A host with two interfaces has the following routing table:

# netstat -rn

Routing Table: IPv4
Destination Gateway Flags Ref Use Interface
——————- —————- ——- —– —– ——–
192.168.1.0 192.168.1.1 U 1 191 hme0 1
0.10.10.0 192.168.3.10 UG 1 0
192.168.3.0 192.168.3.1 U 1 176 qfe0
224.0.0.0 192.168.1.1 U 1 0 hme0
127.0.0.1 127.0.0.1 UH 1 3 lo0

What can be determined from the UG flags in the second line?

A.
The IP 10.10.10.0 is a gateway.

B.
The gateway 192.168.3.10 is up.

C.
The gateway 192.168.3.10 has been updated.

D.
It is an indirect route, and the gateway system is 192.168.3.10.