Which of the following sockets will you apply to a standard Telnet port TCP$23$ where the host has an IP address of $10\mathrm{.}43\mathrm{.}3\mathrm{.}87?$

$10\mathrm{.}43\mathrm{.}23\mathrm{.}3\mathrm{.}87$

$10\mathrm{.}43\mathrm{.}23\mathrm{.}3\mathrm{.}87$:$23$

$10$:$23\mathrm{.}43\mathrm{.}3\mathrm{.}87$

$10\mathrm{.}43\mathrm{.}3$:$23\mathrm{.}87$