CCNA1 ITN Module 4 - Physical Layer

Date Subject Lesson Plan
10/21/25 CCNA1

Subnet Practice #8

Discussion: Module 4 - The Physical Layer

Link: Module 4 Reading Organizer

Video: Multiple Choice Taking Strategies and Tips (3:36)

*** THERE ARE A LOT OF THINGS TO MEMORIZE IN THIS MODULE. BE PREPARED!! ***

Start Module 4 - Physical Layer

Start: Module 4, Section 0 - Introduction

Activity: Module 4 Tour

Read: 4.0.1 Why should I take this module?

Read: 4.0.2 What will I learn to do in this module?

Start Module 4, Section 1 - Purpose of the Physical Layer

Read: 4.1.1 The Physical Connection

Read: 4.1.2 The Physical Layer

Activity: 4.1.3 Check Your Understanding - Purpose of the Physical Layer

Assignment: Module 4 Reading Organizer questions 1-2

  A+

Video: 3.1.2.1 - Configure BIOS - UEFI Settings

Read: 3.1.2.2 BIOS and UEFI Security

Read: 3.1.2.3 Update the Firmware

Activity: Check Your Understanding - BIOS and UEFI Configuration Terminology

Lab: 3.1.2.5 Search for BIOS or UEFI Firmware Updates

10/22/25  

Capture the Flag Competition

Students can access the game using the link below:

https://mctf.io/gcp-ctf

Get into assigned teams and solve as many security problems as you can.

Link: Online Tools

10/23/25 CCNA1

Redo Subnet Problem #8

Start Module 4, Section 2 - Physical Layer Characteristics

Read: 4.2.1 Physical Layer Standards

Read: 4.2.2 Physical Components

Read: 4.2.3 Encoding
Video: Analyzing actual Etherner encoding (9:15)

  • Physical Components
    • NICs, cables, ports, interfaces
  • Encoding (16:54)
  • Know what Manchester Encoding is.

Read: 4.2.4 Signaling

Read: 4.2.5 Bandwidth

Read: 4.2.6 Bandwdth Terminology

  • Latency is the amount of bandwidth lost through delays
  • Throughput is bandwidth minus latency
  • Goodput - useable data

Assignment: Network Baseline Testing Worksheet

Activity: Speed Test: Fast.com
Activity: Speed Test: Charter Communications
Activity: Speed Test: Comcast XFINITY
Activity: Speed Test: Frontier

Lab: Internet Speed Test

Activity: 4.2.7 Check Your Understanding - Physical Layer Characteristics

  • Bandwidth is measured in bits per second - bps
  • Limits depend on physical media & technology used: encoding/signaling method

Assignment: Module 4 Study Guide 3-10

  A+

Install Oracle VirtualBox on your local machine

Copy OS Windows 10 to your desktop

Lab: 3.1.2.6 Install Windows

Finish installing Windows 10 to your new virtual computer

Install as though it is your computer - you may have to create a Microsoft Account

Link to: Virtual PC Installation video

10/24/25 CCNA1

Last day of 1st grading period.

Activity: Subnet Class B Practice #1

Start Module 4, Section 3 - Copper Cabling

Read: 4.3.1 Characteristics of Copper Cabling

Read: 4.3.2 Types of Copper Cabling

  • Unshielded Twisted-Pair (UTP) - RJ45
  • Shielded Twisted -Pair (STP) - Shielded RJ45
  • Coaxial, Type 6 - F Connector

Read: 4.3.3 Unshielded twisted-pair (UTP)

Read: 4.3.4 Shielded twisted-pair (STP)

Video: Professor Messer: Copper Cabling (9:28)

Read: 4.3.5 Coaxial cable
Video: Making "F" type Crimp, Compression, and Twist-on Connectors for Coax Cable (14:38)

Activity: 4.3.6 Copper Cabling

Review Video: Professor Messer: Network Fundamentals (6:18)

Assignment: Module 4 Reading Organizer questions 11-25

  A+

Video: LearnKey: Domain 4: Client-Side Virtualization (7:22)
Assignment: LearnKey Worksheet: Purpose of Virtual Machines

Assignment: LearnKey Worksheet: Virtual Machine Requirements

10/27/25 CCNA1

Activity: Subnet Practice Class B #2

Read: 4.4.1 Properties of UTP Cabling

Read: 4.4.2 UTP Cabling Standards and Connectors

Video: Professor Messer: Troubleshooting Copper Cables (6:19)

  • Inexpensive & easy to install
  • Attenuation (limits distance)
  • EMI & RFI - shielding
  • Crosstalk - twisting wire
  • Proper installation and routing of cable

Video: Solid wire vs. stranded wire. (2:00)

Read: 4.4.3 Straight-through and Crossover UTP Cables
Video: Professor Messer: Wiring Standards (10:10)

  • Straight-through
  • Crossover
  • Rollover

Activity: 4.4.4 Activity - Cable Pinouts

Video: How to install an RJ45 connector on a CAT5 Ethernet network Patch Cable (7:38)

Lab: 4.2.2.7 Building an Ethernet Crossover Cable (Start)
Please let me inspect and test your cable (initial) before testing with the PCs.

