· 6 years ago · Dec 18, 2019, 07:08 AM
1Day 3 :
2
3
4Basic of Networking :
5
6Types of Network
7
8Protocols
9
10IP Address
11
12-------
13
14What is Network.?
15
16Social Network : Facebook. Instagram. Twitter, Pinterest. Linkdein etc
17
18Connection between multiple people.
19
20Computer Network :
21
22Connection between various digital devices.
23
24Router
25
26Modem
27
28Switch
29
30End Devices : Mobile etc
31
32-----
33
34
35Internet :
36
37How Internet Works ; https://www.youtube.com/watch?v=i5oe63pOhLI
38
39-----
40
41ISP : Internet Service Provider
42
43Airtel | BSNL | Connect | FastWay | Jio etc
44
45ISP ---------> IN Devices ---> Out -> 4 Ports
46
47Switch <--- This is a devices which basicallu used for providing multiple ports by just utilizing single port of the Router.
48
49Router or Modem :
50================
51Its duty is to provide connection inbetween the ISP & Internet Network
52
53
54ISP (Analogue Signal)---> Router --> (Digital Signal 01)End Devices (Mobiles | Laptop etc)
55
56Modem bcz --> Its job is Modulation & DeModulation
57
58--------------
59
60Protocols :
61
62Rules :
63
64Indian Govt Protocol :
65
66Bike - DL , Helmet, Docs, Speed Limit, Left Lane etc
67
68US :
69
70Right Lane
71
72----
73
74Computer Network Protocol :
75
76HTTP : Hyper Text Transfer Protocol
77
78HTTPS : Hyper Text Transfer Protocol (Security)
79
80FTP : File Transfer Protocol
81
82--
83
84Port Numbers :
85==============
86
87Port are the ways via which our system can communicate with external devices. USB | Priner | Projector | Headphone | Server | Google | youtube etc
88
892 Types;
90
91i. Physical Ports :
92
93These are the Port to which we can feel. touch. see.
94
95USB port | HDMI | Charging | etc
96
97ii. Virtual Ports | Software Port
98
99Every digital devices contain these ports
100
1011 - 65535
102
103Mostly used Port :
104
10580 - HTTP
106
107443 - HTTPS
108
10920/21 - FTP
110
111--> torrentz.eu <-- 80
112
113-->
114-----------------------------------------------------------------
115
116malhotrarohit708@gmail.com // 12345 <-- Genuine
117
118malhotrarohit708 // 12345 <-- @gmail.com
119
120malhotra.rohit708@gmail.com // 12345
121
122malhotraROHIT708@gmail.com // 12345 <--- Email are NEVER CASE Sensitive
123
124MaLhOtRa <-- But password are CASE Sensitive
125
126malhotra.rohit.708@gmail.com // 12345
127
128m.al.h.o.t.r.a.r.o.h.i.t.708@gmail.com // 12345 <--- In Case of GMAIL
129
130before @ <-- Dots are having No Meaning
131
132
133malhotrarohit708@ymail.com // 12345
134
135------------------------------------
136
137These all are gmail security feature :
138
139
140Hacker's <---
141
142Amazon --> abc@gmail.com
143
144Gmail.com --> xyz@gmail.com
145
146Gmail --> rtyui@gmail.com
147
148-----
149
150abc@gmail.com
151
152a.bc@gmail.com
153
154ab.c@gmail.com
155
156a..bc@..
157
158-------------------------------------------
159
160Task :
161
162What is the Use of IP Address
163
164
165IP Address - IPv4 | IPv6
166
167Public | Private
168
169NAT
170
171DHCP
172
173Default Gateway
174
175--------------------------------------------