A huge variety of networking hardware and software appeared. One challenge was to enable these different networks to communicate with each other. ARPA accomplished this by developing the , which created a true "network of networks," the current architecture of the Internet.

Internet Protocol (IP) is the correct answer of this question.

Explanation:

This was done by ARPA creating the internet protocol that created a true "network of networks," the current Internet architecture.A huge array of hardware and software networking has emerged. One challenge was to connect with each other through these different networks.

The Internet Protocol (IP) is an interface or set of rules to route and manipulate packets of data so that they can navigate through cables and reach the right goal.

For Example:- tcp, udp, http ,https ,ftp, dns, telnet, bgp etc.

answer is:

a). backstage view

explanation:

backstage view is the area where files and data about them is managed— creating, saving, printing, sending to others, inspecting for hidden metadata or personal information, and setting options. so in this way we can add many things to our document swiftly.

i hope you get the idea.

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.