Description
The "Networks: Fundamentals and Simulations" training aims to provide an in-depth understanding of computer networks and how they work.
Who is this training for ?
For whom ?
Computer maintenance technician, Junior network administrators, System administrators needing to review network fundamentals
Prerequisites
Computer knowledge
Training objectives
Training program
- Discover the fundamentals of networks
- - Presentation of networks
- - The different elements and their roles
- - Users and their needs
- - Architecture and topology aspects
- - Network scopes: PAN, LAN, MAN and WAN
- Understanding the OSI Model Structure
- - Organization
- - Encapsulation principle
- - Presentation of the 7 layers
- Discover the communication supports
- - Limited and non-limited supports
- - Twisted pairs
- - Optical fibers
- - Wireless links
- Identify the different network equipment
- - Repeaters and Hubs
- - Bridges and Switches
- - The Spanning Tree (principle and mode of operation)
- - Routers: roles and interest
- - Discovery of active elements: LLDP and CDP protocols
- How wireless networks work
- - WLAN concept
- - SSID
- - Communication methods 802.11, 802.11a;b;g;n
- - Security: WEP, WPA, WPA2, EAP, 802.1x, RADIUS
- Discover the Link layer
- - Media access methods: concept of collision
- - Collision management: CSMA/CD and CSMA/CA
- - Concept of MAC address: role and format
- - Unicast, Broadcast and Multicast MAC address
- - Format of an Ethernet frame
- - Port aggregation: 802.3ad standard, LACP and PAGP protocols
- Understanding the IP protocol
- - Addresses and address classes
- - Classless addresses: CIDR
- - Unicast, Broadcast and Multicast
- - IP/MAC resolution: protocol ARP
- - The IP protocol
- - Format of an IP packet
- Manage subnets
- - Subnet concepts and CIDR notation
- - Subnet aggregation: VLSM
- Know the ICMP protocol
- - Principle
- - Structure of an ICMP datagram
- - Usage examples: ping and traceroute
- IP Routing
- - Routing overview
- - Routing table
- - Static routing
- - Dynamic routing
- - - Principles
- - - Dynamic routing types
- - - Main protocols (OSPF, EIGRP,ISIS, BGP)
- - MPLS overview
- Understanding VLANs
- - Principle of VLANs
- - Types of VLANS
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- IPv6 Overview
- - IPv4 address space issues
- - Introduction to IPv6
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- Understanding UDP and TCP protocols
- - Transport layer protocols: concept of port and socket
- - UDP - communication in non-connected mode
- - Structure of a UDP datagram
- - TCP: communication in connected mode
- - Principle of establishing a TCP connection
- - Structure of a TCP segment
- - Sequence numbers, windows and acknowledgments
- - The states of a TCP connection
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- Understanding the DHCP service
- - DHCP: Dynamic IP configuration
- - Structure of a DHCP negotiation
- - DHCP relay
- - Other services provided by DHCP
- -
- Discover the DNS service
- - Name resolution
- - Role and interest of DNS
- - DNS architecture and the different types of DNS servers
- - Iterative and recursive queries
- - The DNS Name Server
- - - Primary Server
- - - Secondary Server
- - - Zone Transfer
- - DNS Records
- - Zone delegation
- - DNS query: nslookup and dig utilities
- - Coupling with DHCP: dynamic updates
- -
- Understanding VPNs
- - Principles of a VPN
- - Typology of VPNs
- - Main protocols: GRE, PPTP, L2TP, IPSec, SSL/TSL
- -
- Become aware of network security
- - Security issues
- - Filtering router
- - Address/port translator
- - Proxy
- - Firewall
- - DMZ
- -
- Set up a simple network of virtual machines
- - Reminder of the basics with simple routing solution
- - Adding static route(s)
- - Attempting to access the Internet: problem, analysis and resolution
- -
- Set up a virtual machine network with NAT/PAT
- - Using Private Address Ranges
- - Implementing NAT
- - Installing a Web Server on the LAN
- - Implementing work of PAT
- Detection/diagnosis of network operating anomalies
- - Malfunction detection
- - Analysis of the approach
- - Proposal of corrections
- - Implementation of corrections
