Network Technician

Lesson 1 – Introduction
– Introduction
– Networks Affect our Lives
– Network Components
– Network Representations and Topologies // End Device Roles
– Common Types of Networks
– Internet Connections
– Reliable Networks
– Network Trends
– Network Security
– The IT Professional
– Examples & Exercises

Lesson 2 – Basic Switch and End Device Configuration
– Introduction // Sistemul de operare al unui echipament de retea
– Componentele unui echipament de retea
– The Command Structure
– Basic Device Configuration
– Save Configurations
– Ports and Addresses
– Configure IP Addressing
– Verify Connectivity
– Examples & Exercises

Lesson 3 – Protocols and Models
– Introduction
– The Rules
– Protocols // Communication Rules
– Protocol Suites // Suita de protocoale TCP/IP
– Data Encapsulation
– Reference Models
– Data Access // Cum sunt folosite adresele in networking
– Examples & Exercises

Lesson 4 – Physical Layer
– Introduction
– Purpose of the Physical Layer
– Physical Layer Characteristics
– Copper Cabling
– UTP Cabling
– Fiber-Optic Cabling
– Wireless Media
– Examples & Exercises

Lesson 5 – Number Systems
– Introduction
– Binary Number System
– Hexadecimal Number System
– Examples & Exercises

Lesson 6 – Data Link Layer
– Introduction
– Purpose of the Data Link Layer
– Topologies
– Data Link Frame
– EHTERNET MAC ADDRESS
– Examples & Exercises

Lesson 7 – Ethernet Switching
– Introduction
– Ethernet Frames
– Ethernet MAC Address
– Switch operation
– ARP Operation
– The MAC Address Table
– Switch Speeds and Forwarding Methods
– Examples & Exercises

Lesson 8 – Network Layer
– Introduction
– Network Layer Characteristics
– IPv Packet
– IPv Packet
– How a Host Routes
– Introduction to Routing
– Examples & Exercises

Lesson 9 – Basic Router Configuration
– Introduction
– Configure Initial Router Settings
– Configure Interfaces
– Configure the Default Gateway
– Examples & Exercises

Lesson 10 – IPv4 Addressing
– Introduction
– IPv4 Address Structure
– IPv4 Unicast, Broadcast, and Multicast
– Types of IPv4 Addresses
– Network Segmentation
– Subnet an IPv4 Network
– Subnet a Slash and a Slash Prefix
– Subnet to Meet Requirements
– VLSM
– Structured Design
– ICMPv4
– Examples & Exercises

Lesson 11 – IPv6 Addressing
– Introduction
– IPv4 Issues
– IPv6 Address Representation
– IPv6 Address Types
– GUA and LLA Static Configuration
– Dynamic Addressing for IPv6 GUAs
– Dynamic Addressing for IPv6 LLAs
– IPv6 Multicast Addresses
– Subnet an IPv6 Network
– ICMPv4
– Examples & Exercises

Lesson 12 – Transport Layer
– Introduction
– Transportation of Data
– TCP Overview
– UDP Overview
– Port Numbers
– TCP Communication Process
– Reliability and Flow Control
– UDP Communication
– Examples & Exercises

Lesson 13 – Application Layer
– Introduction
– Application, Presentation, and Session
– Peer-to-Peer
– Web and Email Protocols
– IP Addressing Services
– File Sharing Services
– Examples & Exercises

Lesson 14 – Basic Device Configuration
– Introduction
– Configure a Switch with Initial Settings
– Configure Switch Ports
– Secure Remote Access
– Basic Router Configuration
– Verify Directly Connected Networks & Connectivity
– Host and IOS Commands
– Small Network Applications and Protocols
– Examples & Exercises

Lesson 15 – Switching Concepts
– Introduction
– Frame Forwarding
– Switching Domains
– Managed Switch Features
– Switch Stacking
– Port Aggregation
– Examples & Exercises

