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BA#oloid
@barbara.weinzierl
#Osler Node
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MEOsler's Node are Feature Of...❓
#norcet #mbbs #nursingstudent #viralvideo #cardiology
Comment Your Answer 👇👇
@medico_1199
232
CYOSI Model
#be_cyber_safe
#networksecurity
#ᴠɪʀᴀʟᴘᴏsᴛ
#growthmindset
🌐 The 7 Layers of the OSI Model
1. Physical Layer
This is the lowest layer, responsible for transmitting raw bits over a physical medium such as cables, switches, or wireless signals. It deals with hardware elements like voltage levels, connectors, and data rates.
2. Data Link Layer
This layer ensures reliable data transfer between two directly connected devices. It handles error detection, frame synchronization, and MAC addressing.
3. Network Layer
Responsible for routing data packets across multiple networks. It determines the best path for data to travel using logical addressing like IP addresses.
4. Transport Layer
This layer ensures end-to-end communication and reliability. It manages data flow, error recovery, and segmentation using protocols like TCP and UDP.
5. Session Layer
Manages sessions or connections between applications. It establishes, maintains, and terminates communication sessions.
6. Presentation Layer
Acts as a translator between the application and the network. It handles data encryption, compression, and formatting so that different systems can understand each other.
7. Application Layer
The top layer, closest to the end user. It provides network services directly to applications like web browsers, email clients, and file transfer programs.
📌 Why the OSI Model is Important
Simplifies network troubleshooting by isolating issues to specific layers
Promotes interoperability between different systems and vendors
Helps in designing and understanding complex network architectures
Serves as a standard teaching tool in networking and cybersecurity
💡 In Simple Terms
Think of the OSI model like sending a message: each layer adds its own instructions (packaging, addressing, delivery rules), ensuring the message reaches the correct destination accurately and securely.
@cybertechie4u
1.5K
ME**“Master the backbone of networking! 🌐🔥
The OSI Model breaks down how data travels across networks into 7 powerful layers — from physical cables to the apps you use every day.
Understanding this = stronger IT skills 💻🚀
📌 Save this for quick revision & level up your tech knowledge!
— MehraTech”**
#MehraTech #OSIModel #Networking #ComputerNetworking #TechExplained ITBasics LearnNetworking TechIndia DigitalSkills InformationTechnology TCPIP NetworkingConcepts TechLearning StudyGram ReelsIndia
🔹 Designed by MehraTech
🔹 https://www.facebook.com/mehratech
We lost our old page, but not our passion for technology 💙
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👉 Follow the new MehraTech page
👉 Like, share & support us again
Your support means everything 🙏
@mehratech
4.5K
KOOSI Model demystified in one video ✨
Ever wondered how your browser talks to a website? The OSI model breaks it down into 7 layers - from your HTTP request getting encrypted with SSL, wrapped in TCP reliability, tagged with IP addresses, to finally traveling as electrical signals. Watch as we unwrap each layer! 🔓
#OSIModel #SystemDesign #Networking #TechEducation #WebDevelopment #HTTP #TechExplained #LearnTech #SoftwareEngineering #ComputerScience #kodekloud
@kodekloud
2.4K
TE7 layer osi model
#cybersecurity #networking #linux #aws #devops
@tech_rv17
64.4K
DRОсмолярность - это показатель того, сколько растворённых частиц находится в жидкости (кровь, плазма, раствор).
Чем выше осмолярность, тем «гуще» среда и тем активнее вода будет двигаться через мембраны.
Именно поэтому осмолярность влияет на:
• отёки и дегидратацию
• внутримозговое давление
• выбор инфузионных растворов
📌 Осмолярность - это водный баланс, а не «просто цифра в анализе»
#объясняюзаминуту #реанимация #инфузионнаятерапия #осмолярность #ICUbrag
@dr__bragina_icu
26.1K
ALAWS Load Balancer and OSI Layers
@alden.social
19.2K
IT🔵 OSI Model 🔵
#شبکه_کامپیوتر #لایه_شبکه
#osi_model #osimodel #network
@it.man___
128
EXIt looks like you meant ISO and OSI model—these are closely related in computer networking. Let’s explain them clearly 👇
🔹 What is ISO?
