b check your blind spots frequently i guess not sure
The show CDP neighbor command operates at the Data link layer (Layer 2)
Cisco Discovery Protocol (CDP) is a proprietary Data Link Layer protocol developed by Cisco Systems. It is used to share information about other directly connected Cisco equipment, such as the operating system version and IP address.
Answer:
The ARPANET was the first network that provided commercial internet services. And also it was the first network to make use of the TCP/IP protocols. However, you need to know that the first ISP or the internet service provider was the Telenet, and it was the first commercial version of the ARPANET which was introduced in the year 1974. And this service started its service for the customers in the year 1989.
Explanation:
Please check the answer section.
I don't think so because the old computers may have not been to date as what we have now but check it out and see.
