Business Data Communication and Networking

• Introduction
• Data Communications Networks (Components of a Network, Types of Networks)
• Network Models (Open Systems Interconnection Reference Model, Internet Model, Message Transmission Using Layers )
• Network Standards (The Importance of Standards, The Standards-Making Process, Common Standards)
• Future Trends (Wireless LAN and BYOD, The Internet of Things, Massively Online).

• Introduction
• Application Architectures (Host-Based Architectures , Client-Based Architectures, Client-Server Architectures, Cloud Computing Architectures, Peer-to-Peer Architectures, Choosing Architectures )
• World Wide Web (Working of WWW , HTTP Request and Response)
• Electronic Mail (Working of Email, SMTP Packet, Multipurpose Internet Mail Extension )
• Other Applications (Telnet, Instant Messaging , Videoconferencing).

• Introduction
• Circuits (Circuit Configuration, Data Flow, Multiplexing)
• Communication Media (Twisted Pair Cable , Coaxial Cable , Fiber-Optic Cable , Radio, Microwave, Satellite, Media Selection)
• Digital Transmission of Digital Data (Coding, Transmission Modes, Digital Transmission , How Ethernet Transmits Da ta)
• Analog Transmission of Digital Data (Modulation, Capacity of a Circuit , How Modems Transmit Data )
• Digital Transmission of Analog Data (Translating from Analog to Digital , How Telephones Transmit Voice Data, How Instant Messenger Transmits Voice Data , Voice over Internet Protocol).

• Introduction
• Media Access Control (Contention, Controlled Access , Relative Performance)
• Error Control (Sources of Errors, Error Prevention, Error Detection, Error Correction via Retransmission, Forward Error Correction , Error Control in Practice )
• Data Link Protocols ( Asynchronous Transmission , S ynchronous Transmission )
• Transmission Efficiency.

• Introduction
• Transport and Network Layer Protocols (Transmission Control Protocol , Internet Protocol )
• Transport Layer Functions (Linking to the Application Layer , Segmenting, Session Management )
• Addressing (Assigning Addresses , Address Resolution)
• Routing (Types of Routing , Routing Protocols, Multicasting, The Anatomy of a Router )
• TCP/IP Example (Known Addresses , Unknown Addresses , TCP Connections, TCP/IP and Network Layers).

• Introduction
• LAN Components (Network Interface Cards , Network Circuits , Network Hubs, Switches, and Access Points , Network Operating Systems )
• Wired Ethernet (Topology, Media Access Control , Types of Ethernet )
• Wireless Ethernet (Topology, Media Access Control , Wireless Ethernet Frame Layout , Types of Wireles s Ethernet , Security)
• The Best Practice LAN Design (Designing User Access with Wired Ethernet , Designing User Access with Wireless Ethernet, Designing the Data Center, Designing the e-Commerce Edge , Designing the SOHO Environment )
• Improving LAN Performan ce (Improving Server Performance , Improving Circuit Capacity , Reducing Network Demand).

• Introduction
• Switched Backbones
• Routed Backbones
• Virtual LANs (Benefits of VLANs, How VLANs Work)
• The Best Practice Backbone Design
• Improving Backbone Performance (Improving Device Performance , Improving Circuit Capacity , Reducing Network Demand).

• Introduction
• Dedicated-Circuit Networks (Basic Architecture , T-Carrier Services , SONET Services )
• Packet-Switched Networks (Basic Architecture , Frame Relay Services, IP Services, Ethernet Services)
• Virtual Private Networks (Basic Architecture, VPN Types , How VPNs Work )
• The Best Practice WAN Design
• Improving WAN Performance (Improving Device Performance , Improving Circuit Capacity , Reducing Network Demand).

• Introduction
• How the Internet Works (Basic Architecture, Connecting to an ISP , The Internet Today)
• Internet Access Technologies (Digital Subscriber Line , Cable Modem, Fiber to the Home , WiMax)
• The Future of the Internet (Internet Governance, Building the Future).

Introduction to Network Design (Network Architecture Components, The Traditional Network Design Process, The Building -Block Network Design Process) ; Needs Analysis (Network Architecture Component, Application Systems, Network Users, Categorizing Network Needs, Deliverables); Technology Design (Designing Clients and Servers, Designing Circuits, Network Design Tools, Deliverables); Cost Assessment (Request for Proposal, Selling the Proposal to Management, Deliverables) . Introduction to Network Management; Designing for Network Performance (Managed Networks , Managing Network Traffic , Reducing Network Traffic ); Configuration Management (Configuring the Network and Client Computers , Documenting the Configuration ); Performance and Fault Management (Network Monitoring , Failure Control Function , Performance and Failure Statistics , Improving Performance ); End User Support (Resolving Problems , Providing End User Training ); Cost Management (Sources of Costs, Reducing Costs). Laboratory Works: The laboratory work consists of:

• Understanding of Network equipment and wiring
• Using basic Networking commands
• Working with IP addressing and subnetting Linux/windows machine
• Learning to use Packet Tracer, creating and testing LAN, working with VLANs
• Learning basic Router Configuration and routing
• Implementing firewall, router access control list
• Learning packet capture and header analysis of TCP, UDP, and IP
• Configuring DNS, Web, and FTP server