CCNA Part 1: Introduction to Networks

This is the first course in the series for the CCNA Certification by CISCO NETWORKING ACADEMY. From understanding network architectures and protocols to mastering IP addressing and Ethernet fundamentals, participants will develop foundational knowledge and build your networking basics. This course also includes interactive labs and real-world scenarios to help participants gain practical experience in building local area networks (LANs), implementing network security measures, and configuring routers and switches.

42 hours
42
Greek
6 - 16

code:CISCO.CCNA1_NEW

  • Objectives

    By the end of this course, participants will be able to:

    • Explain fundamental network architectures, protocols, and models (OSI, TCP/IP).
    • Describe the components and types of networks, including LANs, WANs, and wireless networks.
    • Understand the principles of IP addressing (IPv4 and IPv6), subnetting, and address resolution.
    • Identify the characteristics and functions of the physical, data link, network, transport, and application layers.
    • Recognize common network security threats, vulnerabilities, and mitigation strategies.
    • Understand the basics of network devices (switches, routers, end devices) and their configurations.
    • Describe the purpose and operation of protocols such as Ethernet, ARP, ICMP, TCP, UDP, and application layer protocols (web, email, file sharing).
    • Understand number systems relevant to networking (binary, hexadecimal).
    • Configure basic settings on switches and routers using Cisco IOS.
    • Implement and verify IP addressing and connectivity in a small network.
    • Use command-line interface (CLI) commands to navigate, configure, and troubleshoot network devices.
    • Build and secure small networks, including configuring device security and mitigating common attacks.
    • Perform subnetting for IPv4 and IPv6 networks to meet specific requirements.
    • Use tools like ping and traceroute to test and troubleshoot network connectivity.
    • Analyze and interpret network diagrams, topologies, and device roles.
    • Apply troubleshooting methodologies to resolve network issues in real-world scenarios.
    • An appreciation for the importance of reliable, secure, and scalable network design.
    • A proactive approach to network security and risk mitigation.
    • Confidence in using technical documentation and standards to guide network configuration and troubleshooting.
    • A collaborative mindset for working in teams and communicating technical information effectively.
    • Professionalism and ethical responsibility as IT professionals in handling network resources and data.

