April 13, 2011

HaRi PeRtaMa PraKtiKaL...:)

*sampai kat mecacom hr ni pkl 8.45
*sume org hr ni bz sket,so aku ina & leman dok saja...hahahha
*tp aku ina & leman ditmptkn kat bilik best giler....de ekon,tp pnuh dgn pc & brg2 yg rosak
*aku ina & leman blaja benda baru hr ni sket ja......
*hr ni xtau la blik pkl bapa....depa kata blik kui 5.30.....
*time lunch aku ina & leman nk p stadium sbb nk tgk karnival skills,both kismec pun ada
****jom beramai2 pakat p tgk.....***

March 10, 2011

IP SuBneTTing & CIDR....

CIDR = Classless Inter Domain Routing.....
************************************************************************
Class A = 10.1.1.10
subnet mask = 255.0.0.0
11111111.00000000.00000000.00000000

CIDR ==> 10.1.1.10 / 8
************************************************************************
Class B = 172.16.30.31
subnet mask = 255.255.0.0
11111111.11111111.00000000.00000000

CIDR ==> 172.16.30.31 / 16
************************************************************************
Class C = 192.168.100.1
subnet mask = 255.255.255.0
11111111.11111111.11111111.00000000

CIDR ==> 192.168.100.1 / 24
************************************************************************
CIDR -> 10.1.10.100 / 10
subnet -> 11111111.11000000.00000000.00000000
                    255     .    192      .       0       .        0


CIDR -> 172.16.30.31 / 21
subnet-> 11111111.11111111.11111000.00000000
                     255    .    255     .     248     .      0

CIDR -> 192.168.100.1 / 31
subnet-> 11111111.111111111.111111111.1111111110
                     255    .     255      .      255      .      254
************************************************************************

February 7, 2011

Syarat-Syarat IP address...

1. Bit dalam octet pertama X boleh semua 0 & 1
                     
         W.               X.              Y.                Z
    00000000.   01101111. 01111000. 00011010
           0                111            120            26

     W.               X.              Y.                Z
    11111111.   01101111. 01111000. 00011010
          255               111            120            26


2. Bit dalam octet terakhir X boleh semua 0 & 1
     
   192.168.1.      0
  (network address)000000000
  192.168.1.      255
  (broadcast address) 11111111 
Valid address = 192.168.1.1 - 192.168.1.254


3. Octet pertama X boleh bermula dengan 127.X.Y.Z
                           (loop back)

February 6, 2011

NeTwOrK & HoSt

IP ADDRESS SUBNET MASK BIL NETWORK BIL HOST
A 1 - 127
255.0.0.0
126
16777214
B 128 - 191 255.255.0.0
16382
65534
C 192 - 223 255.255.255.0
2097150
254


Class A
Network        28-1 – 2 = 126
Host             224 – 2  = 16777214

Class B
Network       : 216-2 – 2 = 16382
Host            : 216 – 2   = 65534

Class C
Network       : 224-3 – 2  = 2097150
Host            : 28 – 2     = 254

January 5, 2011

SuBnEt MaSk....

Pengiraan untuk memecahkan network
kepada network yang lain
Menggunakan nombor binary
Secara umumnya (cik acap slalu cbut
scra defaultnya…sedap ja dia nya tone…;P)

Class A : 10.1.1.0           = 255.0.0.0
Class B : 128.22.5.1       = 255.255.0.0
Class C : 192.168.100.1 = 255.255.255.0