The following figure shows an HTTP request$/$response messages

intercepted between a client and a server.

POST lapp.index.php HTTP $1\mathrm{.}1$

Host: localhost

User$-$agent: Mozilla $5\mathrm{.}0$

Accept$-$language: en$-$us

Connection: keep$-$alive

user$=$admin&pass$=$admin

HTTP $1\mathrm{.}1200$ OK

Content$-$type $=$ text

Last$-$modified: $19$ April $2016$

Date: $24$ Oct $201610$:$00$am

Connection: keep$-$alive

Content$-$length: $567587$

i$.$ What was the purpose of this transaction? Was the exchange successful?

What will happen to the TCP connection after the exchange is over?

ii$.$ Assume now the exchange above wanted to enable cookies and the client is

contacting the server for the first time. Indicate how the initial

request$/$response messages