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an access point device is one of 2 things. a router, or wireless router connection usb device. with the usb device, you can connect an office computer wirelessly to a wireless router. in the situation of a laptop, it is always the router itself. some routers will require an access code to use.
A router is a hardware device that uses software to allow a computer user to gain access to the internet.
That depends on what you are attempting to do. If you are trying to access the internet, then no, a wireless router is not needed.
A wireless router, is a device that not only performs the functions of a router but also acts as a wireless access point. Wireless clients connect to the wireless router to access a common network, the router also often provides access to the internet.
network card
The default gateway is the first IP address of the device that a client computer will look for when attempting to gain access outside the local network. This device could be a router, server, or other similar device; it is the device that grants access to the internet or other networks.
ISR.
A Wireless router is a device that performs the functions of a router but also includes the functions of a wireless access point and a network switch.
The network administor must have physical access to the device to establish a console connection whereas TELNET access can be established form a remote location. However telnet access depend upon a router with network access's, whereas a console connection can be used to access the router regardless of the router's configuration.
Nowadays virtually any wireless router. When you get a router you usually have about 4 lan ports (switch) and wireless router in the same box.
Implement SSH and secure web access
A router