SOHO Network Flashcards
(22 cards)
What is a SOHO Router?
Connects a small LAN to the Internet.
What connects wired devices in a SOHO router?
Ethernet Switch (Layer 2).
What connects wireless devices in a SOHO router?
Wireless Access Point (WAP).
How are devices identified in a network?
MAC Address (Unique hardware address).
What gives IP addresses automatically in a SOHO?
DHCP Server inside the router.
What private IP range is commonly used in SOHO?
192.168.x.x
What kind of IP does ISP assign to your router?
Public IP (e.g., 203.x.x.x).
What manages traffic based on IPs and ports?
Firewall.
How is Wi-Fi access protected?
WPA2/WPA3 encryption + Password.
What is CPE?
Customer Premises Equipment (Router/Modem at your location).
What is a Demarcation Point (Demarc)?
Where telco’s network ends and customer’s network begins.
Who manages global IP addresses and domain names?
IANA (Internet Assigned Numbers Authority).
Who writes Internet standards and protocols?
IETF (Internet Engineering Task Force).
OSI Layer 1 device function?
Physical connections: LAN ports, antennas, WAN port.
OSI Layer 3 device function?
Routing between private LAN and public Internet.
OSI Layer 4 device function?
Port management for applications, firewall control.
OSI Layer 7 device function?
Application services: web, email, file sharing.
How do you convert Decimal to Binary?
Divide by 2, write remainders, read bottom to top.
How do you convert Decimal to Hex?
Divide by 16, remainder becomes 0-9 or A-F.
How do you convert Binary to Decimal?
Multiply each bit by powers of 2 and add up.
How do you convert Hex to Decimal?
Multiply each digit by powers of 16 and add up.
