A client$$s browser sends an HTTP request to a website. The website responds with a handshake and sets up a TCP connection. The connection setup takes $2$ sec$,$ including the RTT$.$ The browser then sends the request for the website$$s index file. The index file references $4$ additional images, which are to be requested$/$downloaded by the client$$s browser. How many requests $($including the initial request$)$ must be sent by the browser...

With non$-$persistent HTTP$?$