The telephone network is the first and most well-known example of packet switching in use, and its implementation is discussed at length in this article. Is this really the most popular method of interaction in the modern world?

I know this is "broad" for computer science, as this concept is networking based.   So, I'm a cybersecurity student, I am good at pretty much everything else but networking in respect to the field (for a beginner obviously)   My question is as follows: Basically, I've been given a network with 100 hosts, 50 hosts, and 20 hosts.I've been given an IP address of 172.34.100.0 /17Basically, I've been told to plan out this VLSM and subnet this network, but I have no idea where to start. Can you help me out? Let me know if you require more info, I'd be happy to lend it.

Is it conceivable that the Internet might support programs in a number of different ways? These services differ from one another in a few crucial aspects, right?

More research needs to be done to better understand the significance of wireless networks in the developing nations of today, particularly those in Africa. In certain circumstances, the usage of actual wires is still necessary, while in others, wireless technology has completely replaced them. Is there any benefit to carrying out such an action, or are there any potential drawbacks?