Answer:
D: The protocols of the Internet are open and used by all devices connected to the network
Explanation:
There are billions of devices connected to the Internet, and hundreds of different kinds of devices: laptops, tablets, phones, refrigerators, handheld credit card readers, and so on. Protocols (standards) ensure that the variety of devices interact with each other smoothly. There are a lot of protocols! The Internet was designed with several layers of abstraction that sort the protocols according to what part of the process they support.
Answer:
c. nbtstat -a 193.145.85.202
Explanation:
Nbtstat is a TCP/IP utility which is used to display the current connections and statistics of TCP/IP using NetBIOS over TCP/IP (NetBT).
It is installed on a computer running Microsoft Windows when the TCP/IP protocol stack is installed.
Also, it is very useful when we want to troubleshoot NetBIOS name resolution problems.
One can run nbtstat -a < ComputerName > to obtain the local NetBIOS name table on <ComputerName> and its MAC address
The gear ratios would look like A:B=1:9 and C:D=1:32 if you are just needing the gear teeth ratio. Not a lot of information to go off of from the question though
You can compress them. ZIP is the most well known protocol.