${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}\text{a}\text{l}\text{l}\text{o}\text{w}\text{o}\text{n}\text{l}\text{y}\text{s}\text{p}\text{e}\text{c}\text{i}\text{f}\text{i}\text{c}\text{p}\text{a}\text{c}\text{k}\text{e}\text{t}\text{s}\text{w}\text{i}\text{t}\text{h}\text{a}\text{p}\text{a}\text{r}\text{t}\text{i}\text{c}\text{u}\text{l}\text{a}\text{r}\text{s}\text{o}\text{u}\text{r}\text{c}\text{e}\text{,}\text{d}\text{e}\text{s}\text{t}\text{i}\text{n}\text{a}\text{t}\text{i}\text{o}\text{n}\text{,}\text{a}\text{n}\text{d}\text{p}\text{o}\text{r}\text{t}\text{a}\text{d}\text{d}\text{r}\text{e}\text{s}\text{s}to\text{p}\text{a}\text{s}\text{s}\text{t}\text{h}\text{r}\text{o}\text{u}\text{g}\text{h}it.}$

Group $of$ answer choices

Packet filtering firewalls

Stateful inspection firewalls

Application$-$level firewalls

Dynamic packet filtering firewalls