I need to buy a laptop

It must be able to connect to an industry standard wired LAN and under ideal conditions, transfer the equivalent of 12.5 million characters to another computer in one sec. * For this requirement need 100 mbps LAN port.

# how can I check that my laptop has 100 mbps LAN port and where can I find this lanport option in laptop?

It must be able to connect to an industry standard WLAN and under ideal condition, transfer the equivalent of 6.75 million characters to another computer in one sec. * For this requirement laptop need WiFi adaptor and WiFi capability.

# How can I find or where can I find in my laptop that it has WiFi adaptor and WiFi capability for 54 mbps??

Must be able to connect two peripheral devices to the computer to which the computer can transfer more than 25 million characters per sec..

#How do I know or where can I find in laptop that has this option?

Must be able to creat and play back audio and video files through built in or peripheral hardware devices.

#in laptop where are this options and what are those options?

Please if possible send screenshot for find out the options

Thanks in advance