About Grubhub. Grubhub helps you find and order food from wherever you are. How it works: you type in an address, we tell you the restaurants that deliver to that locale as well as showing you droves of pickup restaurants near you. Want to be more specific? Search by cuisine, restaurant name or menu item.
The main purpose of a router is to connect multiple networks and forward packets destined either for its own networks or other networks. A router is considered a Layer 3 device because its primary forwarding decision is based on the information in the Layer 3 IP packet, specifically the destination IP address.
A router is used to connect two or more networks while a modem is used to connect to a phone line. 2. A router only connects to RJ45 connectors while modems need an RJ45 and an RJ11 for the phone line. 3. A router provides security measures to protect your network but a modem does not.