ITN $($Version $7\mathrm{.}00)-$ Building and Securing a Small Network Exam

$5$ When applied to a router, which command would help mitigate brute$-$force password attacks against the router?

login block$-$for $60$ attempts $5$ within $60$

exec$-$timeout $30$

banner motd $$M$ Max failed logins $=5$$

service password$-$encryption