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Course Overview The field of networking continues to evolve, driven by increasingly sophisticated user requirements and applications which place growing demands on networks. Today's professionals must have a solid foundation in networking concepts and practices to streamline enterprise operations. This course provides you with a working knowledge of IP addressing, TCP/IP operation, LAN solutions, Quality of Service (QoS) requirements, wireless network options, security elements, enterprise internetworking and modern hardware. Audience This course is valuable to anyone who needs an introduction to networking technology and data communication systems. The course is particularly beneficial to managers, developers, IT staff and help desk personnel. Skills Gained - Apply fundamental network concepts, terminology and solutions
- Implement networks using data links and physical media
- Deploy Local Area Networks (LANs) using Ethernet and Wi-Fi
- Build reliable internetworks and intranets using effective TCP/IP design
- Enhance network security using industry-standard solutions and practices
- Evaluate and select leading-edge enterprise network technologies
Course Outline Introduction Transferring information via networks - Supporting modern applications
- Specifying communication requirements
Defining networks, form and function - Supporting QoS
- Classifying networks:
- LAN
- WAN
- Packet
- Circuit
- Wired
- Wireless
Employing protocols and operating systems - Standardising data communications
- Dividing tasks with layered protocols
Constructing Data Links Improving efficiency with error-control - Detecting and correcting errors
- Forwards and feedback error correction
Encoding information - Defining bits, bytes and words
- Taking advantage of digital encoding
Framing and timing data - The necessity of using frames
- Reducing errors with synchronous encoding
Deploying Physical Media Identifying media types and challenges - Selecting copper cable types
- Benefiting from fiber optics
Employing wireless links - Utilising radio frequencies and bands
- Managing interference and noise
Capitalising on Ethernet Examining 802 LAN standards - Forwarding with MAC addresses
- Contrasting shared and switched LANs
Investigating Ethernet operations - Maximising the cost-benefit ratio
- Dissecting Etherswitch operation
- Adding QoS to Ethernet
- Comparing Layer 2 and Layer 3 switching
Harnessing Wi-Fi for User Mobility Communicating via radio waves - Types of Wi-Fi networks: a, b, g and n
- Capitalising on instant infrastructure
Integrating Wi-Fi operations - Mitigating the challenges of sharing bandwidth
- Verifying accurate transmission
Deploying Access Points (AP) - Forwarding traffic via the AP
- Utilising Service Set Identifiers (SSIDs)
Building Internetworks Using TCP/IP and Routers TCP/IP: A practical protocol suite - Employing TCP for data and UDP for voice and video
- Distinguishing between hosts and routers
- Taking advantage of TCP/IP's multiple applications and utilities
- Streamlining data and VoIP traffic
IP addressing and datagrams - Increasing efficiency with well-designed addressing schemes
- Interpreting net-prefixes and subnet masks
How routers operate - Relaying traffic with NetID & routing tables
- Discovering paths with routing protocols
- Upgrading routers for QoS
Implementing Security Best Practices Virtual Private Networks (VPNs) - Authenticating users
- Enabling VPN encrypted tunnels
- Providing information integrity
Benchmarking risks and deploying countermeasures - Analysing threats and security requirements
- Encrypting data
- Adopting digital certificates and signatures
Ensuring LAN security - Wi-Fi security: WPA, 802.11i, AES
- Isolating workgroups with VLANs
Creating Enterprise Networks Employing telecom circuits - Circuit-switching data streams
- Deploying E1 and T1 leased lines
Facilitating inter-site communications - Choosing xDSL options
- LAN Extension Services (LES)
- Integrating teleworkers and branch offices
Selecting scalable carrier data-services - MultiProtocol Label Switching (MPLS)
- ATM
- Frame Relay
- Enhanced ISP servicesy
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