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Duration 21 hours
Course Outline
Networking Fundamentals and the OSI Reference Model
- Overview of data networks
- Differences between LANs and WANs
- Application-specific types and requirements
- OSI-RM functions and modular network structures
LAN Technology and Ethernet Protocols
- Ethernet standards including 10M, 100M, 1G, and 10Gbps
- Media types: Twisted pairs, cable categories (5/5e), and fiber optic connections
- CSMA/CD algorithm mechanics
- Frame structures (802.3, Ethernet-2, Ethernet-SNAP)
- Addressing common operational issues
LAN Switching: Core Functions and Operations
- Bridging concepts and operational logic
- Switching mechanisms in LAN environments
- HD/FD modes and auto-negotiation technologies
- Virtual LANs (VLANs) and tagging protocols
- Spanning Tree protocols: STP, RSTP, and MSTP
- Link Aggregation (LAG) and Etherchannel; topologies
- Switching strategies for Data Centers
WAN Protocols and Service Architectures
- Public network infrastructure: access, transmission, and switching
- Legacy network architectures and protocols
- End-to-end services: FR, ATM, and Leased lines
- Transmission technologies: SDH, WDM, and DWDM
- Access services: xDSL and Cable/DOCSIS
- Next-generation network frameworks
- Advanced end-to-end services: Carrier Ethernet and MPLS/VPN
- Transmission networks: Carrier Ethernet standards
- Access networks: Advanced xDSL, DOCSIS, and optical tech
Wireless Networks and Wi-Fi Standards
Network architecture elements and topologies
Physical Layer specifications
- 802.11a/b/g standards
- 802.11n with OFDM and MIMO technologies
MAC Layer and Contention Resolution mechanisms
- CSMA/CA, RTS, CTS, and NAV functions
- IEEE 802.11 Frame Formats and addressing schemes
Enhanced features and security
- Wi-Fi security protocols: WEP, EAP, TLS, TTLS, and 802.11x
Wi-Fi QoS management: Contention-based access (AIFS, categories, windows), controlled access (Polling, TXOPs), and quality controls (ADDBTS, streams, TSPECs).
- Cellular Network concepts
Introduction to cellular systems
- Spectrum reuse strategies
- Call setup and management processes
- Core elements: MSC, BSC, BTS, and terminals
- Handover procedures and channel management
Evolution of standards
Involving 3GPP, 3GPP2, and IMT-2000 frameworks
Network progression: From cdma1 to EVDO and GSM to HSPA/LTE
TCP/IP Protocol Suite Overview
- The TCP/IP model and core protocols
- Protocol operational logic
- Governing standards organizations
IPv4: Protocols and Addressing Schemes
- Fundamental IP characteristics
- ARP (Address Resolution Protocol) functionality
- IP frame structure analysis
- IP addressing classes
- Distinguishing private and public addresses
- Subnetting techniques: VLSM and CIDR
- IP address design (Practical exercise)
- DHCP (Dynamic Host Configuration Protocol)
- Multicast operations and IGMP
IPv6: Protocols and Addressing Innovations
- IPv6 characteristics vs. IPv4
- Packet structure and header overview
- IPv6 address categories
- Auto-configuration processes
- Migration strategies from IPv4
Layer 4 Protocols: TCP and UDP
- Layer 4 introduction and well-known ports
- UDP structure and operations
- TCP structure and operations
- TCP connectivity and reliability features
- Sliding window, slow-start, and congestion control
- Sequence and acknowledgement mechanisms
- Calculating maximum TCP throughput (WS and RTT)
- Go-back-N and Selective-Repeat strategies
- Common TCP performance challenges
Routing Fundamentals and Layer 3 Switching
- Principles of the routing process
- Routing domains and areas
- Static versus dynamic routing methods
- Distance-vector and Link-state protocols
- Routing metrics evaluation
- RIP and OSPF implementations
- BGP: eBGP and iBGP distinctions
- Layer 3 switching concepts
- Static and Dynamic NAT
- HSRP and VRRP redundancy protocols
- QoS integration in IP networks
QoS Parameters: Bandwidth, Delay, Jitter, and Loss
- Application requirements vs. network behavior
- Techniques: Classification, marking, policing, shaping, queuing, and RED/WRED
Foundations of Network Security and Components
- Security basics, common threats, and vulnerabilities
- Secured architectures: Firewalls, VPNs, NACs, and dedicated security devices
- Firewall operations: packet filtering and stateful inspection
- Security protocols: Encryption and authentication standards
- Encryption types and definitions
- Symmetric-key algorithms; Block and Stream ciphers
- Public-key cryptography principles
- Hash function applications
- Authentication fundamentals
- Multi-factor authentication methods
- Tokens, Smart Cards, and wireless encryption protocols
- OTP (One-Time Passwords) usage
Introduction to Data Network Design
- Network Engineering overview
- Requirements analysis techniques
- Flow modeling concepts
- High-Level Architectural Design
- Component and Reference architectures
- Architectural models
- Systems and network architecture selection
- Choosing service and vendor architectures
- Low-Level Topological Design
- Enterprise network design principles
- LAN/WAN configuration strategies
- IP network planning
- Security and privacy integration
- Network management design
- Network operations planning
Requirements
Proficiency in standard computer operating systems is required.
Testimonials (2)
The complexity and the way of approaching and presenting the concepts
Andreea GINGU
Course - Data Communications Networks - Theory and Practice
He is very creative and He likes for us to have good questions.
