means loss of energy in a signal. Noise Distortion Amplitude Attenuation Save Question 48 (1 point) The address 4C12:20:23:10:18 1) unicast 2) broadcast 3) multicast 4) simulcast Save Question 49 (1 point) The address 47:20:1B:2E:08:EE is sent out across the line 1) left to right, byte by byte each byte being sent right to left bit by bit 2) left to right, byte by byte each byte being sent left to right bit by bit 3) right to left, byte by byte - each byte being sent right to left bit by bit 4) right to left, byte by byte - each byte being sent left to right bit by bit Save Question 50 (1 point) Wireshark is a 1) packet sniffer 2) IDPS 3) Firewall 4) Router