CSST COURSE 1.0

Q1. WHAT IS A ADDRESSING.

Network addressing is like a two-part delivery system:

Logical Addressing (IP): This is like your permanent address (e.g., 192.168.1.1) that lets data find your device anywhere on the internet.

Physical Addressing (MAC): Think of this as a unique ID for your device's network card (AA:BB:CC:DD:EE:FF) used for local delivery within your network.

Q2. WHAT IS A PACKET AND FRAME .

Packets:

Layer: Network Layer (Layer 3)

Content: The actual data you want to send, like an email, a video, or website information.

Addressing: Contains logical addresses (IP addresses) to identify the sender and receiver on the network.

Size: Can vary depending on the data type, but generally larger than frames.

Travels across networks: Packets can travel across different networks, like the internet, as they are routed based on IP addresses.

Frames:

Layer: Data Link Layer (Layer 2)

Content: The packet wrapped with additional information for local delivery. This includes the packet itself, plus a header containing the physical addresses (MAC addresses) of the sender and receiver devices.

Addressing: Uses physical addresses (MAC addresses) of network devices for local delivery within a specific network segment (e.g., your home network).

Size: Fixed size depending on the network technology (e.g., Ethernet frames are typically 1500 bytes).

Travels within a network segment: Frames are used to deliver data within a limited area like a local network and don't handle routing across different networks.

Speed test:

Checks how fast you can get water from the outside faucet (internet) into your house (device). This reflects how fast you download and upload things.

Iperf:

Tests how fast water can move through the pipes inside your house (LAN network) between, say, your kitchen sink (one device) and the washing machine (another device).

Comments

TCP/IP MODEL

HISTORY OF TCP/IP MODEL THE TCP/IP MODEL WAS DEVELOPED BY VINT CERF AND BOB KAHN IN THE 1970S. THEY WERE BOTH WORKING AT THE DEFENSE ADVANCED RESEARCH PROJECTS AGENCY (DARPA) AT THE TIME. Vint Cerf And Bob Kahn CERF AND KAHN WERE TASKED WITH DEVELOPING A NEW NETWORK PROTOCOL THAT WOULD BE MORE RELIABLE AND EFFICIENT THAN THE EXISTING PROTOCOLS. THEY CAME UP WITH THE IDEA OF USING A LAYERED APPROACH, WHICH WOULD ALLOW EACH LAYER TO FOCUS ON A SPECIFIC TASK. THIS LED TO THE DEVELOPMENT OF THE TCP/IP MODEL, WHICH IS STILL THE BASIS FOR HOW DATA IS TRANSMITTED OVER THE INTERNET TODAY. CERF AND KAHN ARE OFTEN REFERRED TO AS THE "FATHERS OF THE INTERNET" FOR THEIR WORK ON THE TCP/IP MODEL. THEY WERE INDUCTED INTO THE NATIONAL INVENTORS HALL OF FAME IN 2004 FOR THEIR CONTRIBUTIONS TO THE DEVELOPMENT OF THE INTERNET. HERE ARE SOME OTHER NOTABLE PEOPLE WHO CONTRIBUTED TO THE DEVELOPMENT OF THE TCP/IP MODEL: JON POSTEL: POSTEL WAS THE FIRST CHAIRMAN OF THE INTERNET ENGINEERI...

About Me Information

HELLO FRIENDS, I HOPE YOU ALL ARE DOING WELL. I AM MAKING THIS BLOG FOR THE INFORMATION OF NETWORKING ABOUT. IN THIS BLOG WE WILL READ CCNA (200-301) AND ITS RELATED AND NETWORK RELATED INFORMATION. MY NAME IS ABDUL MANAN JAVED MANJ MY AGE IS 21 YEAR I AM STUDED ABOUT NETWORK TECHNOLOGY EMAIL ID : mananrajpoot449@gmail.com CONTACT NO : +923486777628 ADDRESS : ISLAMABAD,G7,KHADA MARKET My Website My Facebook Account My Facebook Page My Linkedin Profile _____________________________ CONTENT ABOUT HIS BLOGG 1. Computer Network 2. What Is Internet 3. Network Architecture 4. Osi Refrence Model 5. Operating System 6. Internet Protocol (Ip) 7. Internet Protocol Types 8. Port Number 9. Mac-Address 10. WHAT IS HUB 11. WHAT IS SWITCH 12. WHAT IS ROUTER 13. WHAT IS NETWORK 14. NETWORK CABLES 15. ROUTING 16. Data Transmission 17...

Internet Protocol (IP) Address

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