modem installation

-make router modem
-create an Access Point (REPEATER) to make wireless signal widest
-setting an Internet Protocol address, DNS server address,subnet mask and default gateaway (static)
-however using an dynamic become better setting to make internet setting easier

LINUX

-installation of operation software (etc:fedora)
-create a command : create folder,subfolders using spesific keyword

basic network cabling-24 jan-28jan 11

type:
-twisted pair
-coaxial
-fiber optic

a.twisted pair- 2type-unshielded and shielded where unshielded have type of:
                                cat3,cat4 cat5(100mb),cat6(1gb),cat7(over 1gb)

encryption

-menukar plain text kepada key atau cipher yang tidak boleh difahami
-diguna untuk buat (strong) password
makna:
-encryption:dari bahasa yang difahami kepada tak difahami
-decryption-dari bahasa tak difahami kepada yang difahami
jenis:
-symmetric
-assymetric 

jenis tcp/ip utilities

aku buat 10 jenis antaranya:
1.arp-address resolution protocol cache.provide ip to ethernet address via local network
2.nbstat-displays tcp/ip connections using netbios, a local cache listing of netbios computer
3.netstat-provide display connection tcp/ip protocol info
4.ping-verify connection and to troubleshoot available switches
5.route-allow view and manipulate the routing table.also diagnosting and modifying networking routing issues
6.tracert-see the route taken by packages from yourself to destination.Determine the ip address of a service
7.winipcfg-tell present ip address and subnet mask.also provide domain name server and win server
8.lpq-obtain print queue status information from computer running line printer daemon print server software
9.hostname-return the host name of local computer
10.netsh-display and admin tcp/ip protocol setting on the local or a remote pc

IP ADDRESS

ADA DUA JENIS
1-Private
2-Dynamic/Public
syarat ip address:
1.bit dalam oktet pertama tidak boleh semua kosong dan satu
2.bit dalam oktet terakhir tidak boleh semua kosong dan satu
3.oktet pertama tidak boleh 127.x.y.z
   ip subnetting and CIDR(classles intel domain routing)
   CIDR mewakili network identification a.b.c.d/e di mana e adalah cidr

remote admin

minggu ke 3 aku tahu pasal nak control pc yang lain pakai software yang didownload untuk melihat aktiviti yang dilakukan di pc lain.