khan Javid networking

Common Network Issues & Fixes LAN not working? Likely causes: VLAN mismatch, duplex mismatch, switching loop, wrong IP/subnet. Fix: check VLANs, enable STP, match duplex, correct IPv4. #Networking #IPv4 #khanitsolutions #khanjavidnetworking

“Routing decides the best path. Configuration brings the router to life. Learn how routing works + basic router setup to build fast, reliable, secure networks. #Networking #Routing #Cisco #CCNA #ITTraining #TechEducation

🔹 TCP/IP Transport & Application Layers — Explained Simply! The Transport Layer ensures your data reaches safely (TCP) or fast (UDP). The Application Layer is where apps like HTTP, DNS, and Email actually run. #Networking #TCPIP #CyberSecurity #ITSolutions #NetworkingBasics

Ethernet = The backbone of connectivity! It defines how devices share data in the TCP/IP model’s Network Access Layer — reliable, fast & scalable. Empower your LAN with KHAN IT SOLUTIONS #Ethernet #Networking #TCPIP #KhanITSolutions

Thread: What is Cisco IOS and Why It Matters? 1️⃣ Cisco IOS is the operating system running Cisco routers/switches. 2️⃣ Handles Routing, Switching, Security, and QoS. 3️⃣ Gives IT admins full control via CLI. 4️⃣ Built for performance, uptime, and reliability. #TechEducation #Cisco

Intel 🟦 vs AMD 🔴 ✔ Intel = Reliable, efficient, strong single-core ✔ AMD = More cores, better multi-threading, affordable Core Limits: 🟦 Intel → 2–24 (mainstream), up to 60+ (Xeon) 🔴 AMD → 2–96 (Ryzen/Thread ripper), up to 128 (EPYC) #Intel #AMD #Processors

💻 Computer Networking = Business Growth 🚀 From faster communication to secure data & cloud access — networking keeps your business connected and efficient. #ComputerNetworking #ITSolutions #BusinessGrowth

What is Computer #Networking? It’s the foundation of modern IT — connecting devices, sharing data & powering cloud solutions. 💡 Without it, the digital world wouldn’t exist. #Tech #ITSolutions #Networking

Each core = more tasks handled simultaneously. From basic typing → high-end AI workloads, cores make all the difference! 🔑 Single Core → Basic tasks 🔑 Dual Core → Everyday use 🔑 Quad/Hexa → Gaming & multitasking #CPU #Processor #PCBuild #PCGaming #TechTips #Servers

🚀 MPLS vs SD-WAN – The WAN showdown! ✅ MPLS = Reliable, private, costly ✅ SD-WAN = Flexible, cloud-first, cost-effective 🔗 Choose the future of networking wisely! #SDWAN #MPLS #Networking #CloudNetworking #FutureOfNetworking #TechTrends

Benefits of EtherChannel ✅ More Bandwidth ✅ Fault Tolerance ✅ Easier Management ✅ High Availability EtherChannel = Stronger, Smarter Networks 💡 #CCNP #CCNA #SysAdmin #EtherChannel

🚀 Did you know? Dynamic Trunking Protocol (DTP) is used in Cisco switches to negotiate trunk links automatically. ✅ Saves time ✅ Reduces config errors ✅ Simplifies VLAN communication #DynamicTrunkingProtocol #DTP #CiscoNetworking #NetworkingBasics #TechFacts #CCNA

TP (VLAN Trunking Protocol) = Cisco’s way of managing VLANs across switches 🚀 ✅ Simplifies VLAN updates ✅ Ensures consistency Modes: Server | Client | Transparent #Networking #Cisco #CCNA #VLAN #TechTips

🔥 Traditional Firewall vs. Next-Gen Firewall (NGFW) Old: Blocks IPs & Ports New: Understands Apps, Users & Threats 🛡️ NGFW = Smarter, Deeper, Safer 👉 See the comparison image! #NGFW #CyberSecurity #Firewall #NetworkSecurity #TechTrends #ITSecurity #Infosec

💽 HDD Features 🔹 Magnetic storage 🔹 High capacity 🔹 Cost-effective 🔹 Slower than SSD 🔹 Ideal for backups & bulk storage Still reliable for mass data! #HDD #HardDrive #DataStorage #TechTips #PCBuild #ITBasics #StorageDevice #TechTwitter

💻 What’s the difference between a Laptop and a Desktop? ✔ Laptop = Portable, battery-powered, great for remote work ✔ Desktop = Powerful, upgradeable, best for gaming & editing Choose what fits your needs! #LaptopVsDesktop #TechTips #ComputerBasics #RemoteWork #PCBuild

💻 Intel vs AMD – Laptop & Desktop Battle 🖥️ 🔹 Intel: Great single-core, better battery 🔹 AMD: Strong multi-core, budget-friendly 🎮 Intel = gaming champ 🎥 AMD = content creator’s friend #IntelVsAMD #TechTalk #PCBuild #LaptopBuyers #AMD #Intel #TechTwitter #PCGaming

🔐 Load Balancer vs. Firewall – Key Differences Understand how they differ in function, security, and use cases. One improves performance. The other protects your network. #CyberSecurity #Firewall #LoadBalancer #NetworkSecurity #ITInfrastructure #TechInsights

Legacy Firewall vs Next-Gen Firewall (NGFW) Legacy: Basic filtering (IP/Port) NGFW: App control, IPS, SSL inspection, User ID Better visibility = Better protection! Which one secures your network? #CyberSecurity #Firewall #NGFW #NetworkSecurity #Infosec #ITSecurity #SysAdmin

🧱 Layer 2 Protocols Explained 🔹 Ethernet 🔹 VLAN (802.1Q) 🔹 STP 🔹 PPP 🔹 LACP They manage MAC addressing, error checking & frame delivery. Essential for LAN, switching & segmentation! #Layer2 #VLAN #STP #Networking #Cisco #OSIModel #TechTwitter #NetEng #SysAdmin