewall
the LAN (local area network) by controlling the packets
that are allowed to enter the LAN?
According to CompTIA's Security+ examination blueprint, event logs, audit logs, security logs, and access logs
what are the four types of logs that you should monitor
for mitigation and deterrence?
Questions, Answers &
Rationales Study Guide
|Graded A+ | Guaranteed
success|
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, What does the acronym IDS denote? Intrusion Detection System
Which encryption method is more scalable? Asymmetric Encryption
What is the purpose of DLP? Data Loss Prevention (DLP) is a network system that monitors data on computers
to ensure the data is not deleted or removed.
Which port number does NTP use? port 123
Which backup method backs up every file on the server A full backup
each time it is run?
What is the term for an unauthorized access that a missed detection or false negative
network-based intrusion detection system (NIDS) fails to
detect?
Which alternate computing facility is the least expensive a cold site
to maintain before a disaster occurs?
What are the three basic questions answered by the chain who controlled the evidence, who secured the evidence, and who obtained the
of custody? evidence
Which term refers to the assurance that data has not data integrity
been altered in transmission?
What is the purpose of Platform as a Service (PaaS) in It provides not only a virtualized deployment platform but also a value-added
cloud computing? solution stack and an application development platform.
What does the acronym FCoE denote? Fibre Channel over Ethernet
At which OSI layer does IP Security (IPSec) operate? the Network layer (Layer 3)
What is meant by the term hardening? tightening control using security policies to increase system security
What do you use to control traffic from the Internet to a firewall
the LAN (local area network) by controlling the packets
that are allowed to enter the LAN?
According to CompTIA's Security+ examination blueprint, event logs, audit logs, security logs, and access logs
what are the four types of logs that you should monitor
for mitigation and deterrence?
