Quiz 3 Flashcards
Home Network
Connects devices to the internet via modem/router.
ISP
Internet Service Provider; monthly payment for internet access.
IP Address
Unique identifier for devices on the internet.
DHCP
assigns IP addresses.
DNS
translates domain names to IP addresses.
Packets
Data units sent between computers over the internet.
TCP/IP
Protocol suite for reliable data transmission.
Ports
Standardized numbers for different internet services.
HTTP
Hypertext Transfer Protocol; used for web communication.
HTTPS
Secure version of HTTP, uses SSL
UDP
no delivery guarantee, used for streaming.
IPv4
Current IP address format; 32-bit, ~4 billion addresses.
IPv6
Future IP address format; 128-bit, ~340 undecillion addresses.
Private IP Address
Non-routable IPs for internal networks, e.g., 192.168.x.x.
Subnet Mask
Determines network and host portions of an IP address.
Router
Device that routes data between networks.
Gateway
Router that connects different networks.
Traceroute
Tool to measure data transfer time across networks.
Fragmentation
Dividing data into smaller packets for transmission.
Return Address
IP address of the sender in packet communication.
Delivery Address
IP address of the intended recipient in packets.
Sequence Numbers
Used by TCP to order packets correctly.
Root Servers
DNS servers that know where to find IP addresses.
Service Port
Port number indicating specific service type.
SSL
Secure Sockets Layer; encryption for secure communications.
