Your workstation is suddenly unable to communicate with hosts on other subnets However, you can still ping hosts on the same network. No changes have been made to the workstation and it has not been rebooted.

The routing table on the workstation contains:

Routing Table: IPv4
Destination Gateway Flags Ref Use Interface
——————– —————— —– —– ——— ————-
129.147.12.0 129.147.12.179 U 1 3 hme0
224.0.0.0 129.147.12.179 U 1 0 hme0
127.0.0.1 127.0.0.1 UH 23 2304 lo0

What is a possible cause of this problem?

A.
inetd has core dumped.

B.
The /etc/defaultrouter file is deleted.

C.
A router stopped broadcasting RDISC packets.

D.
The switch to which the workstation is connected failed.