In terms of computer networking what is ping?

Acontact list is a place where you can store a specific contact with other associated information such as a phone number, email address, birthday, etc. write a program that first takes in word pairs that consist of a name and a phone number (both strings). that list is followed by a name, and your program should output that name's phone number.

Which command suppresses the visibility of a particular row or column in a worksheet?

Adrian has decided to subscribe for a new internet connection. he wants a high speed connection so that he can stream video content smoothly. which access technology would you advise adrian against using?