training_report_on_bsnl - copy

8/7/2019 Training_report_on_bsnl - Copy

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Presented by:-

Manu Yadav

CSE(7th sem.)

07ELDCS059


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Today, BSNL is the No. 1 telecommunication

company .

Expansion oftelecom services in all villagesand instilling confidence among its customers.

Installed new services like I-NET, INTERNET,

ISDN (INTEGRATED SERVICES DIGITAL

NETWORK), IN (INTELLIGENT NETWORK),GSM and WLL (WIRELESS IN LOCAL LOOP)

services etc.


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High speed Internet Access: This is the always-on

Internet access service with speed ranging from

256 kbps to 8 Mbps.

Multicasting: This is toprovide videomulticast

services for application in distance education,

telemedicine etc.

Video and AudioConferencing.


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What is V-SAT?It can be defined as a class ofvery small aperture Intelligent

Satellite Earth Station suitable for easy on-premise installation,usually operating in conjugation with a large size HUB earthstation.Capable ofsupporting a wide range oftwo waysintegrated Telecom Services.

It has the following components:1. MicroEarth Station2. Mini Earth Station3. Personal Earth Station4.RoofTopTerminal5.Customer Premises Terminal


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1.Can be located in the userpremises on roof toporbackyard and hence eliminate last mile problem.

2. Superior quality satellite based data services.3. Quick implementation time.4. Reliable communication.5. Broadcast feature on satellite communication.

6. Communication to different areas.7. Flexibility for network and changes.8. Service in distance insensitive.9. Low cost


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When accomplishing any task, there is usually

more than one way to get the job done,

sometimes even thousands ofdifferent ways.When trying to connect more than one computer

together there are alsomany different ways to get

the job done. Some ways are better than others in

certain situations, and it is very beneficial to getstarted in the right direction when networking

computers, not just because ofusefulness, but

also because ofsecurity issues.


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At least two computers A network interface on each computer.It is a device

that lets the computer talk or communicate with othercomputers on the network.It is usually called anNIC(Network Interface Card)or an adapter.

A connection medium- usually a wire and a cable butwireless communication between the computers isalsopossible

Networking operating system software includes Microsoft Windows 2003 Server

with ADC and DC. Most networks- even those withonly two computers have a hub or switch as aconnecting device between them.


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ARCNET, Token Ring and many othertechnologies have been used in the past, but

Ethernet overunshielded twisted paircabling,

and Wi-Fi are the twomost common technologiescurrently in use.

A local area network (LAN) supplies networking

capability to a groupofcomputers in close

proximity to each other such as in an officebuilding, a school, or a home.


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Metropolitan Area Network - a network spanning a

physical area larger than a LAN but smaller than a

WAN, such as a city.A MAN (metropolitan areanetwork) is a larger network that usually spans

several buildings in the same city or town.

A MAN is typically owned an operated by a single

entity such as a government body or largecorporation.

The IUB network is an example ofa MAN


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AWAN (wide area network), in comparison to a

MAN, is not restricted to a geographical location,

although it might be confined within the bounds of

a state or country.AWAN connects several LANs,and may be limited to an enterprise (a corporation

or an organization)or accessible to the public.

The technology is high speed and relatively

expensive. The largest and most well-known example ofa

WAN is the Internet


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Apersonal area network (PAN) is a computer

network used forcommunication among

computerdevices (including telephones and

personal digital assistants) close toone'sperson.The devices may ormay not belong to the

person in question.

The reach ofa PAN is typically a few meters.

PANs can be used for communication among thepersonal devices themselves (intrapersonal

communication), orfor connecting to a higher level

network and the Internet (an uplink).


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3 A storage area network (SAN) is an architecture to

attach remote computer storage devices (such as

disk arrays, tape libraries, and optical

jukeboxes) toservers in such a way that thedevices appear as locally attached to the

operating system.

3 Although the cost and complexity ofSANs are

dropping, they are still uncommon outside largerenterprises.


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3 A campus area network (CAN) is a computer

network that interconnects local area networks

throughout a limited geographical area, such as a

universityc

ampus, a corporate campus, or amilitary base.

3 It could be considered a metropolitan area

network that is specific to a campus setting.A

campus area network is, therefore, larger than alocal area network but smaller than a wide area

network.


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Three primary types

3 1.Twistedpair:

UTP category 3 phone lines

UTP category 5 todays networking standards

3 2. Coaxial:

Resembles round cable TV wiring.

3 3. Fiber-optic:

Usually reserved for connections between backbone devices

in larger networks.


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` Preparation:

3 You need a special plier, RJ45 connectors, UTP

cables, and a cutter.


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Hubs or repeaters are simple devices that

interconnect groups ofusers.

Hubs forward any data packets they receive overone port fromone workstation-including e-mail,

word Processing documents spreadsheets,

graphics, orprint requests-to all of their remaining

ports.


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Routers use more complete packet address todetermine which routeror workstation shouldreceive each packet.

Ifa link between two routers goes down, thesending router can determine an alternate route tokeep traffic moving.

Routers alsoprovide links between networks thatspeak different languages-or, in other wordsnetworks that use different protocols.


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ISDN(intigrated service digital network) is a

circuit-switched telephone network system, that

alsoprovides access topacket switchednetworks, designed to allow digital transmission

ofvoice and data overordinary telephone

copper wires, resulting in better voice quality than

an analog phone. Integrated Services Digital Network is a telephone

system network.


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