CompTIA A+ 220-1201 Exam Objectives

Vocabulary-style flashcards covering key terms, protocols, and concepts from the CompTIA A+ 220-1201 (Core 1) exam objectives.

Core 1 (220-1201)

The specific track of the CompTIA A+ certification exam focusing on mobile devices, networking technology, hardware, virtualization, cloud computing, and network troubleshooting.

ANAB

The ANSI National Accreditation Board, which accredits the CompTIA A+ exams to show compliance with the ISO 17024 standard.

Passing Score (Core 1)

A score of $675$ on a scale of $100-900$.

Troubleshooting Methodology Step 1

Identify the problem.

Troubleshooting Methodology Step 2

Establish a theory of probable cause (question the obvious) and research knowledge bases if applicable.

Troubleshooting Methodology Step 3

Test the theory to determine the cause.

Troubleshooting Methodology Step 4

Establish a plan of action to resolve the problem and implement the solution.

Troubleshooting Methodology Step 5

Verify full system functionality and, if applicable, implement preventive measures.

Troubleshooting Methodology Step 6

Document findings/lessons learned, actions, and outcomes.

MDM (Mobile Device Management)

Software used to manage device configurations, policy enforcement, and corporate applications on mobile devices.

Port 22

The TCP port used for Secure Shell (SSH).

Port 53

The port used for Domain Name System (DNS).

Port 80

The port used for Hypertext Transfer Protocol (HTTP).

Port 443

The port used for Hypertext Transfer Protocol Secure (HTTPS).

Port 3389

The port used for Remote Desktop Protocol (RDP).

802.11

The set of standards for implementing wireless local area network (WLAN) computer communication.

RFID

Radio-frequency identification; a technology used for tracking or identification via radio waves.

Syslog

A standard for message logging that allows separation of the software that generates messages from the system that stores them.

AAA

Authentication, Authorization, and Accounting.

MX (Mail Exchanger) Record

A type of DNS record that directs email to a mail server.

PoE (Power over Ethernet)

A technology that allows network cables to carry electrical power.

APIPA

Automatic Private Internet Protocol Addressing; it assigns an address in the range of $169.254.0.1$ to $169.254.255.254$.

IPS (In-plane switching)

A type of LCD technology known for better color reproduction and wider viewing angles.

OLED

Organic light-emitting diode; a display technology where each pixel provides its own illumination.

T568A / T568B

The two standards used for wiring twisted-pair network cables and RJ45 connectors.

Plenum-rated

Cable jacketed with a fire-retardant plastic required for use in air handling spaces.

ECC (Error-correcting code) RAM

A type of memory that can detect and correct common kinds of internal data corruption.

NVMe

Non-volatile Memory Express; a high-speed communications interface for SSDs.

RAID 0

A RAID configuration focused on striping for performance without redundancy.

RAID 1

A RAID configuration focused on mirroring for data redundancy.

TPM

Trusted Platform Module; a hardware-based security feature used for encryption and secure boot.

SaaS

Software as a Service; a cloud model providing software over the internet.

IaaS

Infrastructure as a Service; a cloud model providing virtualized computing resources over the internet.

Type 1 Hypervisor

A bare-metal hypervisor that runs directly on the host's hardware.

Type 2 Hypervisor

A hypervisor that runs on top of an existing operating system.

S.M.A.R.T.

Self-monitoring Analysis and Reporting Technology; used to monitor hard drive health and predict failures.