COMPTIA A+ CERTIFICATION
COMPREHENSIVE TEST 2026 STUDY GUIDE
SOLVED QUESTIONS
◉ Document findings/lessons learned. Answer: The final step in
troubleshooting, where the process and outcomes are recorded for
future reference.
◉ Connection methods. Answer: Various ways to connect devices,
including USB, Bluetooth, and NFC.
◉ File Transfer Protocol (FTP). Answer: A standard network
protocol used for transferring files between a client and server.
◉ Secure Shell (SSH). Answer: A cryptographic network protocol for
operating network services securely over an unsecured network.
◉ Telnet. Answer: A protocol used to provide a command-line
interface for communication with a remote device.
◉ Simple Mail Transfer Protocol (SMTP). Answer: An Internet
standard for email transmission across IP networks.
,◉ Domain Name System (DNS). Answer: A hierarchical system for
naming resources on the Internet, translating domain names to IP
addresses.
◉ Dynamic Host Configuration Protocol (DHCP). Answer: A network
management protocol used to automate the process of configuring
devices on IP networks.
◉ Hypertext Transfer Protocol (HTTP). Answer: An application
protocol for distributed, collaborative, hypermedia information
systems, primarily used for transmitting web pages.
◉ Post Office Protocol 3 (POP3). Answer: An Internet standard
protocol for receiving email by downloading it to a local computer.
◉ Internet Mail Access Protocol (IMAP). Answer: An Internet
standard protocol that allows users to access and manage their
email on a remote mail server.
◉ Network Basic Input/Output System (NetBIOS). Answer: A
networking protocol that allows applications on different computers
to communicate within a local area network.
◉ Lightweight Directory Access Protocol (LDAP). Answer: An
application protocol for accessing and maintaining distributed
, directory information services over an Internet Protocol (IP)
network.
◉ Hypertext Transfer Protocol Secure (HTTPS). Answer: An
extension of HTTP that uses SSL/TLS to provide secure
communication over a computer network.
◉ Server Message Block (SMB). Answer: A network file sharing
protocol that allows applications to read and write to files and
request services from server programs.
◉ Remote Desktop Protocol (RDP). Answer: A proprietary protocol
developed by Microsoft that provides a user with a graphical
interface to connect to another computer.
◉ Domain-based Message Authentication, Reporting, and
Conformance (DMARC). Answer: An email authentication protocol
that helps protect domains from being used for email spoofing.
◉ Mail exchanger (MX). Answer: A type of resource record in DNS
that specifies a mail server responsible for receiving email on behalf
of a domain.
◉ Text (TXT). Answer: A type of DNS record used to provide text
information to sources outside of your domain.
COMPREHENSIVE TEST 2026 STUDY GUIDE
SOLVED QUESTIONS
◉ Document findings/lessons learned. Answer: The final step in
troubleshooting, where the process and outcomes are recorded for
future reference.
◉ Connection methods. Answer: Various ways to connect devices,
including USB, Bluetooth, and NFC.
◉ File Transfer Protocol (FTP). Answer: A standard network
protocol used for transferring files between a client and server.
◉ Secure Shell (SSH). Answer: A cryptographic network protocol for
operating network services securely over an unsecured network.
◉ Telnet. Answer: A protocol used to provide a command-line
interface for communication with a remote device.
◉ Simple Mail Transfer Protocol (SMTP). Answer: An Internet
standard for email transmission across IP networks.
,◉ Domain Name System (DNS). Answer: A hierarchical system for
naming resources on the Internet, translating domain names to IP
addresses.
◉ Dynamic Host Configuration Protocol (DHCP). Answer: A network
management protocol used to automate the process of configuring
devices on IP networks.
◉ Hypertext Transfer Protocol (HTTP). Answer: An application
protocol for distributed, collaborative, hypermedia information
systems, primarily used for transmitting web pages.
◉ Post Office Protocol 3 (POP3). Answer: An Internet standard
protocol for receiving email by downloading it to a local computer.
◉ Internet Mail Access Protocol (IMAP). Answer: An Internet
standard protocol that allows users to access and manage their
email on a remote mail server.
◉ Network Basic Input/Output System (NetBIOS). Answer: A
networking protocol that allows applications on different computers
to communicate within a local area network.
◉ Lightweight Directory Access Protocol (LDAP). Answer: An
application protocol for accessing and maintaining distributed
, directory information services over an Internet Protocol (IP)
network.
◉ Hypertext Transfer Protocol Secure (HTTPS). Answer: An
extension of HTTP that uses SSL/TLS to provide secure
communication over a computer network.
◉ Server Message Block (SMB). Answer: A network file sharing
protocol that allows applications to read and write to files and
request services from server programs.
◉ Remote Desktop Protocol (RDP). Answer: A proprietary protocol
developed by Microsoft that provides a user with a graphical
interface to connect to another computer.
◉ Domain-based Message Authentication, Reporting, and
Conformance (DMARC). Answer: An email authentication protocol
that helps protect domains from being used for email spoofing.
◉ Mail exchanger (MX). Answer: A type of resource record in DNS
that specifies a mail server responsible for receiving email on behalf
of a domain.
◉ Text (TXT). Answer: A type of DNS record used to provide text
information to sources outside of your domain.
