CompTIA Network+ N10-009 Acronyms

Vocabulary flashcards for CompTIA Network+ N10-009 acronyms.

ACL

Access Control List

AH

Authentication Header

AP

Access Point

API

Application Programming Interface

APIPA

Automatic Private Internet Protocol Addressing

ARP

Address Resolution Protocol

AUP

Acceptable Use Policy

BGP

Border Gateway Protocol

BNC

Bayonet Neill–Concelman

BSSID

Basic Service Set Identifier, a unique identifier, typically a MAC address, for a Wi-Fi access point (AP) within a wireless network. It's similar to how the Service Set Identifier (SSID) is the network name, but the BSSID ensures that devices connect to the correct AP within that named network. 

BYOD

Bring Your Own Device

CAM

Content-addressable Memory, a type of computer memory that allows searching for data based on its content rather than its address. Unlike traditional memory where you need to specify the address to retrieve data, CAM can search through its contents in parallel, returning the address of the matching data in a single operation, making it faster for applications like networking and database searching.

CDN

Content Delivery Network

CDP

Cisco Discovery Protocol

CIA

Confidentiality, Integrity, and Availability, the three core principles of information security, forming the foundation of protecting data and systems

CIDR

Classless Inter-domain Routing

CLI

Command-line Interface

CNAME

Canonical Name

CPU

Central Processing Unit

CRC

Cyclic Redundancy Check

DAC

Direct Attach Copper

DAS

Direct-attached Storage

DCI

Data Center Interconnect

DDoS

Distributed Denial-of-service

DHCP

Dynamic Host Configuration Protocol

DLP

Data Loss Prevention

DNS

Domain Name System

DNSSEC

Domain Name System Security Extensions

DoH

DNS over Hypertext Transfer Protocol Secure

DoS

Denial-of-service

DoT

DNS over Transport Layer Security

DR

Disaster Recovery

EAPoL

Extensible Authentication Protocol over LAN, Used for user authentication when connecting to a network, part of IEEE 802.1X

EIGRP

Enhanced Interior Gateway Routing Protocol

EOL

End-of-life

EOS

End-of-support

ESP

Encapsulating Security Payload

ESSID

Extended Service Set Identifier

EULA

End User License Agreement

FC

Fibre Channel

FHRP

First Hop Redundancy Protocol, networking protocols that provide redundancy for the default gateway (first hop) on a network, ensuring high availability and fault tolerance

FTP

File Transfer Protocol

GDPR

General Data Protection Regulation

GRE

Generic Routing Encapsulation, a tunneling protocol that encapsulates network layer packets within another IP packet for transmission over an IP network. It creates virtual point-to-point links between two network devices, allowing them to exchange packets as if they were directly connected.

GUI

Graphical User Interface

HTTP

Hypertext Transfer Protocol

HTTPS

Hypertext Transfer Protocol Secure

IaaS

Infrastructure as a Service

IaC

Infrastructure as Code

IAM

Identity and Access Management

ICMP

Internet Control Message Protocol

ICS

Industrial Control System

IDF

Intermediate Distribution Frame

IDS

Intrusion Detection System

IoT

Internet of Things

IIoT

Industrial Internet of Things

IKE

Internet Key Exchange

IP

Internet Protocol

IPAM

Internet Protocol Address Management

IPS

Intrusion Prevention System

IPSec

Internet Protocol Security

IS-IS

Intermediate System to Intermediate System

LACP

Link Aggregation Control Protocol, combines physical links into a single logical link to create redundancy

LAN

Local Area Network

LC

Local Connector

LDAP

Lightweight Directory Access Protocol

LDAPS

Lightweight Directory Access Protocol over SSL

LLDP

Link Layer Discovery Protocol, LLDP runs over the data link layer which allows two different devices to gather hardware and protocol information about neighboring devices that is useful in troubleshooting the network

MAC

Media Access Control

MDF

Main Distribution Frame

MDIX

Medium Dependent Interface Crossover, a type of Ethernet port connection that uses twisted-pair cabling

MFA

Multifactor Authentication

MIB

Management Information Base

MPO

Multifiber Push On, MPO stands for "Multi-Fiber Push On" and is a type of fiber optic connector that allows multiple optical fibers to be terminated within a single compact connector

MTBF

Mean Time Between Failure

MTTR

Mean Time To Repair

MTU

Maximum Transmission Unit

MX

Mail Exchange - DNS record for mail server

NAC

Network Access Control

NAS

Network-attached Storage

NAT

Network Address Translation

NFV

Network Functions Virtualization

NIC

Network Interface Cards

NS

Name Server

NTP

Network Time Protocol

NTS

Network Time Security

OS

Operating System

OSPF

Open Shortest Path First, a dynamic routing protocol used within an Autonomous System (AS) to find the most efficient paths for data transmission between routers. Think RIP and EIGRP

OSI

Open Systems Interconnection: Layer 1: Physical, Layer 2: Data-Link, Layer 3: Network, Layer 4: Transport, Layer 5: Session, Layer 6: Presentation, Layer 7: Application.

OT

Operational Technology

PaaS

Platform as a Service

PAT

Port Address Translation, a type of Network Address Translation (NAT) that allows multiple devices on a private network to share a single public IP address. It does this by modifying both the IP address and the port number of packets as they pass through a network device

PCI DSS

Payment Card Industry Data Security Standards

PDU

Power Distribution Unit

PKI

Public Key Infrastructure

PoE

Power over Ethernet

PSK

Pre-shared Key

PTP

Precision Time Protocol

PTR

Pointer Record - Used when querying a DNS server with an IP address to get the FQDN

QoS

Quality of Service