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Tuesday 16 August 2011

PLANNING AND NETWORK CABLING INSTALLATION

* TRAINER : CIK RADUAN

Step in network planning
  • identify reasons for the project
  • identify details of the environment
  • identify the budjet 
Step in network design
  • application
  • coverage
  • design          - logical / physical
  • equipment
  • type of media
  • ability to expand
  • manageble
  • cost 
Use cable colour
PB B                - voice
PO O PH H       -  data

Cable colour  in RJ45


RJ45
PO  ----------------------------------- 
O    ----------------------------------- 
PH  ----------------------------------- 
B    -----------------------------------
PB  -----------------------------------
H    -----------------------------------
PC  -----------------------------------
C    -----------------------------------
 



  

Thursday 11 August 2011

IP ADDRESS

  •   unique addressing for each device on a network
  •   usually a numerical label
WHY...?

  • to identify sender and receiver
  • to make link between one computer to another computer
IP VERSION

IPV4
  • uses 32 bits (4 bytes) address
  • address space limits (2^32)
  • each ranging from 0 - 255
  • separated by dots (172.16.254.1)
  • 1 byte = 8 bits
IPV6
  • used 128 bits (16 bytes) address
  • supports more than 3,000,000,000,000,000,000,000
IP ADDRESS CLASS

A      1 - 126 (127.0.0.1 -localhost)
B      128 - 191
C      192 - 223
D      224 - 239 (multicasting) 
E      240 - 255 (quality of services) 


SUBNETMASK
  • melancarkan perjalanan net
IP Subnetmask

30    = 255.255.255.252
24    = 255.255.255.0
16    = 255.255.0.0
8      = 255.0.0.0 

Kiraan subnetmask
  • bila ada 255       - ip address dengan getway mesti kena sama
  • bila ada 0          - tak kisah   
  

TCP / IP

What is TCP/IP ?

  • Transmission Control Protocol Internet Protocol
  • combination between TCP and IP
  • it is a protocol
  • language to communicate
  • set of instruction to follow
Why we need to used protocol?
  • to make it work in order
Example of TCP/IP

  • FTP ( File Transfer Protocol)
  • SMTP (Simple Mail Transfer Protocol)
  • HTTP (Hypertext Transfer Protocol)
Two types of IP 

Static                         - determine by network administrator itself
Dynamic                  - given by DHCP server / modem

* DHCP (Dynamic Host Control Protocol)



Wednesday 10 August 2011

FIRST BLOG

hye! pertamenya ingin saya perkenalkan diri saya...syazana shuib...ermmmm panggil zana pn dh cukup sb nama itu je org duk panggil pn ^_^ waaaaaaaaaaaa 1st time tau masuk dalam kancah blogger2 ni...inipn disebabkan our trainer Cik Man yg suruh wat utk berkongsi cerita mengenai dunia network setelah masuk dlm kelas wireless and data communication, kalau tak jgn hrpla nak ader blog bagai2 ni...OK! dah tak tau nak merepek apa lg...sekian dlu la k :)

^_^