Master ComptiaNetwork+ Network Concepts with our interactive study cards designed for effective learning. These flashcards use proven spaced repetition techniques to help you memorize key concepts, definitions, and facts. Perfect for students, professionals, and lifelong learners seeking to improve knowledge retention and ace exams through active recall practice.
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Physical Data Link Network Transport Session Presentation Application
Transmits raw bits over physical medium and defines hardware specifications
Provides node-to-node data transfer error detection and MAC addressing
Handles logical addressing routing and packet forwarding
Provides reliable or unreliable delivery and manages end-to-end connections
Establishes manages and terminates sessions between applications
Handles data formatting encryption and compression
Provides network services directly to end-user applications
HTTP HTTPS FTP SMTP DNS DHCP and SNMP
TCP and UDP
IP (Internet Protocol) and ICMP
Switches bridges and MAC addresses
Hubs repeaters cables and physical media
Transmission Control Protocol - connection-oriented reliable protocol
User Datagram Protocol - connectionless unreliable but faster protocol
TCP connection establishment using SYN SYN-ACK and ACK packets
Port 80
Port 443
Ports 20 (data) and 21 (control)
Port 22
Port 23
Port 25
Port 53 (UDP for queries TCP for zone transfers)
Ports 67 (server) and 68 (client)
Port 69
Port 110
Port 143
Ports 161 (agent) and 162 (trap)
Port 3389
32-bit address written as four octets in dotted decimal notation
Class A (1-126) Class B (128-191) Class C (192-223) Class D (multicast) Class E (experimental)
255.0.0.0 or /8
255.255.0.0 or /16
255.255.255.0 or /24
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255
127.0.0.1 used for testing local network stack
169.254.0.0 to 169.254.255.255 - automatic addressing when DHCP fails
128-bit address written as eight groups of four hexadecimal digits
::1
Address starting with FE80:: used for local network communication
Dividing a network into smaller sub-networks for better management and security
Classless Inter-Domain Routing notation using slash followed by prefix length (e.g. /24)
48-bit physical address burned into network interface cards
Six groups of two hexadecimal digits separated by colons or hyphens
Address Resolution Protocol - maps IP addresses to MAC addresses
Special address used to send data to all devices on a network
One-to-one communication between two devices
One-to-many communication to a specific group of devices
One-to-all communication to every device on the network segment
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