A network administrator is configuring a Debian server. He entered two commands in a terminal of the computer, as shown in the exhibit.

$```$

Terminal $-$ eric@debian: ~

File Edit Vi$$w Terminal Tabs Help

eric@debian: $

eric@debian:$-$$ netstat $-$nr

Kernel IP routing table

Destination

eric@debian:$-$$

$```$

$```$

Terminal $-$ eric@debian: ~

File Edit View Terminal Tabs Help

root@debian: # arp $-$a

$?(192\mathrm{.}168\mathrm{.}10\mathrm{.}110)$ at $00$:$1$e:$4$f:df:$2$b:$5$d $[$ether$]$ on eth$0$

$?(192\mathrm{.}168\mathrm{.}10\mathrm{.}1)$ at $00$:$04$:$5$a:ef:$58$:$7$f $[$ether$]$ on eth$0$

$?(192\mathrm{.}168\mathrm{.}10\mathrm{.}121)$ at $00$:$1$e:$4$f:d$0$:$83$:$32[$ether$]$ on eth$0$

$?(192\mathrm{.}168\mathrm{.}10\mathrm{.}101)$ at $00$:$25$:$64$:c$0$:$70$:$56[$ether$]$ on eth$0$

$?(192\mathrm{.}168\mathrm{.}10\mathrm{.}109)$ at f$8$:bc:$12$:a$8$:d$8$:$05[$ether Non eth$0$

$?(192\mathrm{.}168\mathrm{.}10\mathrm{.}122)$ at $78$:$2$b:cb:$23$:$10$:$24[$ether$]$ on eth$0$

root@debian:~#

$```$

What is the MAC address of the default gateway configured in the server?