no
I don't know about fivewire ports but if you mean FireWire: FireWire ports are used by many video cameras and are commonly seen on Macintosh computers, however they are also seen on PCs.
No. USB is most popular.
"Firewire" is the term used for a certain type of serial port on computers. Similar uses are USB. The Name is 1394 for "FireWire". The term firewire was meant to express that it was a faster connection than standard serial or parallel ports.
network, FireWire, and serial.
Type ii
It depends what you mean by popular and who you are asking. The most commonly used connector is the USB port. If someone recorded a lot of video on a camera with a FireWire connection then the FireWire port would be quite popular with them.
USB is used for almost everything. A few years ago there was also Firewire but you don't often get that anymore
A firewire port is basically an early version of the USB or Universal Serial Bus. Firewire ports are considered by many to be obsolete. The firewire port is a square with a hole in the middle unlike the replacement USBs that are rectangular. Both are used for data transfer between hardware devices.
Most commonly, USB and Firewire. Though there are lots of different ways to do it, these are by far the most common.
Ethernet and modem.
It depends on the camera. Digital cameras will have either a Firewire or a USB connector and some have both. If the camera has both, it is likely that either can be used to transfer video to a computer although some older cameras used Firewire for video transfer and USB for still image transfer. It is always worth checking the camera's manual to find out the functions of the data ports.
A firewire or corssover cable can be used to connect any two computers that have these ports. However, a telephone modem can only be used to connect a computer to the internet.