Refer to the screenshot taken from Wireshark below and answer the following questions.

Capturing from any File Edit View Go Capture Analyze Statistics Telephony Wireless Tools Help No. Apply a display filter ... Time Source 9 2.446276242 10 2.666124197 11 2.907748740 12 2.997583230 13 3.998508862 14 4.325809522 15 4.907829860 16 4.998352310 17 5.997823935 18 6.239984664 10 6 007000716 192.168.50.164 192.168.50.155 ASUSTeKC a5:46:d0 192.168.50.177 192.168.50.177 192.168.50.177 ASUSTeKC_a5:46:d0 192.168.50.177 192.168.50.177 Espressi_f3:fe:f0 ASUSTOKO 25:16.do Destination 224.0.0.251 255.255.255.255 Hardware type: Ethernet (1) Protocol type: IPv4 (0x0800) Hardware size: 6 Protocol size: 4 Opcode: request (1) [Is gratuitous: True] [Is announcement: True] 192.168.50.255 192.168.50.255 224.0.0.251 192.168.50.255 192.168.50.255 Protocol Length Info MDNS UDP STP UDP UDP MDNS STP UDP UDP ARP STD Sender MAC address: Espressi_f3:fe:f0 (84:f3:eb:f3:fe:f0) Sender IP address: 192.168.50.155 Target MAC address: 00:00:00 00:00:00 (00:00:00:00:00:00) 160 Standard query response 0x0000 SRV, c 232 491546667 Len-188 62 Conf. Root = 32768/0/d4:5d:64:a5:46:d 307 54915 - 54915 Len=263 4 Frame 18: 62 bytes on wire (496 bits), 62 bytes captured (496 bits) on interface any, id 0 Linux cooked capture Address Resolution Protocol (ARP Announcement) 307 54915 54915 Len=263 85 Standard query 0x0000 PTR _sleep-prox 62 Conf. Root = 32768/0/d4:5d:64:a5:46:d 307 54915 54915 Len=263 307 54915 54915 Len=263 62 ARP Announcement for 192.168.50.155 62 Conf Root - 22760/0/d15861516 d