CompTIA Network+ Vocabulary List Flashcards
10Base-T
Ethernet standard for 10 Mbps over twisted-pair cabling.
100Base-TX
Ethernet standard for 100 Mbps over twisted-pair cabling.
802.1Q
VLAN tagging protocol in Ethernet frames.
802.11ac
Wi-Fi standard for high-speed wireless networks.
802.11ax
Wi-Fi 6 standard for next-generation wireless networks.
ACL (Access Control List)
List defining permissions for users and systems.
ADSL (Asymmetric Digital Subscriber Line)
DSL variant with different upload and download speeds.
ARP (Address Resolution Protocol)
Protocol for mapping IP addresses to MAC addresses.
Asynchronous Transmission
Data transmission without synchronization.
Bandwidth
Data transfer capacity of a network.
BGP (Border Gateway Protocol)
Protocol for exchanging routing information between networks.
Bitrate
Number of bits transmitted per second.
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
CSMA/CD (Carrier Sense Multiple Access with Collision Detection)
Network protocol to avoid collisions in wireless networks.
Broadcast Domain
A network segment where a broadcast packet is forwarded to all devices.
CSMA/CD (Carrier Sense Multiple Access with Collision Detection)
Network protocol to detect and handle collisions in Ethernet networks.
Data Link Layer
Layer 2 of the OSI model, responsible for node-to-node data transfer.
DNS (Domain Name System)
System that translates domain names to IP addresses.
DHCP (Dynamic Host Configuration Protocol)
Protocol for dynamically assigning IP addresses to devices.
EIGRP (Enhanced Interior Gateway Routing Protocol)
Advanced distance-vector routing protocol.
Encapsulation
Process of wrapping data with necessary protocol information.
Ethernet Frame
Structure for data packets in Ethernet networks.
Firewall
Device or software to block unauthorized access to a network.
Full-Duplex
Communication where data can be sent and received simultaneously.
Frame Relay
WAN protocol for connecting networks.
FTP (File Transfer Protocol)
Protocol for transferring files between systems.
Half-Duplex
Communication where data can be sent and received, but not simultaneously.
Gateway
Device that connects different networks.
Hop
Each pass through a router in a network path.
ICMP (Internet Control Message Protocol)
Protocol for error messages and operational information.
IGMP (Internet Group Management Protocol)
Protocol for managing multicast group memberships.
IPv4
Internet Protocol version 4, using 32-bit addresses.
IPv6
Internet Protocol version 6, using 128-bit addresses.
ISDN (Integrated Services Digital Network)
Circuit-switched telephone network system.
Jitter
Variation in packet arrival time.
Latency
Time delay in data transmission.
MAC Address
Unique identifier for network interfaces.
MIMO (Multiple Input Multiple Output)
Wireless technology to increase throughput.
MPLS (Multiprotocol Label Switching)
Technique for speeding up network traffic flow.
MTU (Maximum Transmission Unit)
Largest size of a packet that can be sent over a network.
NAT (Network Address Translation)
Translating private IP addresses to a public IP address.