Networking Basics - Sales Account Manager Training
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Networking Basics - Sales Account Manager Training



Training for Sales Account Mangers on Networking Basics.

Training for Sales Account Mangers on Networking Basics.



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    Networking Basics - Sales Account Manager Training Networking Basics - Sales Account Manager Training Presentation Transcript

    • Networking BasicsArjun Vasanthakumar
    • Agenda• Network Definition• Types of Network• Network Terms• OSI Model• Network Components• Enterprise Network Architecture
    • Network Definition
    • What is Network?• A network, is a collection of computers and devices interconnected to facilitate communications among users and allows users to share resources.
    • Types of Network
    • Local Area Network• Connects computers and devices in a limited geographical area
    • Wide Area Network• LANs that spans over a broad area (regional, global)
    • Virtual Private Network• Connects multiple LANs securely over WAN
    • Network Terms
    • Common Network Terms (1)• MAC Address - Physical Address of a Device ▫ E.g. “ 08:00:69:02:01:FC ”• IP Address – Logical Address of a Device ▫ e.g. “ ”• Protocol – Set of rules that govern a communication ▫ e.g. TCP, UDP• Subnet ▫ Block of IP Addresses
    • Common Network Terms (2)• Fast Ethernet ▫ 10/100 Mbits/sec• Gigabit Ethernet ▫ 10/100/1000 Mbits/sec• Power Over Ethernet ▫ Feature that supports a device to pass power along with data on Ethernet Cabling• VLAN ▫ a VLAN is a collection of nodes that are virtually grouped together.
    • Open Systems Interconnection(OSI model)
    • OSI Model• Open Systems Interconnection ( OSI ) is a standard reference model for communication between two end users in a network. The model is used in developing products and understanding networks.
    • OSI model - Layers Application • Network Process to Application (Email, Internet Explorer) Presentation • Data Format, Ensure Data is readable (JPEG, GIF) Session • Establish, Maintain & Disconnect (Host to Host Chat Session) Transport • End to End Connection, Reliability (TCP, UDP) Network • Network Address, Best Path (IP, Router) Data Link • Access to Media (MAC, Switches, Hub) Physical • Binary Transmission (wires, voltages)
    • Network Components
    • Passive Components Application • UTP Cable • Patch Panel Presentation Session Transport • SFP Module • Fibre Cable Network Data Link Physical
    • Network Switch Application ▫ Devices that links nodes in a LAN ▫ Layer 2 Device Presentation ▫ Works on MAC Address Session Transport Network Data Link Cisco 2960 Switch Physical
    • Router Application ▫ Responsible for Routing, Path selection Presentation ▫ Layer 3 Device Session ▫ Works on IP Address Transport Network Cisco 1941 Router Data Link Linksys Router Physical
    • Multi-Layer Switch Application ▫ Device that switches on OSI layer 2 like an ordinary network switch and provides Presentation extra functions on higher OSI layers. ▫ Inter –VLAN Routing Session Transport Network Data Link Cisco 3560, Cisco 4500 & Cisco 6500 Physical
    • Wireless Access Point Application ▫ allows devices to connect to a wired network with out the need of physical Presentation cable Session Transport Network Data Link Cisco Aironet 1140, 1260, 1500 Series Physical
    • Firewall Application ▫ Security Device ▫ Offers protection between Presentation Zones Session ▫ Todays Firewall offers Network to Application Level Protection Transport Network FortiGate UTM Data Link Physical Cisco ASA
    • Enterprise Network Architecture
    • Enterprise Network Architecture
    • Access SwitchConnects End Users, IP Phones tothe LAN .Enterprise Network Architecture
    • Core SwitchTies Access switches together. Normallyservers and storage devices are connectedto this. Enterprise Network Architecture
    • Access SwitchIn Small Offices Access Switch tends totake the role of Core Switch. Enterprise Network Architecture
    • Network StorageStores Data of HeterogeneousClients (Servers, PC’s) Enterprise Network Architecture
    • RouterAllows to terminate WAN Links.E.g. ADSL, MPLS, Lease Line. Enterprise Network Architecture
    • Security ApplianceSecures the Enterprise frominternet attacks Enterprise Network Architecture
    • Wireless Access PointProvides Wireless Networkaccess to the users. Enterprise Network Architecture
    • Unified Communication SystemResponsible for providing IP Telephony,Video Conferencing Services. Enterprise Network Architecture
    • Site to Site VPN allows branch Remote Access VPN allowsoffices to share and access Remote Users to securely accesscorporate resources. corporate resources. Enterprise Network Architecture
    • 3 – Tier Architecture
    • 2 – Tier Architecture (Collapsed Core)
    • Thank You