Answer:
C. The lines of competition are clearly defined in the more established industries, unlike the Internet where they are blurred and indistinct, as companies that compete
Explanation:
The first one is also correct, but it is a little bad for reading. D has a spelling error, and "companies competing" in B are a little blurred. All, except last, are correct. However, considering arrangements, the 'C 'option is the best.
<span>NCP are protocols that are used for establishing PPP sessions. </span>During the establishment of a PPP connection that will use the IPv4 network layer protocol the following options are negotiated: the algorithm to compress TCP and IP headers and the IPv4 address used for routing IP over the PPP link.
<span>There are some network modeling tools that can scan the existing network.</span>