Assignment: Module 4 Reading Organizer 26-31

  A+

None today

10/28/25 CCNA1

You won't do well here because you won't be aquiring the skills and knowledge needed if you are:

  • Not paying attention in class
  • Not reading the text in/out of school
  • Not studying/practicing/reviewing
  • Thinking that "showing-up" is good enough

Discussion: 100% Club

Review: Subnet Practice #2

Subnet Problem Class B Practice #3

Subnet Practice: Find the Magic Number/Network Address

Discussion: Solid vs. Stranded Ethernet Cable

Video: The Difference between solid and standard cable (2:00)

Video: How to Terminate and Crimp Cat5e (2:00)

  A+

None today

10/29/25 CCNA1

Optional Video: How Generative AI is Changing Entry-Level Cybersecurity Roles (1:13:38)

Lab: 4.2.2.7 Building an Ethernet Crossover Cable (Finish)

Start Module 4, Section 5 - Fiber-Optic Cabling

Read: 4.5.1 Properties of Fiber-Optic Cabling

Read: 4.5.2 Types of Fiber Media

  • Single Mode
    • Small core: 9 microns
    • Less dispersion
    • Long distance
    • Lasers
    • Backbone
    • Thousands of meters
  • Mutimode
    • Larger core: 50/62.5 microns
    • Greater dipersion
    • Shorter distance
    • LEDs
    • LANs
    • Hundreds of meters

Read: 4.5.3 Fiber-Optic Cabling Usage

Video: Submarine Cable (8:44)

Read: 4.5.4 Fiber-Optic Connectors
Video: Professor Messer: Network Connectors (6:10)

  • ST, SC, LC, Duplex LC
  • Yellow for single mode
  • Orange for multimode

Read: 4.5.5 Fiber Patch Cords

Read: 4.5.6 Fiber versus Copper

Activity: 4.5.7 Check Your Understanding - Fiber-Optic Cabling

Assignment: Module 4 Reading Organizer questions 32-40

  A+

Lab: 3.1.2.7 Install Third-Party Software in Windows - in virtual machine (15 minutes)

Read: 3.2.1.1 Wattage and Voltage
Video: Professor Messer: Computer Power (12:30)
Video: Techquickie: What's the Difference Between AC and DC? (5:25)

Read: 3.2.1.2 Power Supply Voltage Setting

Video: Ohm's Law Explained Simply (6:27)
Video: Ohm’s Law Tutorial with easy practice problems (15:50)

Lab: 3.2.1.3 Ohm’s Law

Video: LearnKey: Domain 3: Power Supplies (5:24)
Assignment: LearnKey Worksheet: Power Supply Installations

 

10/30/25 CCNA1

Video: Best Certification ROI (9:44)

Module 4 Test coming next Thursday. Know the information in the text. Memorize those items I mentioned that you must memorize. There will also be test review questions from past modules.

Start Module 4, Section 6 - Wireless Media
Video: Professor Messer: Wireless Network Technologies (10:46)

Read: 4.6.1 Properties of Wireless Media

Read: 4.6.2 Types of Wireless Media
Video: Professor Messer Wireless Standards (6:22)

Read: 4.6.3 Wireless LAN

Activity: 4.6.4 Check Your Understanding - Wireless Media

PT: 4.6.5 Connect a Wired and Wireless LAN (30 minutes)

Assignment: Module 4 Reading Organizer questions 41-45 (end)

Assignment: Study for Module 4 Test

  A+

Read: 3.2.2.1 Power Fluctuation Types

Read: 3.2.2.2 Power Protection Devices

Activity: 3.2.2.3 Check Your Understanding – Power Fluctuation Terms

Read: 3.3.1.1 CPU Architectures
Video: Professor Messer: CPU Features (10:01)

Read: 3.3.1.2 Enhancing CPU Operation

Read: 3.3.1.3 Multicore Processors

Read: 3.3.1.4 CPU Cooling Mechanisms
Video: Professor Messer: CPU Cooling (6:48)

Activity: 3.3.1.5 CPU Architectures and Operation

Activity: 3.3.2.1 What Do You Already Know? - RAID
Assignment: RAID Cheat Sheet take notes.

  • Striping
  • Mirroring
  • Parity
  • Double Parity

Read: RAID Concepts

10/31/25 CCNA1

Halloween Contest

Module 4 Test next Thursday. Know the information in the text. Memorize those items I mentioned you must memorize. There will also be review questions from past modules.

