$\backslash$table$[[$Flag$,$Purpose$],[$ACK$,\backslash$table$[[$Set on any packet that is acknowledging a$],[$previous packet$]]],[$SYN$,\backslash$table$[[$Set on any packet that in in the $1^{st}$ or $2^{nd}$ phase$],[$of a $3-$way handshake$]]],[$FIN$,\backslash$table$[[$Set when a system is trying to end a$],[$conversation with another system politely$]]],[$RST$,\backslash$table$[[$Ends a conversation impolitely by dropping the$],[$connection using the RST flag$]]],[$PSH$,\backslash$table$[[$The push flag is used to force information on a$],[$system$]]],[$URG$,\backslash$table$[[$The urgent flag is how a TCP application flags$],[$a piece of information as highly important$]]]]$

Fill in the flags used to establish a proper TCP $3-$way handshake to establish communications between a client and server in the diagram below: $(8$pts$)$

$1$

$2.q,$

$q,$

$3.$

Connection Established