FIBER OPTIK.....(^___^)

Tool Yang Digunakan Untuk Splicing

1. Bolt Cutter
2. Gunting
3. Optical Fiber Sheath
4. Screw Driver Set
5. Tape Measuring
6. Allen Key
7. pliers Combination '8'
8. Knife Trimming
9. Torque Wrench
10. Adopter Spanner
11. Fiber Clearer
12. Fiber Stepper
13. Buffer Tube Stipper

Material Yang Diperlukan Utk Splicing

1. Alcohol (>95%)
2. cotton Gauze/Lint Free Cloth
3. Cloth Abrasive
4. Cotton Bud
5. Methylated Spirit
6. Cotton Waste
7. Pvc Tape
8. Fiber Protection sleeve 

"SAMBA"-Add Samba User

1-Open configuration file
nano /etc/samba/smb.conf

2-parameter
security=user

3-create share folder
[NamaUser]
path=/home/NamaUser
Writeable=yes
browseable=yes
public=yes
valid users=NamaUser

4-additional
give user authority

Create User Account & Password

#adduser NamaUser
#password Namauser
#smbpassword-9 NamaUser
#service smb restart

cara nak wat Firewall.......(^___^)

1. Pasang FW = iptables(install)=yum install iptables
2. Reset(rules) = Flash (all)
3. Default Rules = block (drop)
4. Allow

#/sbin/iptables-F
#/sbin/iptables-X
#/sbin/iptables-L
#/sbin/iptables-nvL

*check rules

#/sbin/iptables-P INPUT DROP
#/sbin/iptables-P OUTPUT DROP
#/sbin/iptables-P FORWARD DROP
#/sbin/iptables-nvL

nak allow web

-#iptables s-A input  -S <ip> -p TCP -dport 80 -J ACCEPT

Linux____(^__^)Centos

Hanya keterangan ringkas tentang centos,untuk tukar jadi admin.

Buka terminal,pas2 nk install sofeware

$su(untuk tukar root dan jd admin)
password=**********  pas2 Enter

-Nak install httpd(webserver)
-yam install httpd  pas2 Enter(yam= untuk fedora,centos,rethead)(aptitude=untuk ubuntu)

/sbin/serves httpd status(utk status)
/sbin/serves httpd start(untuk mula install)

untuk cek balik sofeware yg kita install
-local host-webserver.

FILE HTML

cd/var/www/html(enter)

nano index.html(enter)
- nano lebih mudah kerana disediakan text editor.
-cth2 text editor nano

• ^G-Get Help
• ^X-Exis
• ^O-Writeout@save
• ^J-Justify
• ^R-Read File
• ^W-Where Is
• ^Y-Prev Page
• ^V-Netx Page
• ^K-Cut Text
• ^U-Uncut Text
• ^C-Cuv Pos
• ^T-To Spell
• Ls-untuk nk tgok list
• ifconfig-nk cek ip(cth-/sbin/ifconfig.

NAK SET IP STATIK.

-masuk ke sistem ambik administration pilih network masukkan password dan edit.
/sbin/servis networt status
 /sbin/servis networt restart(untuk restart networt)

Network Cable Tester..

Bahan2 yang digunakan:

4 x LED

1 x Switch Toggle ...

2 x Perintang (Transistor) 

8 x Wire Copper (amik dari cable CAT 6)

1 x Faceplate 

1 x Base box

2 x Modular Jack

Type of Equitment In Network Design

-Patch Panel

-Modeler Jack

-RJ45

-Face Plate

-Cable Manager

-Racle Cabling

-Switch

-Router

-Firewall

-Wireless

-Computer


Tool

-Puncher

-Crimping Tool

-Network Tester

-Cable Stripper

-Player

-Sesaw

-Knife

-Pen Labeling

-Stiker



Type of Media

-CAT 3=16Mbp/16Mbps

-CAT 5=100 Mhz/100Mbp

-CAT 5e=100Mhz/100/1GB

-CAT 6=150Mhz/1GBps

-CAT 6e=150/1GB/10GB

-CAT 7=250/500Mhz/10GB

kaler-kalerful Of Cable~~~(^__^)

                                                      Straight Thru Cable

-White Orange
-Orange
-White Green
-Blue
-White Blue 
-Green
-White Brown
-Brown

                                                       Cross Cable

-White Green 
-Green
-White Orange
-White Blue
-Orange
-White Brown
-Brown

Basic Network Cabling

-Menyambung apa2 jenis devise menggunakan cabling.

Type of Cable

1)Twisted Pair Cable (untuk networking)

-UTP(Unshielded Twisted Pair)

-STP(Shielded Twisted Pair)
2)Coqxial Cable(cctv,area tv)
3)Fibre Optik


Type of  UTP Cable

-CAT 3
-CAT 4
-CAT5
-CAT 5e
-CAT 6
-CAT 6e
-CAT 7

Twisted Pair

-4 Pair
-8 Cable
-Straight Thru Cable
-Cross Cable
-Devise yang sama

Security Attack

-Antivirus
-Firewall
-Encryption
-Ip Segmentation
-Ip Security(ip sec)


Hashing
-Base 64
-MDS

Symmetric
-AES
-DES

Asymmetric
-RSA(guna 3 key)
-Another RSA

Basic Data Communication

-Sender
-Receiver
-Medium@Media
-Protokol
-Masegge

Encryption

-Proses tranformasi menggunakan key@cipher untuk tukar
perkataan kepada bahasa yang tidak difahami dipanggil nama ciphertext.

Plaintext(cth)

A(D),B(E),C(F),D(G),E(I),F(I),G(J),H(K),I(L),J(M),K(N),L(O)M(P),N(Q),O(R),P(S),Q(T)

R(U),S(V),T(W),U(X)V(Y),W(Z),X(A),Y(B),Z(C).


JENIS-JENIS CIPER
-PGP(Preety Good Pryvacy)
-CEASER CIPER
-3DES/DES
-MDS HAST

CEASER CIPER(diguna pada masa kini)