Subnet Practice: Class B #3 Review

Subnet Practice Class B #4

Video Class Vote Link: https://docs.google.com/forms/d/e/1FAIpQLSc3T_-C7DfEpu37J9qCdDeUH0x0-4ww7zvhIE04jDmzcDbAjQ/viewform

Lab: 4.6.6 View Wired and Wireless NIC Information (30 minutes)

Video: What is a Proxy Server? (4:42)
Video: How to Setup a Proxy on Windows 10 (4:30)

Assignment: Study for Module 4 Test

  A+

Video: Professor Messer: RAID Concepts (7:20)

Read: RAID Levels
Video: What is RAID (9:56)

Activity: 3.3.2.4 Check Your Understanding – RAID Levels

Video: LearnKey Domain 3.4 x64/x86
Assignment: LearnKey Worksheet: CPU Architecture

11/03/25 CCNA1
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Murowsky

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Melnyk

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Ibekwe

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Domkiv

00206817

Genovese

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Pagan

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Hankerson

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Johnson

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Lanza

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Cardillo

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Woods

00206806

Schad

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Grewal

00206800

Allen

BPA Sign-ups: https://forms.gle/XYGF48zP5FDgEKbD9

Subnet Practice Class B #4

Discussion: 8th & 10th Grade Visits

Module 4 Test on Friday. Know the information in the text. Memorize those items I mentioned you must memorize. There will also be review test questions from past modules.

Video: Ethernet Cables, UTP vs STP, Straight vs Crossover, CAT 5,5e,6,7,8 Network Cables (7:06)

Start Module 4, Section 7 - Module Practice and Quiz

Video: Professor Messer: NAT (7:01)

PT: 4.7.1 Physical Layer Exploration
((Walk thru w/students Part 1 through Part 2 b. 40 min.) about 60 min total)
Video: (Goes with lab) 8-bit Guy: Tour of Home Network 2020 (13:31)

Activity: Visual Traceroute Installation:

  A+

None today

11/04/25 CCNA1

No school - Election Day

  A+

 

11/05/25   Field Trip
11/06/25 CCNA1

Activity: Subnet Practice Class B #5

PT: 4.7.1 Physical Layer Exploration (Finish)

LearnKey: Network+: Cables and Connectors Review
Assignment: Worksheet: Network Cables

Video: What is SFP Transceiver and How Does It Work (2:57)

PT: 4.7.2 Connect the Physical Layer (30 minutes)

Read: 4.7.2 What did I learn in this module?

Review Quiz: Physical Layer. Use this to assess your depth of understanding before tomorrow's test.

Assignment: Study for Module 4 Test Tomorrow. Read the entire chapter 4.

  A+

Review: Video & USB Ports

Link: USB Ports

Read: 3.3.3.1 Legacy Ports

Read: 3.3.3.2 Video and Graphic Ports
Video: HDMI, DisplayPort, DVI, VGA, Thunderbolt - Video Port Comparison (7:35)

Read: 3.3.3.4 SATA Cables and Connectors

Read: 3.3.3.5 Twisted Pair Cables and Connectors

Read: 3.3.3.6 Coax Cables and Connectors

Read: 3.3.3.7 SCSI and IDE Cables and Connectors
Video: Professor Messer: SCSI Drive Cables (6:30)

Activity: 3.3.3.8 Check Your Understanding - Identify the External Connectors

11/07/25 CCNA1
Section 2

Lab: Mapping the Internet (60 minutes)

Install Visual Traceroute using this link

Assignment: Study for Module 4 Test

Review: Class B Subnet Problem

Review Video: Jason Johnson CCNA1, Module 4 (29:44)
Test: Module 4 (and some review from past modules)

Start Chapter 5 - Number Systems

  A+

Read: 3.3.3.3 USB Cables and Connectors
LearnKey: Domain 3, USB, Serial, Thunderbolt
Assignment: LearnKey pg, 47

Read: 3.3.4.1 Monitor Characteristics

Read: 3.3.4.2 Monitor Terms
Video: Monitor/Screen/Display Specs Explained ft. Display Resolution, Aspect Ratio (7:40)

Read: 3.3.4.3 Display Standards

Read: 3.3.4.4 Using Multiple Monitors
Video: Triple Monitor Setup Guide (6:43)

Activity: 3.3.4.5 Check Your Understanding - Monitor Terminology

Read: 3.4.1.1 Motherboard Upgrade
Video: How to Install / Swap your PC Motherboard STEP BY STEP (11:47)

Read: 3.4.1.2 Steps to Upgrade a Motherboard

Read: 3.4.1.3 CPU Upgrade

Read: 3.4.1.4 Storage Device Upgrade

Read: 3.4.1.5 Peripheral Upgrades

Read: 3.4.1.6 Power Supply Upgrade
Video: How to upgrade your PC's PSU | Hardware (6:45)

Link: Seasonic.com

Lab: 3.4.1.7 Research a Hardware Upgrade

Read: 3.5.1.1 Safe Disposal Methods
Video: Toxic Waste Handling (6:19)

Read: 3.5.1.2 Safety Data Sheets
Video: Safety Data Sheets (SDS) (19:33)

Activity: 3.5.1.3 Check Your Understanding - Safe Disposal

Read: 3.6.1.1 Chapter 3 Review

Study: Chapter 3 Test

Study: Prepare for Chapter 3 Test - Study Guide

Install Java using this link