MISNET Training

8/10/2019 MISNET Training

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Network Media and Hardware

Bounded network mediawired networkcopper(coax or twisted) based or fiber(

Unbounded mediaRF, BT, IR

Copper media

RJ45 SC8P

568Astructured cabling

Wg

G

WO

B

WB

O

WB

B

568Bstructured

WO

O

WG

BL

W/BL

G

W/BR

BR

Roll overbaliktad ng Straight 6,3,2,1

To eliminate to fluxes (noise)

To cancel out electromagnets


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Straight A-A

Cross Over CableA-B

1,2 Tx

3,6 Rx

Near end cross talk

PoE

Wake on lan

UTP and STP

Dinagdagan ang twist ratio to reduce STP

-

Category 3twisted pair

o 10MBPs

-

Cat 4token ring

o Star

o But logical token (MSAu)

o

16Mbps

o

802.5 standard

-

Cat 5fast Ethernet

o Signaling rateFE 100mbps

-

Cat 5e

o 350MBps

o Gigabit ethernet

-

Cat 6

o

May spines in each pair

o To eliminate the noise

-

Cat 6 a

o More than 1 gbps

-

Cat 7

Bounded media with Copper

Coax


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Simplex

Half duplex

Full duplex

1 segment is connected to ground kung hindi, babalik ang ground pag 2 segment

Thin net and Thick net networking

Important is impedanceto block bleeding signal

F connectorthreaded TV,

BNC jack bnc connector

Noise, attenuation

Impedance

Media converters

Multimode fiber to ether

Fiber to coaxial

Single mode to multimode fiber

568 commercial building telecommunication cabling standard TIA and E

Sa korea, uso daw ang not structured cablingpaisa isa

1.

EF- entrance facilities

2.

Backbone wirings

3.

ERequipment room

4.

Telecommunication closet

5.

Horizontal Wiring

6.

Work Area


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Premise wiring

ICC/HCC

Cross connects non standard term MDFIDF

Drop cable from outlet to PC

Cable is the cross connect

Plenum grade or PVC Cables

-

Fire cannot travel within the cablebecause jacketed

-

Did not emanate poisonous gas

PVC cable

Bounded mediaFiber optic cables

Uses light

Types

Multimode

125microns outer diamidter

50 or 62.5 microns

Single mode

9microns diagmeter

Lit travels unidirectionly within the cable

Connectors

Straight tip

ST

Subcber Conect

Standard

SC

Face contact

FC

FDDI


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40000 MBPS

USB Standard

1.1

12mbps 3m

2.0480mbps 5m

3.05gbps 5m

Up to 30 using usb hubs

1 port can support x 127 devices

5V

Firewire

400mbps

800mbps

3200mbps

Up to 100m

Designed by apple

12V

Single port can support 63 devices at the same time

Wireless communicationo Radio networking, radio frequency for transmitting

Spread spectrum

Frequency hopping

FHSS

Smart not encrypt kasi babagal ang network.. tataas ang latency.

Direct Sequence

Multiple channels simultaneously to send data.


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Infrared transmission

LOS

Distance

2 to 3 meters

16Mbps bandwith

Bluetooth

30feet 1mbps

For exam pinaka mataas ni IR and pinakamababa ni Bluetooth

Microwave Technologies

LOS

Wireless access PointBridge

Kirlian devicepang signal wifi detector

Ekahau.com

-realtime location system

HeatMapperanalysis of wifi

N abg

Free of charge

Cantennadetect wifi

Sources of Electrical Noise


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Ambient noise

Power wires

Electric motors

Electrical Heat- generating devices

Flourescent, neon and High Intensity Discharge HID Lights

Differential noise cancelling

(Near end Cross talk)

Switch

To contain collision

To read MAC address

MAC address

Physical address

IP Address Logical address

Ports

VswitchOpen VswitchVmware


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Virtual switches

Routercombine two networks

Depends on the instructions

Default gateway

Gatewayuse to connect network to different protocol

TCP/IP TCP

Microsoftnetbeui

Appleapple tack

Novellipx spx

Virualization

3.Hyper V

2. OS

1.HW

1.

2. HV

3.HW


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AdvantagePower 1k for 5 servers

Not all organisation can

NaaS

Network as a service

Software as a serviceSaaS

Platform as a SevicePaaS

Infrastructure as a Service

IaaS

Legacy network

Repeater

Hubmultiport repeater

Bridge

Logical bus network to segment

Documents

MISNET Training