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LuciferAviSonicX

Session 2: Network Terminologies

LuciferAviSonicX
Sep 5th, 2017
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  1. Introduction To Network Terminologies
  2. -------------------------------------
  3.  
  4. Social Network ----> Way of communication between peoples..... They go to different places...
  5.  
  6. Social Places ----> Places where people meet with each other, like public places, Rajiv chowk, Hauz Khas
  7. Facebook, Orkut, Happen.
  8.  
  9. Network ----> Connection of two or more devices.... laptops, desktops, mobiles, AC, Printer.... which can communicate with each other and their sole purpose is information interchange
  10.  
  11. Information ---> Collection of data
  12.  
  13.  
  14. Data ---> Raw Material
  15.  
  16. Let's have a bomb blast in Kashmiri Gate ISBT.
  17.  
  18. Have ---> kuch krna h
  19. Bomb blast ---> qa krna h =----> diwali wala ptaka
  20. Kashmiri Gate ----> destination ----> Kashmir photo+gate
  21. ISBT ----> destination ---> Indian South Beta Tango
  22.  
  23.  
  24.  
  25.  
  26. Protocols
  27. ---------
  28. Set of rules.... Rules which are necessary for performing some kind of tasks.....
  29.  
  30. IP ---> Internet Protocol
  31. HTTP ---> Hyper Text Transfer Protocol
  32. FTP --> File Transfer Protocol
  33. SMTP ---> Simple Mail Transfer Protocol
  34. TCP --> Transmission Control Protocol
  35. DHCP ---> Dynamic Host Confiduration Protocol
  36. UDP ---> User Datagram Protocol
  37.  
  38. IP Address
  39. -----------
  40. These are the virtual Address which are provided by the router to our device when we are connected to it. They are unique in the network.
  41.  
  42. Why Virtual Address???? ---> When we change our network or router.... our IP Address also changes
  43.  
  44.  
  45. Version Of IP Address ---->
  46. ---------------------------
  47. 1. IPv4 ----> It is a 32 bit address. Divided into 4 octects divided by a period
  48. A.B.C.D
  49. 192.168.0.2
  50. 192 --> 11000000
  51. 168 --> 10101000
  52. 0 ----> 00000000
  53. 2 ----> 00000010
  54. 128 64 32 16 8 4 2 1
  55. 1 1 0 0 0 0 0 0
  56. 1 0 1 0 1 0 0 0
  57. 0 0 0 0 0 0 0 0
  58. 0 0 0 0 0 0 1 0
  59.  
  60. 192.168.0.2 ----> 11000000.10101000.00000000.00000010
  61. 2^32 ---> IP Address
  62.  
  63. 2. IPv6 --> It is a 128 bit address. It uses hexadecimal number as the IP Address....2^128 IP AAddress
  64.  
  65.  
  66. Subnetting ----> IP ko divide krna shuru kr do....They started dividing the IP Address as per their series
  67.  
  68.  
  69.  
  70.  
  71. Internet<----- IP Address <---- Router <----IP Address <------ ISP <-------- IAANA/ICAAN
  72.  
  73.  
  74.  
  75.  
  76. Types Of IP Address
  77. -------------------
  78.  
  79. 1. Public IP Address ----> IP Address of my ISP
  80.  
  81. 2. Private IP Address ---> IP Address of my own device
  82. windows --> ipconfig
  83. Linux ---> ifconfig
  84. UNIX ---> ifconfig
  85.  
  86. NAT ---> Network Address Translation
  87. ------------------------------------
  88. It maps or translates our Local/Private IP Address to Public IP Address for proper communication
  89.  
  90. DHCP ---> Dynamic Host Configuration Protocol
  91. =============================================
  92. When ever we are connected to a router, firstly we are assign the IP Address to the device. DHCP is the only protocol which is enabled in the router and it provides our device so called IP Address
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