4 4 votes In the network 143.128.67.235 / 20, it x represent the decimal value of 3rd octet and y represent the decimal value of 4th octet of last IP address assigned to any host, then the value of x*y is Computer Networks made-easy-test-series computer-networks subnetting + – scarz 2.0k views answer comment Share Follow Print See all 3 Comments 3 3 Comments reply peshwe commented Dec 14, 2018 i edited by peshwe Dec 14, 2018 reply Follow flag last allocated IP will be 143.128.0100 1111.254 So 79* 254 is the correct answer. 5 5 replyShare soubhik baral commented Dec 14, 2018 reply Follow flag 79*254 0 0 replyShare harshits commented Jan 8, 2019 reply Follow flag can you please provide proper solution of this problem. mask = 11111111.11111111.11110000.00000000 i calculated mask = 255.255.240.0 and i did AND operation of mask and give ip(i.e 255.255.240.0 and 143.128.67.235) = 143.128.64.0 can you please tell me where i'm wrong? 0 0 replyShare Please log in or register to add a comment.
Best answer 4 4 votes This is the right answer. scarz answered Jan 19, 2019 • selected Feb 6, 2020 by scarz scarz comment Share Follow 0 reply Please log in or register to add a comment.
1 1 vote 79*254 why 254, because the last address is for the Direct Broadcast Address(DBA). nishant_magarde answered Mar 16, 2019 nishant_magarde comment Share Follow 0 reply Please log in or register to add a comment.
