What does a network backbone do? allows data to be delivered more quickly and efficiently
makes data transfer from the cloud more secure
connects different network functions, such as printers and modems
configures random local networks in major cities that make up the Internet

How can you know if the person or organization providing the information has the credentials and knowledge to speak on this topic? one clue is the type of web site it is--the domain name ".org" tells you that this site is run by a nonprofit organization.

Working on this program in python 3.7: a year in the modern gregorian calendar consists of 365 days. in reality, the earth takes longer to rotate around the sun. to account for the difference in time, every 4 years, a leap year takes place. a leap year is when a year has 366 days: an extra day, february 29th. the requirements for a given year to be a leap year are: 1) the year must be divisible by 42) if the year is a century year (1700, 1800, the year must be evenly divisible by 400some example leap years are 1600, 1712, and 2016.write a program that takes in a year and determines whether that year is a leap year.ex: if the input is 1712, the output is: 1712 is a leap year. ex: if the input is 1913, the output is: 1913 is not a leap year. your program must define and call the function isleapyear(useryear). the function should return true if the input year is a leap year and false otherwise.

Hashtags serve to identify the topic of a given tweet true false