$5.$ Consider the simple Access Control Matrix below. Use the table to specify the security policy of the system based on

$$ capabilities

$$ACLs

tax.doc

Alice $\{$read$,$ write$\}$

Bob $\{$read$,$ execute $\}$

fun.exe

$\{$execute$\}$

$\{$read$,$ write, execute $\}$

exam.pdf $-$

$\{$ write $\}$