Wednesday, December 29, 2010

cara pengiraan dalam networking

contoh-contoh

1) 192 . 168 . 1 . 12/29  29 = 1111 1000
i) Bilangan Host = 2^3 ii) Bilangan network = 2^5
= 8 - 2 = 32

= 6
iii) Subnet mask = 1111 1000
= 128 + 64 + 32 + 16 + 8
= 248

iv) Network Address = 192 . 168 . 1 . 8
Broadcast Address = 192 . 168 . 1 . 15


2) 192 . 168 . 1 . 250/26   
26 = 1100 0000
i) Cari bilangan host = 2^6 ii) Cari bilangan network = 2^2
= 64 - 2 = 4

= 62
 iii) Subnet mask = 1100 0000
= 128 + 64

= 192
 iv) Network Address = 192 . 168 . 1 . 192
Broadcast Address = 192 . 168 . 1 . 255


3) 192 . 168 . 1 . 87/27
27 = 1110 0000
i) Cari bilangan host = 2^5 ii) Cari bilangan network = 2^3
= 32 - 2 = 8

= 30
 iii) Cari subnet mask = 1110 0000
= 128 + 64 + 32

= 224
 iv) Network Address = 192 . 168 . 1 . 64
Broadcast Address = 192 . 168 . 1 . 95