Saturday, July 31, 2021

Troubleshoot TCP/IP Model

 How can troubleshoot TCP/IP Model 

1. Physical Layer 

    Electrical Signaling

    Hubs

    Repeaters

    Radio Waves

    Twisted Pair Cable

2. Data Link Layer

    Ethernet

    Network Interface Cards 

    Frames

    MAC Address

    Network Switching

3. Network Layer 

    IP Address

    Rackets

    Routing

4. Transport Layer

    TCP

    UDP

    Port Number 

    

    

IP Addressing Scheme

 IP Addressing Scheme 

Class A    -        0    -    127

Class B    -    128    -    191

Class C    -    192    -    223

Class D    -    224    -    239

Class E    -    240    -     255

Range 

Class A  -  1.0.0.0.0     to    126.0.0.0

                  Network - 128    Host - 16,774,214

Class B  -  128.1.0.0    to    191.254.0.0

                  Network - 16,384    Host - 65,534

Class C  -  192.0.1.0    to     223.255.254.0

                  Network - 2,097,152    Host - 254

Friday, July 30, 2021

Rj 45 connector

 T568 A                                          T568 B 

1. White Green                               White Orange 

2. Green                                          Orange

3. White Orange                             White Green 

4. Blue                                            Blue

5. White Blue                                 White Blue 

6. Orange                                        Green

7. White Brown                              White Brown

8. Brown                                         Brown 


Straight Through 

    568A ------------------------------------------568A

    568B-------------------------------------------568B


Crass Over

    568A-------------------------------------------568B   


Roal Over 

    568A/568B

    0----------------------------------------------------0

    (Color code 1-8)                    (Color code 8-1)



OSI Model (7 Layers) & TCP/IP Model

 OSI Model (7 Layers)

Application Layer

Presentation Layer

Session Layer

Transport Layer

Network Layer

Data Link Layer

Physical Layer


TCP/IP Model (4Layer)

Application Layer             -    HTTP Protocol 

Transport Layer                -    (TCP) Transmission Control Protocol 

Internet Layer                   -    (IP) Internet Protocol 

Network Access Layer     -    Ethernet Protocol 


RAM (How can Identify)

 RAM  (How can Identify)

DDR - Double Data Rate 

SDRAM    -    3.3v                 100 - 166

DDR1        -    2.5v/20.6         266 - 400

DDR2        -    1.8v                 533 - 800

DDR3        -    1.35v/1.5v     1066 - 1866

DDR4        -    1.2v                2133 - 3600

DDR5        -    1.1v                4400 - 6400 

Computer (Software for Troubleshooting)

 Computer (Software for Troubleshooting)

ip config

ping

tracert

nslookup

netstat 

Computer Care

 Computer Care 

Hardware, Software, Networking & Graphic Design 






Friday, July 23, 2021

Computer MS Office Shortcut Keys

 Computer MS Office Shortcut Keys



Computer MS Office Shortcut Keys

 Computer MS Office Shortcut Keys 

Short Cut Keys for Home Tab

F1                         More Help

F2                         Rename

Ctrl + Z                 Undo Typing

Ctrl + Y                 Repeat Copy

Ctrl + Shift + C     Format Painter

Ctrl + Shift + F     Font (Change the font face)

Ctrl + Shift + P     Font Size (Change the font size)

Ctrl + >                 Grow Font (Increase the font size)

Ctrl + <                 Shrink Font (Decrease the font size)

Ctrl + B                 Bold (Make the selected text bold)

Ctrl + I                  Italic (Italicize the selected text)

Ctrl + U                Underline (Underline the selected text)

Ctrl + =                 Subscript (Create small letters below the text baseline)

Ctrl + Shift + +     Superscript (Create small letters above the line of text)

Ctrl + L                 Align Text Left

Ctrl + E                 Centre (Centre Text)

Ctrl + R                 Align Text Right

Ctrl + J                 Justify

Ctrl + F                 Find (Find text in the document)

Ctrl + H                Replace (Replace text in the document)

 


Computer (Parts of Computer)

 Computer (Parts of Computer)

In this video you have learn very simple way Parts of  Computer 



Computer History

 Computer History (Generation I to Vth)

In this Video Computer History at a glance With Question Paper 


Basic Computer

 Basic Computer Knowledge 


Thursday, July 22, 2021

 Good Afternoon 

I am Mridul Kumar. I am Computer engineer, Trainer (PMKVY), and Artist.

In this Blogger I suggest & support many topics in computer field. 

Search and enjoy and follow me. 

Computer Care

पायथन सीखने की स्टेप बाय स्टेप गाइड (हिंदी में)

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