6 SOHO Network Setup and Troubleshooting Free Online FlashCards

Where do the modem/ONT and wired clients connect on a router?

Connect the modem or ONT to the router’s WAN/Internet port; connect wired clients or a switch to the router’s LAN ports.

What is the role of a modem or ONT?

A modem or ONT connects the premises to the ISP.

What is a client’s default gateway?

The default gateway is the router address that clients use to reach other networks.

What network settings does DHCP provide to clients?

DHCP automatically provides clients with an IP address and network settings, such as the gateway and DNS server.

Which IPv4 ranges are reserved for private networks?

The private IPv4 ranges listed are 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16. They are reserved for private networks and are not globally routable on the public internet.

Which Wi-Fi security mode should a SOHO network use?

Choose WPA3-Personal when all devices support it; otherwise use WPA2-Personal. Avoid obsolete WEP or WPA security modes.

Which port does DNS commonly use, and over which transport?

DNS commonly uses UDP port 53; it also uses TCP port 53 in some cases.

What can an IP address beginning with 169.254 indicate?

An address beginning with 169.254 can indicate that the device did not receive valid DHCP settings.

What does a router do in a SOHO network?

A router connects the local network to the ISP network and routes traffic between them; it often also provides services such as DHCP, firewall protection, and Wi-Fi.

What purpose does an Ethernet switch serve?

A switch adds Ethernet ports so multiple wired devices can share a local network.

What does an access point provide?

An access point provides Wi-Fi access to a wired network. A router’s built-in Wi-Fi radio performs this function.

Why use a DHCP reservation for a printer?

A DHCP reservation ties a predictable address to a device while keeping address management in one place.