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Course Outline
Introduction to networking and the OSI reference model
- Overview of data networks
- LANs and WANs
- Application types and requirements
- Functions of the OSI-RM and the modular structure of data networks
Introduction to LAN technology and Ethernet protocols
- The Ethernet protocol and 10M/100M/1G/10Gbps Ethernet
- Ethernet media types (Twisted Pairs, cable categories 5/5e, fiber optic cables, and connectors)
- CSMA/CD algorithm
- Frame structure (802.3, Ethernet-2, Ethernet-SNAP)
- Common troubleshooting issues
LAN Switching – Functionality and Operation
- Characteristics and operation of LAN bridges
- Functioning of LAN switches
- LAN switch technology – HD/FD and auto-negotiation
- VLANs (Virtual LAN) and VLAN tagging
- Spanning Tree protocols - STP/RSTP/MSTP
- LAG and Etherchannel; LAN structure and topologies
- Data Center switching
WAN Protocols and Services
- Public network structure – access, transmission, and switching
- Traditional network architecture and protocols
- End-to-end services - FR, ATM, and Leased lines
- Transmission services – SDH and WDM/DWDM
- Access services – xDSL, CaTV/DOCSIS
- Next-generation networks
- End-to-end services – Carrier Ethernet and MPLS IP-based services
- Transmission networks – Carrier Ethernet
- Access networks – advanced xDSL, DOCSIS, and Optical technologies
Wireless Network and Wi-Fi
Network architecture – elements and network topologies
The physical layer
- 801.11a/b/g
- 801.11n - OFDM and MIMO
The MAC layer - Contention Resolution
- CSMA/CA, RTS, CTS, and NAV
- IEEE 802.11 Frame Format and Addressing
Additional features
- WiFi security – WEP, EAP, TLS, TTLS, and 802.11x
WiFi QoS - Contention Based Access - AIFS, Access Categories, and Contention Windows. Controlled Access - Polling and TXOPs. Managing Quality of Service - ADDTS, Traffic Streams, and TSPECs.
- Cellular Networks
Introduction
- Frequency spectrum re-use
- Call setup and management
- Main servers - MSC, BSC, BTS, and terminals
- Handovers and Channels
Standards and evolution
3GPP, 3GPP2, and IMT-2000
Network evolution – cdma1 to EVDO/DV and GSM to HSPA and LTE
Introduction to TCP/IP
- The TCP/IP model and common protocols
- Protocol operation
- Standard organizations
IPv4 – Protocol and Addressing
- IP characteristics
- ARP – Address Resolution Protocol
- IP frame structure
- IP addressing and address classes
- Private and public addresses
- Subnetting an IP address space – VLSM and CIDR
- IP address design (Exercise)
- DHCP – Dynamic Host Configuration Protocol
- Multicast and IGMP
IPv6 – Protocol and Addressing
- IPv6 characteristics and comparison with IPv4
- Packet structure and headers (brief overview)
- IPv6 addresses and address categories
- The Auto-configuration process
- Migration from IPv4
L4 Protocols – TCP and UDP
- Introduction to layer 4 protocols and well-known ports
- UDP packet structure and operation
- TCP packet structure and operation
- TCP connectivity and reliability
- TCP sliding window, slow-start, and congestion avoidance
- Sequence and acknowledge numbers
- Calculating TCP maximum throughput (WS and RTT)
- Go-back-N and Selective-Repeat
- TCP performance issues
Routing and L3 Switching basics
- Principles of the routing process
- Routing domains and areas
- Static and dynamic routing
- Distance-vector and Link-state protocols
- Routing metrics
- RIP and OSPF
- BGP – eBGP and iBGP
- L3 Switching
- Static and Dynamic NAT
- HSRP and VRRP
- QoS in IP Networks
QoS parameters – Bandwidth, Delay, Jitter, and Packet Loss
- Application requirements and network behavior
- Classification and marking, Policing and shaping, Queuing, RED/WRED
Network Security Basics and Components
- Network security basics, threats, and vulnerabilities
- Secured network architecture – FWs, VPNs, NACs, and security devices
- FW operation – packet filtering and stateful inspection
- Security protocols – Encryption and Authentication
- Encryption types and definitions
- Symmetric-key algorithms; Block and Stream Ciphers
- Public-key cryptography
- Hash Functions
- Authentication basics
- Multi-factor authentication
- Tokens and Smart Card encryption; Wireless encryption protocols
- OTP - One Time Passwords
Introduction to Data Networks Design
- Introduction to Network Engineering
- Requirements analysis
- Flow models
- Architecture (High-Level) Design
- Component architecture and Reference architecture
- Architectural models
- Systems and network architectures
- Service and vendor architecture choices
- Topology (Low-Level) Design
- Enterprise network design
- LAN/WAN design
- IP network design
- Security and privacy design
- Network management design
- Network operations design
Requirements
Technical proficiency with basic computer operating systems.
21 Hours
Custom Corporate Training
Training solutions designed exclusively for businesses.
- Customized Content: We adapt the syllabus and practical exercises to the real goals and needs of your project.
- Flexible Schedule: Dates and times adapted to your team's agenda.
- Format: Online (live), In-company (at your offices), or Hybrid.
Price per private group, online live training, starting from 4800 € + VAT*
Contact us for an exact quote and to hear our latest promotions
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.
