Table of Contents
- 1 Why does a computer need an IP address to access the Internet?
- 2 Why does a device connected to the Internet need both an IP and MAC address?
- 3 What role does an IP address play in connecting to the Internet?
- 4 What is the need for a computer address at the IP layer when computers also have a MAC address?
- 5 What does it mean if another device is using my IP address?
- 6 What does it mean WIFI does not have an IP address?
Why does a computer need an IP address to access the Internet?
In essence, IP addresses are the identifier that allows information to be sent between devices on a network: they contain location information and make devices accessible for communication. The internet needs a way to differentiate between different computers, routers, and websites.
Why does a device connected to the Internet need both an IP and MAC address?
So again, IP Addresses are logical and routeable addresses. And that’s why computers have both MAC Addresses and IP Addresses. MAC Addresses handle the physical connection from computer to computer while IP Addresses handle the logical routeable connection from both computer to computer AND network to network.
What role does an IP address play in connecting to the Internet?
One of those networking protocols on your computer, the Internet Protocol, is responsible for addressing, delivering and routing your online requests precisely. It attaches an “electronic return address” to all your online requests and activity for you. The address it uses is the IP address for your connection.
Why does it say my WIFI has no IP address?
If a computer is unable to configure a valid Internet Protocol address, it can’t connect to a network. If you plug a laptop directly into a modem with an Ethernet cable and receive a “No Valid IP Address” error, there could be a problem with the hardware setup or the Internet Service Provider.
Why is my computer not getting an IP address?
Might be due to weak network coverage the PC is not able to connect to the router hence and adequately might not able to request an IP address. Head to Network and Connection tab in the control panel. Right Click on the network connection you are having a problem with and then click on repair.
What is the need for a computer address at the IP layer when computers also have a MAC address?
What is the need for a computer address at the IP layer when computers also have a MAC address? MAC addresses are local to a network, but IP addresses are global identifiers. The use of two different addresses enables technology independence so that the MAC technology can change without any change in IP.
What does it mean if another device is using my IP address?
Every device has to have a unique private IP address on the local network, and if you’ve manually configured your hardware’s network settings to use a specific number, it’s possible you’re seeing the “Another device is using your IP address” alert because the DHCP/NAT combination has assigned out an address you set by …
What does it mean WIFI does not have an IP address?
The “Failed to obtain IP address” error usually shows up when accessing a Wi-Fi network, whether it is new or one you have saved on your device. This error message means the router is having problems issuing an IP address to your device.