Aare devices that permit a user to connect to a digital t-carrier service.

Which number on the image above correctly indicates the name of a folder in this url? a.1b.2c.3d.4

Give an example of a case where a two-way handshake to establish a connection could leave one side of the connection live while the other side does not believe there is a connection.

Requirement types discussed during software development include functional and color scheme nonfunctional and code style constraint and nonfunctional fashionable and functional.