  • Topics

    Module 1: Networking Today

    1.0. Introduction

    1.1. Networks Affect our Lives

    1.2. Network Components

    1.3. Network Representations and Topologies

    1.4. Common Types of Networks

    1.5. Internet Connections

    1.6. Reliable Networks

    1.7. Network Trends

    1.8. Network Security

    1.9. The IT Professional

    1.10. Module Practice and Quiz

    Module 2: Basic Switch and End Device Configuration

    2.0. Introduction

    2.1. Cisco IOS Access

    2.2. IOS Navigation

    2.3. The Command Structure

    2.4. Basic Device Configuration

    2.5. Save Configurations

    2.6. Ports and Addresses

    2.7. Configure IP Addressing

    2.8. Verify Connectivity

    2.9. Module Practice and Quiz

    Module 3: Protocols and Models

    3.0. Introduction

    3.1. The Rules

    3.2. Protocols

    3.3. Protocol Suites

    3.4. Standards Organizations

    3.5. Reference Models

    3.6. Data Encapsulation

    3.7. Data Access

    3.8. Module Practice and Quiz

    • Checkpoint Exam: Basic Network Connectivity and Communications Exam

    • Checkpoint Exam

    Module 4: Physical Layer

    4.0. Introduction

    4.1. Purpose of the Physical Layer

    4.2. Physical Layer Characteristics

    4.3. Copper Cabling

    4.4. UTP Cabling

    4.5. Fiber-Optic Cabling

    4.6. Wireless Media

    4.7. Module Practice and Quiz

    Module 5: Number Systems

    5.0. Introduction

    5.1. Binary Number System

    5.2. Hexadecimal Number System

    5.3. Module Practice and Quiz

    Module 6: Data Link Layer

    6.0. Introduction

    6.1. Purpose of the Data Link Layer

    6.2. Topologies

    6.3. Data Link Frame

    6.4. Module Practice and Quiz

    Module 7: Ethernet Switching

    7.0. Introduction

    7.1. Ethernet Frames

    7.2. Ethernet MAC Address

    7.3. The MAC Address Table

    7.4. Switch Speeds and Forwarding Methods

    7.5. Module Practice and Quiz

    • Checkpoint Exam: Ethernet Concepts Exam

    • Checkpoint Exam

    Module 8: Network Layer

    8.0. Introduction

    8.1. Network Layer Characteristics

    8.2. IPv4 Packet 8.3. IPv6 Packet

    8.4. How a Host Routes

    8.5. Introduction to Routing

    8.6. Module Practice and Quiz

    Module 9: Address Resolution

    9.0. Introduction

    9.1. MAC and IP

    9.2. ARP

    9.3. IPv6 Neighbor Discovery

    9.4. Module Practice and Quiz

    Module 10: Basic Router Configuration

    10.0. Introduction

    10.1. Configure Initial Router Settings

    10.2. Configure Interfaces

    10.3. Configure the Default Gateway

    10.4. Module Practice and Quiz

    • Checkpoint Exam: Communicating Between Networks Exam

    • Checkpoint Exam

    Module 11: IPv4 Addressing

    11.0. Introduction

    11.1. IPv4 Address Structure

    11.2. IPv4 Unicast, Broadcast, and Multicast

    11.3. Types of IPv4 Addresses

    11.4. Network Segmentation

    11.5. Subnet an IPv4 Network

    11.6. Subnet a Slash 16 and a Slash 8 Prefix

    11.7. Subnet to Meet Requirements

    11.8. VLSM

    11.9. Structured Design

    11.10. Module Practice and Quiz

    Module 12: IPv6 Addressing

    12.0. Introduction

    12.1. IPv4 Issues

    12.2. IPv6 Address Representation

    12.3. IPv6 Address Types

    12.4. GUA and LLA Static Configuration

    12.5. Dynamic Addressing for IPv6 GUAs

    12.6. Dynamic Addressing for IPv6 LLAs

    12.7. IPv6 Multicast Addresses

    12.8. Subnet an IPv6 Network

    12.9. Module Practice and Quiz

    Module 13: ICMP

    13.0. Introduction

    13.1. ICMP Messages

    13.2. Ping and Traceroute Tests

    13.3. Module Practice and Quiz

    • Checkpoint Exam: IP Addressing Exam

    • Checkpoint Exam

    Module 14: Transport Layer

    14.0. Introduction

    14.1. Transportation of Data

    14.2. TCP Overview

    14.3. UDP Overview

    14.4. Port Numbers

    14.5. TCP Communication Process

    14.6. Reliability and Flow Control

    14.7. UDP Communication

    14.8. Module Practice and Quiz

    Module 15: Application Layer

    15.0. Introduction

    15.1. Application, Presentation, and Session

    15.2. Peer-to-Peer

    15.3. Web and Email Protocols

    15.4. IP Addressing Services

    15.5. File Sharing Services

    15.6. Module Practice and Quiz

    • Checkpoint Exam: Network Application Communications Exam

    •Checkpoint Exam

    Module 16: Network Security Fundamentals

    16.0. Introduction

    16.1. Security Threats and Vulnerabilities

    16.1.1 Types of Threats

    16.1.2 Types of Vulnerabilities

    16.1.3 Physical Security

    16.1.4 Check Your Understanding - Security Threats and Vulnerabilities

    16.2. Network Attacks

    16.3. Network Attack Mitigations

    16.4. Device Security

    16.5. Module Practice and Quiz

    Module 17: Build a Small Network

    17.0. Introduction

    17.1. Devices in a Small Network

    17.2. Small Network Applications and Protocols

    17.3. Scale to Larger Networks

    17.4. Verify Connectivity

    17.5. Host and IOS Commands

    17.6. Troubleshooting Methodologies

    17.7. Troubleshooting Scenarios

    17.8. Module Practice and Quiz

    • Checkpoint Exam: Building and Securing a Small Network Exam

    o Checkpoint Exam

    • CCNA: Introduction to Networks Practice Final Exam

    o Practice Final Exam

    o ITN Practice PT Skills Assessment (PTSA)

    • CCNA: Introduction to Networks Course Final Exam

    o Course Final Exam

     

  • Participants

    • Network technicians
    • Network engineers
    • Network administrators
    • Network help-desk staff.