Answer:

Explanation:
Router. A router is a networking device typically used to interconnect LANs to form a wide area network (WAN) and as such is referred to as a WAN device. IP routers use IP addresses to determine where to forward packets. An IP address is a numeric label assigned to each connected network device.
Fям:-
Answer:
examples are:
com or .edu is a top-level domain name (TLD)
cornell.edu is a second-level domain name (SLD)
bigred.cornell.edu is a third-level or three-part domain name
project.bigred.cornell.edu is a fourth-level or four-part domain name
hope this helps you.
Answer:
focuses on a certain subject
Explanation:
it means that it focuses on that one subject and none others
Hope it helps c:
Social media is so powerful in this generation because it is able to reach many different corners of the world. It is not only used merely for communication but also sometimes or most of the times for business. For Lindsay, the use of social media will allow her to increase the size of the customer base. The answer is letter A.