1
What port would you use to connect the home router to the modem or ISP for internet access?
WAN (Wide Area Network)
A separate Wi-Fi network that allows visitors limited
internet-only access.
Guest Network
The IEEE standard that defines Wi-Fi (wireless LAN) networks.
802.11
The most common wired LAN technology that uses twisted-pair
cabling.
Ethernet
A high-speed cable that transmits data using light signals.
Fiber-Optic
Cable
The latest Wi-Fi security encryption standard used to protect
wireless data
WPA3
The name that identifies a wireless network.
SSID
A protocol that automatically assigns IP addresses to devices
on the network.
DHCP
define the rules that allow computers and devices to exchange and
understand data on a network.
Network Standards
developed by organizations such as IEEE and IETF to ensure all
devices communicate using the same rules.
Communication Protocols
organizes networking functions into four layers: Application,
Transport, Internet, and Network Access.
TCP/IP Model
describes seven layers used to explain and troubleshoot network
communication.
OSI Model
is the process of wrapping data with the necessary protocol information
before transmission.
Encapsulation
Each network interface card (NIC) has a unique ______________that identifies it on the
local network.
MAC Address
The ______________is the part of the network where end devices connect and switches
manage forwarding using MAC tables.
Access Layer
is a common type of Ethernet cabling that uses pairs of copper wires
twisted together to reduce interference.
Twisted-Pair Cable
Every device connected to a network has a unique logical identifier called an
______________, used for both local and remote communication.
IP Address Address
Port number and transport protocol for Hypertext Transfer Protocol (HTTP)
80, TCP
Port number and transport protocol for Post Office Protocol v3 (POP3)
110, TCP
Port Number: 53
Transport Protocol: UDP, TCP
DNS
● Address Family: IPv4 or IPv6
● Type: Unicast, Multicast, Broadcast, or Anycast
● Scope: Public, Private, or Reserved
192.168.1.1
IPv4, Unicast, Private
● Address Family: IPv4 or IPv6
● Type: Unicast, Multicast, Broadcast, or Anycast
● Scope: Public, Private, or Reserved
2001:4860:4860::8888
IPv6, Anycast ,Public
● Address Family: IPv4 or IPv6
● Type: Unicast, Multicast, Broadcast, or Anycast
● Scope: Public, Private, or Reserved
255.255.255.255
IPv4, Broadcast , Reserved
● Address Family: IPv4 or IPv6
● Type: Unicast, Multicast, Broadcast, or Anycast
● Scope: Public, Private, or Reserved
8.8.8.8
IPv4, Unicast, Public
● Address Family: IPv4 or IPv6
● Type: Unicast, Multicast, Broadcast, or Anycast
● Scope: Public, Private, or Reserved
172.16.20.25
IPv4, Unicast, Private