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1 Cisco Certified Network Associate. 2 COMPANY PROFILE It have been the first institute for training...

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1 Cisco Certified Network Associate
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Page 1: 1 Cisco Certified Network Associate. 2 COMPANY PROFILE It have been the first institute for training non technical students set up in 1990. Jetking has.

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Cisco Certified Network

Associate

Page 2: 1 Cisco Certified Network Associate. 2 COMPANY PROFILE It have been the first institute for training non technical students set up in 1990. Jetking has.

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COMPANY PROFILE

It have been the first institute for training non technical students set up in 1990.

Jetking has come a long way today with over 100 training centers, 2500 faculty members, international academic partnerships and ISO 9001:2000 certification since 2003

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NETWORK A computer network is a group

of interconnected computers TYPES OF NETWORK Personal area

network(PAN) Local area network(LAN) Campus area

network(CAN) Metropolitan area

network(MAN) Wide area network(WAN)

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NETWORK TOPOLOGIES

BUS TOPOLOGY STAR TOPOLOGY

RING TOPOLOGY MESH TOPOLOGY

Page 5: 1 Cisco Certified Network Associate. 2 COMPANY PROFILE It have been the first institute for training non technical students set up in 1990. Jetking has.

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NETWORK DEVICES Lan card:- The network interface card(NIC)

used as interface between the device and the network.

It has Buffer memory. Memory of LAN card is 1024 byte. Lan card is used for both

transmission and receiving of data MAC address is physical or

hardware address. Size of MAC address is 48 bit

RJ-45

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Hub Hub is a layer 1physical layer

device. Hub provides data transfer rate

(D.T.R)= 10 mbps maximum. Hub works on half duplex mode Hub is used over a small LAN

network.

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Switch Switch is a layer 2(data link

layer) device. Switch is a LAN device. Switch understands MAC

address. Switch is used to design a large

and complex network. Switch improves network

performance and speed. Switch works on full duplex

mode i.e both sending and receiving data at the same time.

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ROUTER It is used for wan connectivity.

Router is a layer-3 (network layer) device.

Routers are used to interconnect different wan sites.

Router is a IP and routing enabled device.

Router only understands logical address i.e IP address.

Router uses a routing table which maintains shortest and best path for each destination.

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OSI MODEL(Open Systems Interconnection Basic Reference Model )

7) Application : Provides different services to the applications

6) Presentation : Handles the format of different applications and files

5) Session : Responsible to make logical connection b/w application and server

4) Transport : Provides end to end communication control

3) Network : Routes the information in the network

2) Data Link : Provides error control between adjacent nodes

1) Physical : Connects the entity to the transmission media

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IP ADDRESS An Internet Protocol (IP) address is a numerical identification (

logical address) that is assigned to devices participating in a computer network utilizing the Internet Protocol for communication between its nodes. Although IP addresses are stored as binary numbers, they are often displayed in more human-readable notations, such as 192.168.100.1 (for IPv4), and 2001:db8:0:1234:0:567:1:1 (for IPv6).

IP address was defined as a 32-bit number and this system, now named Internet Protocol Version 4 (IPv4) , a new addressing system (IPv6), using 128 bits for the address An IP address is designed with two parts:-

Network:- net-id host:- host-id

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Different classes of IP version 4 Class A:- 8 bit for network and 24 bit for host. First block consists of Network bits

from 1-126. Mask value is 255.0.0.0 Class B:- 16 bit for network and 16 bit for host. First block consists of network bits

from 128-191. Mask value is 255.255.0.0 Class C:- 24 bit for network and 8 bit for host. First block consists of network bits

from 192-223. Mask value is 255.255.255.0 Class D:- It is used for video conferencing . First block consists of network bits from

224-239. Class E:- It is used for voice conferencing . First block consists of network bits from

240-254. Special IP(Reserve IP):- 127.0.0.0:- This IP is called loopback or local host IP. It is used for self testing or

trouble shooting. Its command is C:> ping 127.0.0.1 255.255.255.255:- This IP is called Broadcast IP and used in lan broadcasting. 169.254.0.0:- It is called APIPA(automatic private IP address).

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IP Addressing

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IP Address Classes

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NAT(Network Address Translation)STATIC NAT

DYNAMIC NATNAT is a layer 3 protocol and it use to translates public IP into private and private IP into publicPRIVATE IP ADDRESS: -CLASS A-----10.0.0.0---------10.255.255.255--------10.0.0.0/8CLASS B-----172.16.0.0------172.31.255.255--------172.16.0.0/12CLASS C-----192.168.0.0----192.168.255.255-------192.168.0.0/16

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ROUTER FUNDAMENTALS Router memory types Router booting process

and registered numbers Router interface and

ports IOS(internet operating

system) Consol pc

Modes of router:-

User mode

Privilege mode

Global mode

Interface mode

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Overview of Router Modes

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Configuring Router Identification

Page 18: 1 Cisco Certified Network Associate. 2 COMPANY PROFILE It have been the first institute for training non technical students set up in 1990. Jetking has.

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Configuring a Router Password

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Static Route Uses a route that a

network administrator enters into the router manually

Dynamic Route Uses a route that a

network routing protocol adjusts automatically for topology or traffic changes

Identifying Static and Dynamic Routes

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Static Routes

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Project code Mumbai>enable Mumbai#configure terminal Mumbai(config)#Ip route 30.0.0.0

255.255.255.0 20.1.1.2 Mumbai(config)#Ip route 20.1.1.4

255.255.255.252 20.1.1.2 Mumbai(config)#Ip route 40.0.0.0

255.255.255.0 20.1.1.2 Mumbai(config)#Ip route 50.0.0.0

255.255.255.0 20.1.1.2 Mumbai(config)# exit Mumbai#

Banglore>enable Banglore# configture terminal Banglore(config)#ip address 40.0.0.0

255.255.255.0 20.1.1.9 Banglore(config)#ip address 20.1.1.4

255.255.255.252 20.1.1.9 Banglore(config)#ip address 30.0.0.0

255.255.255.0 20.1.1.9 Banlore(config)#ip address 20.1.1.0

255.255.255.252 20.1.1.9 Banglore(config)#ip address 10.0.0.0

255.255.255.0 20.1.1.9 Banglore(config)#exit

Page 24: 1 Cisco Certified Network Associate. 2 COMPANY PROFILE It have been the first institute for training non technical students set up in 1990. Jetking has.

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PING Ping is a command used to test the connectivity

and troubleshooting states between the network devices over a network. Its syntax is:-

Router#ping Ip address If the device is connected (!!!!!!) If not connected (…….)

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