Skip to main content

Basic- Networking

                                               Basic of networking
 contents of networking

  1. What mean of network
     How does it work
  2. Hub,switch,router.
  3. Classifying network
  4.  Proxy,ip subnet ,dns       


         Computer Networking
 The computer networking is a group of interconnected   

(network capable devices)
Components network,interface card, hubs,switchs
,Routers.cable like cat 6,cat 5




  • How it network work,
  •  What is communicated  
  • When is it communicated 
  • How it communicated

 Example : Talking ,torch light communication
 We need a protocol : we set rules gove rning data communication
Tcp/ip is such a protocol

Basic Require  hardware components
network interface card (nic)
hub
switch
router
cable


Frist i tell me What a interface card
 this card allows a network capable device access
to a computer network such as the internet

the Mac address identifies the vendor and the serial
number of the Nic which is the
unique to the card




I tell u what is hub
 a network hub or repeater hub is a device
 for connecting multiple
twisted pair or fiber optic ethernet devices
together.

when a packet arrives at one port,it is copied to
all the port.it is copied to all the ports of the hub
for transmission

 Switch


 Switch

  The switch is a devices that performs that
  performs
It forwards and filters datagrams
(chunk of data communication )
Between ports based on the mac-address in the packets



 Router

Forward data packets
between networks
using headers and forwarding
tables to determine the best path to
forward the packets,

Processor,Os , Memory

 Cables



 Category 5 Cable ,Known as cat 5 or
Cable and Telephone is a twisted pair cable (100mbs)

A optical fiber is a glass
 plastic fiber that
carries light along its length

(40gbps)


Labels:

Comments

Post a Comment

Popular posts from this blog

Information Security Interview Questions & Answers

The number of Information Security related jobs are growing extensively…. There is a huge requirement for skilled InfoSec professionals across the globe.. the jobs positions are available for freshers, experienced guys and top management (typically CISO .HCL,BPLetc)… This post is my attempt to collect typical InfoSec interview question and answers to help those looking out opportunities in this field… I’ll keep on updating the questions regularly.. You can also share/contribute any questions you might have faced during your InfoSec interviews…. Category I: General Security Concepts / Network Security / OS Security 1) Is there any difference between Information Security and IT Security? If yes, please explain the difference. Ans- Yes. Information Security and IT Security are both different terms often used interchangeably. IT Security focuses on purely technical controls (like implementing antivirus, firewall, hardening systems etc) while Information Security is more wider ter...
Post a Comment
Read more

8 pair usage for data in Cat 6 Wire in Networking

Today I Post the Cat6 wire pair use in Networking ,we all know 8 pair in cat 6 and but no idea how any pair use in Networking .only 4 pair Use in networking , Like this Photo, If 4 pair not work in cat6 wire we use another 4 Pair same wire Save time and Money 
Post a Comment
Read more

MCSE INTERVIEW QUESTIONS AND ANSWER

MCSE INTERVIEW QUESTIONS AND ANSWER ,VERY USEFULL OUR NEXT JOB INTERVIEW MCSE Questions and Answers: :  1 :: What is the use of IGMP protocol?  Internet Group Management Protocol: - It allows internet hosts to participate in multicasting. The IGMP messages are used to learn which hosts is part of which multicast groups. The mechanism also allow a host to inform its local router, that it wants to receive messages.  2 :: What are Ping and Tracert?  Ping and tracert are the commands used to send information to some remote computers to receive some information. Information is sent and received by packets. Ping I particularly used to check if the system is in network or not. It also gives packet lost information. In windows ping command is written as ping ip_address Tracert is called as trace route. It is used to track or trace the path the packet takes from the computer where the command is given until the destination. In windows ping command is written as trac...
Post a Comment
Read more