17.It is a network device with two or four ports that is used to connect multiple network segments or to split a large network into two smaller, more efficient networks. It can be used to connect different types of cabling, or physical topologies but they work only in networks with the same

24/5 I think this is correct it may be wrong

Afile of disorder towards the colonies

Social networking sites d. online forumsthe first recognizable social media site,  six  degrees, was created in 1997. it enabled users to upload a profile and make friends with other users. in 1999, the first blogging sites became popular, creating a social media sensation that's still popular today.