Lesson 16 – VLANs
– Introduction
– Overview of VLANs
– VLANs in a Multi-Switched Environment
– VLAN Configuration
– VLAN Trunks
– Dynamic Trunking Protocol
– Inter-VLAN Routing Operation
– Router-on-a-Stick Inter-VLAN Routing
– Inter-VLAN Routing using Layer 3 Switches
– Examples & Exercises

Lesson 17 – Spanning Tree Protocol & Port Grouping
– Introduction
– Purpose of STP
– STP Operations
– Evolution of STP
– Examples & Exercises

Lesson 18 – DHCPv4 and DHCPv6
– Introduction
– DHCPv4 Concepts
– Configure a Cisco IOS DHCPv4 Server
– Configure a DHCPv4 Client
– Examples & Exercises
– IPv6 GUA Assignment
– SLAAC
– DHCPv6
– Configure DHCPv6 Server
– Examples & Exercises

Lesson 19 – Access Control Lists (ACLs)
– Introduction
– Purpose of ACLs
– Wildcard Masks in ACLs
– Guidelines for ACL Creation
– Types of IPv4 ACLs
– Configure Standard ACLs
– Modify ACLs
– Secure VTY Ports ACLs
– Configure Extended ACLs
– Examples & Exercises

Lesson 20 – Network Address Translation (NAT)
– Introduction
– NAT Characteristics
– Types of NAT
– NAT Advantages and Disadvantages
– Static NAT
– Dynamic NAT
– PAT
– NAT64
– Examples & Exercises

Lesson 21 – Wireless LAN (WLAN) Concepts
– Introduction
– Introduction to Wireless
– WLAN Components
– WLAN Operation
– CAPWAP Operation
– Channel Management
– Remote Site WLAN Configuration
– Configure a Basic WLAN on the WLC
– Configure a WPA Enterprise WLAN on the WLC
– Examples & Exercises

Lesson 22 – Network Security Concepts
– Introduction
– Security Threats and Vulnerabilities
– Network Attacks
– Network Attack Mitigations
– Device Security
– Endpoint Security
– Access Control
– Layer Security Threats
– MAC Address Table Attack
– LAN Attacks
– WLAN Threats
– Examples & Exercises

Lesson 23 – LAN Security Configuration
– Introduction
– Implement Port Security
– Mitigate VLAN Attacks
– Mitigate DHCP Attacks
– Mitigate ARP Attacks
– Mitigate STP Attacks
– Secure WLANs
– Examples & Exercises

Lesson 24 – Routing Concepts
– Introduction
– Path Determination
– Packet Forwarding
– Basic Router Configuration Review
– IP Routing Table
– Static and Dynamic Routing
– Examples & Exercises

Lesson 25 – IP Static Routing
– Introduction
– Static Routes
– Configure IP Static Routes
– Configure IP Default Static Routes
– Configure Floating Static Routes
– Configure Static Host Routes
– Examples & Exercises

Lesson 26 – Dynamic Routing – OSPF
– Introduction
– OSPF Features and Characteristics
– OSPF Packets
– OSPF Operation
– OSPF Router ID
– Point-to-Point OSPF Networks
– Multiaccess OSPF Networks
– Modify Single-Area OSPFv2
– Default Route Propagation
– Verify Single-Area OSPFv2
– Examples & Exercises

Lesson 27 – Network Design & Management
– Introduction
– Hierarchical Networks
– Scalable Networks
– Switch Hardware
– Router Hardware
– Device Discovery with CDP
– Device Discovery with LLDP
– NTP
– SNMP
– Syslog
– Router and Switch File Maintenance
– Examples & Exercises

Lesson 28 – Network Troubleshooting
– Introduction
– Network Documentation
– Troubleshooting Process
– Troubleshooting Tools
– Symptoms and Causes of Network Problems
– Troubleshooting IP Connectivity
– Examples & Exercises