What destination MAC address will Host A use in the ARP request?

Refer to the exhibit.

Host A is sending a packet to Host B for the first time.

What destination MAC address will Host A use in the ARP request?
A . 192.168.0.1
B . 172.16.0.50
C . 00-17-94-61-18-b0
D . 00-19-d3-2d-c3-b2
E . ff-ff-ff-ff-ff-ff
F . 255.255.255.255

Answer: E

Explanation:

For the initial communication, Host A will send a broadcast ARP (all F’s) to determine the correct address to use to reach the destination.