ISO (International Organization for Standardization) is an organization that develops international standards.
Full form: International Organization for Standardization
Founded: 1947
Purpose: To create standards for technology, communication, quality, etc.
👉 In networking, ISO created the OSI Model to standardize communication between different systems.
🔹 What is OSI Model?
OSI (Open Systems Interconnection) Model is a conceptual framework used to understand how data travels over a network.
Developed by ISO
Divides communication into 7 layers
Helps in:
Network design
Troubleshooting
Understanding data flow
🔹 7 Layers of OSI Model
1. Physical Layer
Deals with hardware and transmission
Examples: cables, switches, signals
Function: Sends raw bits (0s and 1s)
2. Data Link Layer
Responsible for error detection and correction
Works with MAC addresses
Devices: Switches
3. Network Layer
Handles routing and addressing
Uses IP addresses
Device: Router
4. Transport Layer
Ensures reliable data delivery
Protocols: TCP, UDP
Functions:
Error checking
Flow control
5. Session Layer
Manages sessions/connection
Opens, maintains, and closes communication
6. Presentation Layer
Deals with data format and encryption
Converts data into readable format
Example: Encryption/Decryption
7. Application Layer
Closest to user
Provides services like:
Email
Web browsing
Protocols: HTTP, FTP, SMTP
🔹 Easy Trick to Remember Layers
👉 Top to Bottom:
A P S T N D P
(Application → Physical)
👉 Bottom to Top:
Please Do Not Throw Sausage Pizza 🍕
🔹 Summary
ISO → Organization that creates standards
OSI Model → 7-layer framework for network communication
Used to understand how data moves from sender to receiver
#trending #networking #technology #topology orking #osi
@explore_1612
131
SAMost people memorize the OSI model… but don’t really understand what it does.
The OSI model is not just theory — it’s a structured way to understand how data moves across a network, layer by layer.
When you send a request (like opening a website), your data doesn’t just “go” to the server. It gets processed step-by-step:
• Application layer creates the request (HTTP, FTP, etc.)
• Presentation layer handles encryption and formatting (SSL/TLS)
• Session layer manages the connection lifecycle
• Transport layer ensures reliable delivery using TCP/UDP
• Network layer handles IP addressing and routing
• Data Link layer manages MAC addressing and framing
• Physical layer transmits raw bits as signals
Each layer has a specific responsibility.
That’s the whole point — separation of concerns.
And this is exactly why debugging networks becomes easier.
If something breaks, you don’t guess — you isolate the layer.
For example:
No internet? Could be Physical.
Wrong IP routing? Network layer.
Packet loss? Transport layer.
So don’t just mug up the layers — understand the flow.
That’s what actually makes you better than 90% of developers.
And yeah, if you still struggle remembering it:
All People Should Try New Domino’s Pizza 🍕
#osimodel #computernetworks #networkingbasics #backenddevelopment #systemdesign
@sankalp.codes
264.0K
CLUnderstand the OSI Model — Think Like a Network Engineer
The OSI model breaks networking into clear layers, helping you understand how data moves, where problems happen, and how attacks are executed.
From HTTP and encryption to TCP, IP, and physical connections — each layer has its role and its risks.
If you want to troubleshoot faster, secure systems better, and truly understand networking, the OSI model is your foundation.
Save it. Learn it. Use it.
⸻
Понимание модели OSI — мышление сетевого инженера
Модель OSI делит сеть на уровни, чтобы было понятно, как передаются данные, где возникают ошибки и на каком уровне происходят атаки.
От HTTP и шифрования до TCP, IP и физического подключения — у каждого уровня своя задача и свои уязвимости.
Если ты хочешь быстрее находить проблемы, лучше защищать системы и реально понимать сети, модель OSI — это база.
@cloudcity.center
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