What is the answer

Suppose you run the following command on a node called pc1 with an IP address of 192.168.9.10 arp - a and the output is as follows: ? (192. 168.2.19) at 03: c2:d4:15: bf: 12 on eng ifscope [ethernet] ? (192. 168.2.19) at 03:c2: d4:15: bf:12 on en0 ifscope [ethernet] ? (192. 168.1.255) at ff:ff: ff:ff:ff:ff on en8 ifscope [ethernet] ? (197 .0.0.150) at 2:3:5e:0:0: fc on en8 ifscope permanent [ethernet] ? (197. 0.0.150) at 2:3:5e:0:0:fc on en0 ifscope permanent [ethernet] ? (239. 255. 255.250) at 1:2: 3d:7f: fa:fd on en8 ifscope permanent [ethernet] ? (239. 255. 255. 250) at 1:2:3d:7f: fa:fd on en0 ifscope permanent [ethernet] Which of the following values represents the physical (hardware) network address of the device at IP address 192.168.2.19? 192.168.9.23 2:3:5e:0:0:fc O ff :ff:ff = ff ff iff 00:b1:d3:14:af:45 03:c2:d4:15:bf:12 ifscope [ethernet] 1:2:3d:7f:fa:fd O eno O en8