A customer is unable to SSH into their Linux virtual server$($IP address $55\mathrm{.}33\mathrm{.}44\mathrm{.}66)$ from their laptop$/$desktop on port $22.$ What command line tools can we use to troubleshoot network connectivity? $($Select all that apply$)$

$-$ping

$-$traceroute

$-$netcat

$-$netstat

$-$update

$-$nslookup

$-$tcpdump