That depends on your requirements and the environment; I don't believe one could say that any particular network cabling is the "most reliable", since it depends on a lot of other factors.
Dish Network performed better when I was in an area that had no cable compared to DirecTV.
Comcast
The Belkin USB F5L009 is considered one of the most reliable products on the market.
'America's Largest and Most Reliable Network.'
You can view Most Can't the Least Metalocalypse from Adult Swim American cable network on YouTube.
As I do not know where you are located, and therefore cannot select which companies are most reliable in your area, I suggest visiting www.consumerreports.org to read reviews and ratings for all cable and phone providers.
Cable internet is very reliable and provides high speed internet for an affordable price. Cable provides the most consistent internet and you should not expect much slow service at all. As a cable customer, I rarely have any problems.
Wireless internet is the most reliable type on the market. It has far fewer outages.
A network tree is used to show the arrangement of various elements of a computer network. It may be depicted physically or logically and is the topological structure of the network.
NO PSTN NETWORKS ARE NOT RELIABLE. The PSTN is he telephone network that links the world together. The 1st answer has some truth to it, but most of the time (except in the case of fios of other fiber services) you do use the PSTN (Public Switched Telephone Network) to connect to the internet as is in the case of dial up and dsl. However the internet is partly a pstn network and when is the last time the entire internet went down, all across the world. The internet is the worlds most reliable network, and the largest. How the PTSN works, is a whole book (or two) in its own, being compromised of millions, possibly billions of miles of cable and many various satellite, radio, and cable networks within its self. The electrical grid is much less reliable since outages happen several times a year while I've only had mabye 1 phone outage in my life.
The most common for LANs is UTP category 5 or better cable.
Unshielded twisted-pair (UTP)